Company lists · Data refreshed September 2026
Top 25 Tax compliance outsourcing companies worldwide
RevenueBase identified 7,282 company matches for tax compliance outsourcing companies worldwide as of September 2026 and tracks 107,976 professional contacts across them, including 17,347 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for tax compliance outsourcing companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for tax compliance outsourcing companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest tax compliance outsourcing companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 59,451 contacts → | ||||
Exact match “H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 6,089 contacts → | ||||
Exact match “Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 628 contacts → | ||||
Exact match “KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 562 contacts → | ||||
Exact match “KPMG Global Services Hungary (KGSH) provides centralised tax compliance services to multinational companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 412 contacts → | ||||
Exact match “As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 364 contacts → | ||||
Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 347 contacts → | ||||
Exact match “Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 269 contacts → | ||||
Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 240 contacts → | ||||
Exact match “Welcome to TaxBuddy, your one-stop solution for all your tax preparation and filing needs- happy users across 2600 towns in India - 4.9 star Google rating from customers - Led by…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 206 contacts → | ||||
Exact match “Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 177 contacts → | ||||
Exact match “Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 168 contacts → | ||||
Exact match “Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 136 contacts → | ||||
Exact match “Taxwell is a leading digital tax filing platform formed in 2022 from the combination of Drake Software® and TaxAct®.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 115 contacts → | ||||
Exact match “Expat US Tax helps US citizens and Green Card holders living and working abroad, with a focus on Australia, the UK and the Middle East.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 104 contacts → | ||||
Exact match “Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 100 contacts → | ||||
Exact match “At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 98 contacts → | ||||
Exact match “We add value to CFO’s and Accounts Team by solving following problems and more through our value added services: Subjectivity (or favoritism) in transaction processing Delay in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 95 contacts → | ||||
Exact match “A Avalara ajuda empresas de todos os tamanhos a ficarem em dia com seus impostos e obrigações fiscais exigidos pelo Fisco nos níveis Federal, Estadual e Municipal.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 93 contacts → | ||||
Exact match “A SETECO Consultoria Contábil transforma conhecimento e experiência acumulados ao longo de mais de 50 anos em valor para o cliente.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 93 contacts → | ||||
Exact match “DgTx - Empowering Digital Taxation DgTx, the pioneering collaboration between Etisalat and DgTx, is revolutionizing the landscape of Digital Taxation in the United Arab Emirates.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 92 contacts → | ||||
Exact match “Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 88 contacts → | ||||
Exact match “Shoonya Tax is a consulting firm registered in US and India providing services like Tax return filing for Individual and Corporates, book keeping and payroll services for both US…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 85 contacts → | ||||
Exact match “Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 84 contacts → | ||||
Exact match “A PERSON personaliza seus serviços superando as ofertas do mercado e estabelecendo relações de cumplicidade e união efetiva com seus clientes, tratando cada um deles de modo…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 78 contacts → | ||||
Exact match “Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “tax compliance outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 7,282 tax compliance outsourcing companies worldwide
See the full list, filter by size, metro and specialty, and access 17,347 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Tax compliance outsourcing companies worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for tax compliance outsourcing companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tax compliance outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 17,347 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Tax compliance outsourcing companies by location
27 lists · largest firstEvery Tax compliance outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax compliance outsourcing companies based in the United States2,942
- Tax compliance outsourcing companies based in Germany872
- Tax compliance outsourcing companies based in India729
- Tax compliance outsourcing companies based in Canada245
- Tax compliance outsourcing companies based in Brazil188
- Tax compliance outsourcing companies based in the United Kingdom182
- Tax compliance outsourcing companies based in Australia167
- Tax compliance outsourcing companies based in the Netherlands129
- Tax compliance outsourcing companies based in Indonesia78
- Tax compliance outsourcing companies based in South Africa68
- Tax compliance outsourcing companies based in Austria59
- Tax compliance outsourcing companies based in Poland43
Cities
- Tax compliance outsourcing companies based in Houston, United States76
- Tax compliance outsourcing companies based in New York, United States72
- Tax compliance outsourcing companies based in Berlin, Germany64
- Tax compliance outsourcing companies based in London, United Kingdom62
- Tax compliance outsourcing companies based in New Delhi, India61
- Tax compliance outsourcing companies based in Miami, United States43
- Tax compliance outsourcing companies based in Mumbai, India43
- Tax compliance outsourcing companies based in Chicago, United States38
- Tax compliance outsourcing companies based in Dallas, United States33
- Tax compliance outsourcing companies based in Hamburg, Germany31
- Tax compliance outsourcing companies based in Atlanta, United States29
- Tax compliance outsourcing companies based in Los Angeles, United States29
- Tax compliance outsourcing companies based in Austin, United States28
- Tax compliance outsourcing companies based in San Diego, United States28
- Tax compliance outsourcing companies based in Toronto, Canada28
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax compliance outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax compliance outsourcing companies are there worldwide?
RevenueBase identified 7,282 company matches for tax compliance outsourcing companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
H&r Block tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tax compliance outsourcing companies?
The United States leads with 2,942 companies, followed by Germany (872) and India (729). Every tax compliance outsourcing companies list by country and city is linked on this page.
Which city has the most tax compliance outsourcing companies?
Houston leads with 76 company records, followed by New York (73) and London (66).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 17,347 professional contacts with verified work emails tracked across these 7,282 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 7,282 tax compliance outsourcing companies worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 tax compliance outsourcing companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 7,282 matching company records for tax compliance outsourcing companies worldwide, with 107,976 tracked contacts and 17,347 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax compliance outsourcing companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  H&r Blockhrblock.comHQ: Kansas City, MO, United StatesReported employees: 10001+ | Kansas City, MO, United States | 10001+ | Exact match | 59,451 contacts → |
“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  RYANryan.comHQ: Dallas, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 6,089 contacts → |
“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  KMKkmkventures.comHQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 628 contacts → |
“KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kpmg Global Services Hungarykpmgglobalservices.teamtailor.com HQ: Budapest, HungaryReported employees: 501-1,000 | Budapest, Hungary | 501-1,000 | Exact match | 562 contacts → |
“KPMG Global Services Hungary (KGSH) provides centralised tax compliance services to multinational companies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  H&r Block Australiahrblock.com.auHQ: Thornleigh, AustraliaReported employees: 501-1,000 | Thornleigh, Australia | 501-1,000 | Exact match | 412 contacts → |
“As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cohesivecohesivesolutions.comHQ: Exton, PA, United StatesReported employees: 501-1,000 | Exton, PA, United States | 501-1,000 | Exact match | 364 contacts → |
“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Advantage ONE TAX Consultingaotax.comHQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 347 contacts → |
“Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Mayataxmayatax.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 269 contacts → |
“Growth exposes financial weakness.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | taxbuddy.comtaxbuddy.com HQ: Mumbai, IndiaReported employees: Not recorded | Mumbai, India | Not recorded | Exact match | 240 contacts → |
“Welcome to TaxBuddy, your one-stop solution for all your tax preparation and filing needs- happy users across 2600 towns in India - 4.9 star Google rating from customers - Led by…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Zenwork, INCzenwork.comHQ: Fayetteville, AR, United StatesReported employees: 51-200 | Fayetteville, AR, United States | 51-200 | Exact match | 206 contacts → |
“Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 177 contacts → |
“Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Infinity Globus, A Springline Companyinfinity-globus.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 168 contacts → |
“Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Taxwelltaxwell.comHQ: Franklin, NC, United StatesReported employees: 1,001-5,000 | Franklin, NC, United States | 1,001-5,000 | Exact match | 136 contacts → |
“Taxwell is a leading digital tax filing platform formed in 2022 from the combination of Drake Software® and TaxAct®.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Expat US TAXexpatustax.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 115 contacts → |
“Expat US Tax helps US citizens and Green Card holders living and working abroad, with a focus on Australia, the UK and the Middle East.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Debitamdebitam.comHQ: 42-44 Bishopsgate, United KingdomReported employees: 51-200 | 42-44 Bishopsgate, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mytaxfilermytaxfiler.comHQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 100 contacts → |
“At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Blue Consulting P LTDblueconsulting.co.inHQ: Noida, IndiaReported employees: 51-200 | Noida, India | 51-200 | Exact match | 98 contacts → |
“We add value to CFO’s and Accounts Team by solving following problems and more through our value added services: Subjectivity (or favoritism) in transaction processing Delay in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Avalara Brasilavalara.comHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 95 contacts → |
“A Avalara ajuda empresas de todos os tamanhos a ficarem em dia com seus impostos e obrigações fiscais exigidos pelo Fisco nos níveis Federal, Estadual e Municipal.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Seteco Serviços Técnicos Contabeisseteco.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 93 contacts → |
“A SETECO Consultoria Contábil transforma conhecimento e experiência acumulados ao longo de mais de 50 anos em valor para o cliente.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | DGTXdgtx.ae HQ: Dubai, United Arab EmiratesReported employees: 51-200 | Dubai, United Arab Emirates | 51-200 | Exact match | 93 contacts → |
“DgTx - Empowering Digital Taxation DgTx, the pioneering collaboration between Etisalat and DgTx, is revolutionizing the landscape of Digital Taxation in the United Arab Emirates.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ventura Pranasventurapranas.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 92 contacts → |
“Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Shoonya TAX Solutionsshoonyatax.com HQ: Lewes, DE, United KingdomReported employees: 51-200 | Lewes, DE, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Shoonya Tax is a consulting firm registered in US and India providing services like Tax return filing for Individual and Corporates, book keeping and payroll services for both US…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Crescent TAX Filing, INCcrescenttaxfiling.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 85 contacts → |
“Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Person Serviços Contábeispersonconsultoria.com.brHQ: Santo André, BrazilReported employees: 11-50 | Santo André, Brazil | 11-50 | Exact match | 84 contacts → |
“A PERSON personaliza seus serviços superando as ofertas do mercado e estabelecendo relações de cumplicidade e união efetiva com seus clientes, tratando cada um deles de modo…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  R&g Brenner TAX Accountingrgbrenner.comHQ: Valley Stream, NY, United StatesReported employees: 51-200 | Valley Stream, NY, United States | 51-200 | Exact match | 78 contacts → |
“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,282 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Tax compliance outsourcing companies: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,155 records in the displayed employee bands.
127 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 7,282 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tax compliance outsourcing companies by location
27 lists · largest firstEvery Tax compliance outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax compliance outsourcing companies based in the United States2,942
- Tax compliance outsourcing companies based in Germany872
- Tax compliance outsourcing companies based in India729
- Tax compliance outsourcing companies based in Canada245
- Tax compliance outsourcing companies based in Brazil188
- Tax compliance outsourcing companies based in the United Kingdom182
- Tax compliance outsourcing companies based in Australia167
- Tax compliance outsourcing companies based in the Netherlands129
- Tax compliance outsourcing companies based in Indonesia78
- Tax compliance outsourcing companies based in South Africa68
- Tax compliance outsourcing companies based in Austria59
- Tax compliance outsourcing companies based in Poland43
Cities
- Tax compliance outsourcing companies based in Houston, United States76
- Tax compliance outsourcing companies based in New York, United States72
- Tax compliance outsourcing companies based in Berlin, Germany64
- Tax compliance outsourcing companies based in London, United Kingdom62
- Tax compliance outsourcing companies based in New Delhi, India61
- Tax compliance outsourcing companies based in Miami, United States43
- Tax compliance outsourcing companies based in Mumbai, India43
- Tax compliance outsourcing companies based in Chicago, United States38
- Tax compliance outsourcing companies based in Dallas, United States33
- Tax compliance outsourcing companies based in Hamburg, Germany31
- Tax compliance outsourcing companies based in Atlanta, United States29
- Tax compliance outsourcing companies based in Los Angeles, United States29
- Tax compliance outsourcing companies based in Austin, United States28
- Tax compliance outsourcing companies based in San Diego, United States28
- Tax compliance outsourcing companies based in Toronto, Canada28
Questions about this company list
What does Exact match mean for tax compliance outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax compliance outsourcing companies did RevenueBase find worldwide?
The saved snapshot records 7,282 matching company records, 107,976 tracked contacts and 17,347 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 tax compliance outsourcing companies worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/tax-compliance-outsourcing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 tax compliance outsourcing companies worldwide
RevenueBase records 7,282 matching company records for tax compliance outsourcing companies worldwide, with 107,976 tracked contacts and 17,347 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax compliance outsourcing companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | H&r Blockhrblock.com HQ: Kansas City, MO, United StatesReported employees: 10001+ | Kansas City, MO, United States | 10001+ | Exact match | 59,451 contacts → |
“H&R Block’s purpose is simple: To provide help and inspire confidence in our clients and communities everywhere.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RYANryan.com HQ: Dallas, TX, United StatesReported employees: 5,001-10,000 | Dallas, TX, United States | 5,001-10,000 | Exact match | 6,089 contacts → |
“Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | KMKkmkventures.com HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 628 contacts → |
“KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kpmg Global Services Hungarykpmgglobalservices.teamtailor.com HQ: Budapest, HungaryReported employees: 501-1,000 | Budapest, Hungary | 501-1,000 | Exact match | 562 contacts → |
“KPMG Global Services Hungary (KGSH) provides centralised tax compliance services to multinational companies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | H&r Block Australiahrblock.com.au HQ: Thornleigh, AustraliaReported employees: 501-1,000 | Thornleigh, Australia | 501-1,000 | Exact match | 412 contacts → |
“As Australia’s largest preparer of personal income tax returns, with over 400 offices across Australia, expert help is never far away.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cohesivecohesivesolutions.com HQ: Exton, PA, United StatesReported employees: 501-1,000 | Exton, PA, United States | 501-1,000 | Exact match | 364 contacts → |
“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Advantage ONE TAX Consultingaotax.com HQ: Sterling, VA, United StatesReported employees: 201-500 | Sterling, VA, United States | 201-500 | Exact match | 347 contacts → |
“Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Mayataxmayatax.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 269 contacts → |
“Growth exposes financial weakness.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | taxbuddy.comtaxbuddy.com HQ: Mumbai, IndiaReported employees: Not recorded | Mumbai, India | Not recorded | Exact match | 240 contacts → |
“Welcome to TaxBuddy, your one-stop solution for all your tax preparation and filing needs- happy users across 2600 towns in India - 4.9 star Google rating from customers - Led by…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Zenwork, INCzenwork.com HQ: Fayetteville, AR, United StatesReported employees: 51-200 | Fayetteville, AR, United States | 51-200 | Exact match | 206 contacts → |
“Zenwork, through its Tax1099 and Compliancely brands, is a fast-growing digital tax compliance and regulatory reporting technology company, with 10+ years of experience powering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 177 contacts → |
“Thoughtfully structuring and managing your tax affairs is more important than ever.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Infinity Globus, A Springline Companyinfinity-globus.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 168 contacts → |
“Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Taxwelltaxwell.com HQ: Franklin, NC, United StatesReported employees: 1,001-5,000 | Franklin, NC, United States | 1,001-5,000 | Exact match | 136 contacts → |
“Taxwell is a leading digital tax filing platform formed in 2022 from the combination of Drake Software® and TaxAct®.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Expat US TAXexpatustax.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 115 contacts → |
“Expat US Tax helps US citizens and Green Card holders living and working abroad, with a focus on Australia, the UK and the Middle East.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Debitamdebitam.com HQ: 42-44 Bishopsgate, United KingdomReported employees: 51-200 | 42-44 Bishopsgate, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mytaxfilermytaxfiler.com HQ: Plano, TX, United StatesReported employees: 51-200 | Plano, TX, United States | 51-200 | Exact match | 100 contacts → |
“At MyTaxFiler, we offer more than just tax preparation-we provide peace of mind.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Blue Consulting P LTDblueconsulting.co.in HQ: Noida, IndiaReported employees: 51-200 | Noida, India | 51-200 | Exact match | 98 contacts → |
“We add value to CFO’s and Accounts Team by solving following problems and more through our value added services: Subjectivity (or favoritism) in transaction processing Delay in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Avalara Brasilavalara.com HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 95 contacts → |
“A Avalara ajuda empresas de todos os tamanhos a ficarem em dia com seus impostos e obrigações fiscais exigidos pelo Fisco nos níveis Federal, Estadual e Municipal.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Seteco Serviços Técnicos Contabeisseteco.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 93 contacts → |
“A SETECO Consultoria Contábil transforma conhecimento e experiência acumulados ao longo de mais de 50 anos em valor para o cliente.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | DGTXdgtx.ae HQ: Dubai, United Arab EmiratesReported employees: 51-200 | Dubai, United Arab Emirates | 51-200 | Exact match | 93 contacts → |
“DgTx - Empowering Digital Taxation DgTx, the pioneering collaboration between Etisalat and DgTx, is revolutionizing the landscape of Digital Taxation in the United Arab Emirates.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ventura Pranasventurapranas.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 92 contacts → |
“Ventura Pranas is a cross-border advisory firm providing specialised solutions to individuals and companies across the US, India, and Singapore.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Shoonya TAX Solutionsshoonyatax.com HQ: Lewes, DE, United KingdomReported employees: 51-200 | Lewes, DE, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Shoonya Tax is a consulting firm registered in US and India providing services like Tax return filing for Individual and Corporates, book keeping and payroll services for both US…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Crescent TAX Filing, INCcrescenttaxfiling.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 85 contacts → |
“Crescent Tax Filing, Inc- Your Trusted Partner in US #Tax Services for Over 7 Years Welcome to Crescent Tax Filing, Inc, your go-to destination for comprehensive US Tax…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Person Serviços Contábeispersonconsultoria.com.br HQ: Santo André, BrazilReported employees: 11-50 | Santo André, Brazil | 11-50 | Exact match | 84 contacts → |
“A PERSON personaliza seus serviços superando as ofertas do mercado e estabelecendo relações de cumplicidade e união efetiva com seus clientes, tratando cada um deles de modo…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | R&g Brenner TAX Accountingrgbrenner.com HQ: Valley Stream, NY, United StatesReported employees: 51-200 | Valley Stream, NY, United States | 51-200 | Exact match | 78 contacts → |
“Tax Consulting Services Individual Tax Return Preparation * Electronic Filing * Refund Anticipation Loans * Same Day Refund Anticipation Loans * Refund Anticipation Checks * State…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,282 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Tax compliance outsourcing companies: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,155 records in the displayed employee bands.
127 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 7,282 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tax compliance outsourcing companies by location
27 lists · largest firstEvery Tax compliance outsourcing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tax compliance outsourcing companies based in the United States2,942
- Tax compliance outsourcing companies based in Germany872
- Tax compliance outsourcing companies based in India729
- Tax compliance outsourcing companies based in Canada245
- Tax compliance outsourcing companies based in Brazil188
- Tax compliance outsourcing companies based in the United Kingdom182
- Tax compliance outsourcing companies based in Australia167
- Tax compliance outsourcing companies based in the Netherlands129
- Tax compliance outsourcing companies based in Indonesia78
- Tax compliance outsourcing companies based in South Africa68
- Tax compliance outsourcing companies based in Austria59
- Tax compliance outsourcing companies based in Poland43
Cities
- Tax compliance outsourcing companies based in Houston, United States76
- Tax compliance outsourcing companies based in New York, United States72
- Tax compliance outsourcing companies based in Berlin, Germany64
- Tax compliance outsourcing companies based in London, United Kingdom62
- Tax compliance outsourcing companies based in New Delhi, India61
- Tax compliance outsourcing companies based in Miami, United States43
- Tax compliance outsourcing companies based in Mumbai, India43
- Tax compliance outsourcing companies based in Chicago, United States38
- Tax compliance outsourcing companies based in Dallas, United States33
- Tax compliance outsourcing companies based in Hamburg, Germany31
- Tax compliance outsourcing companies based in Atlanta, United States29
- Tax compliance outsourcing companies based in Los Angeles, United States29
- Tax compliance outsourcing companies based in Austin, United States28
- Tax compliance outsourcing companies based in San Diego, United States28
- Tax compliance outsourcing companies based in Toronto, Canada28
Questions about this company list
What does Exact match mean for tax compliance outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax compliance outsourcing companies did RevenueBase find worldwide?
The saved snapshot records 7,282 matching company records, 107,976 tracked contacts and 17,347 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 tax compliance outsourcing companies worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/tax-compliance-outsourcing-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗