Company lists · Data refreshed September 2026
Top 25 Tax compliance outsourcing firms based in the United States
RevenueBase identified 3,515 company matches for tax compliance outsourcing firms associated with the United States as of September 2026 and tracks 89,736 professional contacts across them, including 15,079 with verified work emails. New York is the largest hub.
This list covers company matches for tax compliance outsourcing firms associated with the United States, 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.
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 firms based in the United States
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 | 399 contacts → | ||||
Exact match “Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 320 contacts → | ||||
Exact match “Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 269 contacts → | ||||
Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 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 | |||||
| 13 | 77 contacts → | ||||
Exact match “Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 74 contacts → | ||||
Exact match “Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 70 contacts → | ||||
Exact match “Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 64 contacts → | ||||
Exact match “As the area’s largest full-service CPA firm, we are uniquely qualified to handle the most challenging tax issues as well as prepare simple returns in a cost-effective manner.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 59 contacts → | ||||
Exact match “Welcome to Intellgus, the firm that’s reshaping the landscape of offshore staffing solutions for CPAs, accounting firms, and tax professionals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 55 contacts → | ||||
Exact match “Anybill is the leading provider of tax payment services, focusing exclusively on automating tax payments for our clients and partners.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 54 contacts → | ||||
Exact match “Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 54 contacts → | ||||
Exact match “LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 50 contacts → | ||||
Exact match “Greenback makes life better for Americans living abroad and aims to take away the anxiety and hassle of helping US expats become and stay compliant with their US taxes while…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 48 contacts → | ||||
Exact match “At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 45 contacts → | ||||
Exact match “Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 45 contacts → | ||||
Exact match “Clarus Partners, a Richey May company, provides specialized indirect tax compliance and advisory services to businesses across a wide range of industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 42 contacts → | ||||
Exact match “RightTaxMate is trusted partner for individual and businesses seeking expert financial guidance and support.” 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 firms”. 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 3,515 tax compliance outsourcing firms based in the United States
See the full list, filter by size, metro and specialty, and access 15,079 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tax compliance outsourcing firms based in the United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,515 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “tax compliance outsourcing firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 15,079 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 firms by metro
- Tax compliance outsourcing firms in New York96
- Tax compliance outsourcing firms in Houston90
- Tax compliance outsourcing firms in Miami52
- Tax compliance outsourcing firms in Chicago43
- Tax compliance outsourcing firms in Dallas40
- Tax compliance outsourcing firms in San Diego36
- Tax compliance outsourcing firms in Los Angeles34
- Tax compliance outsourcing firms in Austin30
- Tax compliance outsourcing firms in Atlanta29
- Tax compliance outsourcing firms in Orlando29
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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax compliance outsourcing firms are there based in the United States?
RevenueBase identified 3,515 company matches for tax compliance outsourcing firms associated with the United States 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 city has the most tax compliance outsourcing firms?
New York leads with 96 company records, followed by Houston (90) and Miami (52).
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 15,079 professional contacts with verified work emails tracked across these 3,515 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 3,515 tax compliance outsourcing firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Tax compliance outsourcing firms by geography
- Tax compliance outsourcing firms based in Vienna, Austria
- Tax compliance outsourcing firms based in Sao Paulo, Brazil
- Tax compliance outsourcing firms based in Toronto, Canada
- Tax compliance outsourcing firms based in Berlin, Germany
- Tax compliance outsourcing firms based in Hamburg, Germany
- Tax compliance outsourcing firms based in Ahmedabad, India
- Tax compliance outsourcing firms based in Hyderabad, India
- Tax compliance outsourcing firms based in Kolkata, India
- Tax compliance outsourcing firms based in Mumbai, India
- Tax compliance outsourcing firms based in New Delhi, India
- Tax compliance outsourcing firms based in Noida, India
- Tax compliance outsourcing firms based in London, United Kingdom
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
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- Tax compliance outsourcing firms based in Vienna, Austria
- Tax compliance outsourcing firms based in Sao Paulo, Brazil
- Tax compliance outsourcing firms based in Toronto, Canada
- Tax compliance outsourcing firms based in Berlin, Germany
- Tax compliance outsourcing firms based in Hamburg, Germany
- Tax compliance outsourcing firms based in Ahmedabad, India
Company intelligence · public preview
Top 25 tax compliance outsourcing firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,515 matching company records for tax compliance outsourcing firms based in the United States, with 89,736 tracked contacts and 15,079 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 firms based in the United States
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 |  Apercen Partners LLCapercen.comHQ: Palo Alto, CA, United StatesReported employees: 201-500 | Palo Alto, CA, United States | 201-500 | Exact match | 399 contacts → |
“Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  Unison Globusunisonglobus.comHQ: Coral Springs, FL, United StatesReported employees: 201-500 | Coral Springs, FL, United States | 201-500 | Exact match | 320 contacts → |
“Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  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. | |||||
| 13 |  Colbert Ball TAX Servicecolbertballtax.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 77 contacts → |
“Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ZAMPzamp.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 74 contacts → |
“Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Neil Jesani Advisors, INCneiljesani.comHQ: Sunrise, FL, United StatesReported employees: 51-200 | Sunrise, FL, United States | 51-200 | Exact match | 70 contacts → |
“Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hintonburdick Cpas & Advisorshintonburdick.comHQ: St George, UT, United StatesReported employees: 51-200 | St George, UT, United States | 51-200 | Exact match | 64 contacts → |
“As the area’s largest full-service CPA firm, we are uniquely qualified to handle the most challenging tax issues as well as prepare simple returns in a cost-effective manner.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Intellgusintellgus.comHQ: Texas, TX, United StatesReported employees: 51-200 | Texas, TX, United States | 51-200 | Exact match | 59 contacts → |
“Welcome to Intellgus, the firm that’s reshaping the landscape of offshore staffing solutions for CPAs, accounting firms, and tax professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Anybill Financial Servicesanybill.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 55 contacts → |
“Anybill is the leading provider of tax payment services, focusing exclusively on automating tax payments for our clients and partners.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Think LLPthinkllp.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 54 contacts → |
“Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Lerrosarbey, Pllclerrosarbey.comHQ: Boca Raton, FL, United StatesReported employees: 51-200 | Boca Raton, FL, United States | 51-200 | Exact match | 54 contacts → |
“LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Greenback Expat TAX Servicesgreenbacktaxservices.com HQ: Grandville, MI, United StatesReported employees: 11-50 | Grandville, MI, United States | 11-50 | Exact match | 50 contacts → |
“Greenback makes life better for Americans living abroad and aims to take away the anxiety and hassle of helping US expats become and stay compliant with their US taxes while…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  The Accounting LABtheaccountinglab.coHQ: Knoxville, TN, United StatesReported employees: 51-200 | Knoxville, TN, United States | 51-200 | Exact match | 48 contacts → |
“At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Strategic TAX Planningstrategictaxplanning.netHQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 45 contacts → |
“Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Clarus Partnersclaruspartners.comHQ: Columbus, OH, United StatesReported employees: 51-200 | Columbus, OH, United States | 51-200 | Exact match | 45 contacts → |
“Clarus Partners, a Richey May company, provides specialized indirect tax compliance and advisory services to businesses across a wide range of industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Righttaxmaterighttaxmate.comHQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 42 contacts → |
“RightTaxMate is trusted partner for individual and businesses seeking expert financial guidance and support.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,515 company matches
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Tax compliance outsourcing firms: 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
3,471 records in the displayed employee bands.
44 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,515 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 firms by metro
- Tax compliance outsourcing firms in New York96
- Tax compliance outsourcing firms in Houston90
- Tax compliance outsourcing firms in Miami52
- Tax compliance outsourcing firms in Chicago43
- Tax compliance outsourcing firms in Dallas40
- Tax compliance outsourcing firms in San Diego36
- Tax compliance outsourcing firms in Los Angeles34
- Tax compliance outsourcing firms in Austin30
- Tax compliance outsourcing firms in Atlanta29
- Tax compliance outsourcing firms in Orlando29
Questions about this company list
What does Exact match mean for tax compliance outsourcing firms?
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 firms did RevenueBase find based in the United States?
The saved snapshot records 3,515 matching company records, 89,736 tracked contacts and 15,079 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
Tax compliance outsourcing firms by geography
- Tax compliance outsourcing firms based in Vienna, Austria
- Tax compliance outsourcing firms based in Sao Paulo, Brazil
- Tax compliance outsourcing firms based in Toronto, Canada
- Tax compliance outsourcing firms based in Berlin, Germany
- Tax compliance outsourcing firms based in Hamburg, Germany
- Tax compliance outsourcing firms based in Ahmedabad, India
- Tax compliance outsourcing firms based in Hyderabad, India
- Tax compliance outsourcing firms based in Kolkata, India
- Tax compliance outsourcing firms based in Mumbai, India
- Tax compliance outsourcing firms based in New Delhi, India
- Tax compliance outsourcing firms based in Noida, India
- Tax compliance outsourcing firms based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 tax compliance outsourcing firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/tax-compliance-outsourcing-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tax compliance outsourcing firms based in Vienna, Austria
- Tax compliance outsourcing firms based in Sao Paulo, Brazil
- Tax compliance outsourcing firms based in Toronto, Canada
- Tax compliance outsourcing firms based in Berlin, Germany
- Tax compliance outsourcing firms based in Hamburg, Germany
- Tax compliance outsourcing firms based in Ahmedabad, India
Company intelligence · public preview
Top 25 tax compliance outsourcing firms based in the United States
RevenueBase records 3,515 matching company records for tax compliance outsourcing firms based in the United States, with 89,736 tracked contacts and 15,079 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 firms based in the United States
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 | Apercen Partners LLCapercen.com HQ: Palo Alto, CA, United StatesReported employees: 201-500 | Palo Alto, CA, United States | 201-500 | Exact match | 399 contacts → |
“Originating from the English and Latin roots of “apercu,” an act of insight, and “census,” an applied study of wealth and property, Apercen is a tax consulting firm offering high…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | Unison Globusunisonglobus.com HQ: Coral Springs, FL, United StatesReported employees: 201-500 | Coral Springs, FL, United States | 201-500 | Exact match | 320 contacts → |
“Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | 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. | |||||
| 13 | Colbert Ball TAX Servicecolbertballtax.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 77 contacts → |
“Colbert/Ball Tax Service understands that whenever a customer visits their location for service, the client will be immediately assisted by a trained professional.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ZAMPzamp.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 74 contacts → |
“Zamp provides real sales tax relief, not just software-we completely handle your sales tax compliance so you don't have to.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Neil Jesani Advisors, INCneiljesani.com HQ: Sunrise, FL, United StatesReported employees: 51-200 | Sunrise, FL, United States | 51-200 | Exact match | 70 contacts → |
“Neil Jesani Tax Advisors, Inc.(NJA) provides a full suite of tax, compliance, accounting, resolution and advisory services, drawing on extensive industry knowledge to serve high…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hintonburdick Cpas & Advisorshintonburdick.com HQ: St George, UT, United StatesReported employees: 51-200 | St George, UT, United States | 51-200 | Exact match | 64 contacts → |
“As the area’s largest full-service CPA firm, we are uniquely qualified to handle the most challenging tax issues as well as prepare simple returns in a cost-effective manner.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Intellgusintellgus.com HQ: Texas, TX, United StatesReported employees: 51-200 | Texas, TX, United States | 51-200 | Exact match | 59 contacts → |
“Welcome to Intellgus, the firm that’s reshaping the landscape of offshore staffing solutions for CPAs, accounting firms, and tax professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Anybill Financial Servicesanybill.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 55 contacts → |
“Anybill is the leading provider of tax payment services, focusing exclusively on automating tax payments for our clients and partners.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Think LLPthinkllp.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 54 contacts → |
“Think, LLP is a national professional tax services firm that consists of former Big-4 partners from the national tax practices, attorneys, CPAs, engineers, former IRS technicians…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Lerrosarbey, Pllclerrosarbey.com HQ: Boca Raton, FL, United StatesReported employees: 51-200 | Boca Raton, FL, United States | 51-200 | Exact match | 54 contacts → |
“LerroSarbey, PLLC, a full-service accounting firm located in Boca Raton and Fort Lauderdale, Florida.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Greenback Expat TAX Servicesgreenbacktaxservices.com HQ: Grandville, MI, United StatesReported employees: 11-50 | Grandville, MI, United States | 11-50 | Exact match | 50 contacts → |
“Greenback makes life better for Americans living abroad and aims to take away the anxiety and hassle of helping US expats become and stay compliant with their US taxes while…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Accounting LABtheaccountinglab.co HQ: Knoxville, TN, United StatesReported employees: 51-200 | Knoxville, TN, United States | 51-200 | Exact match | 48 contacts → |
“At The Accounting Lab, we are dedicated to helping individuals and businesses optimize their financial success through effective tax minimization strategies.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Strategic TAX Planningstrategictaxplanning.net HQ: Annapolis, MD, United StatesReported employees: 51-200 | Annapolis, MD, United States | 51-200 | Exact match | 45 contacts → |
“Strategic Tax Planning is a premier tax and financial consulting firm in Annapolis, Maryland, serving as a trusted partner for individuals, businesses, and entrepreneurs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Clarus Partnersclaruspartners.com HQ: Columbus, OH, United StatesReported employees: 51-200 | Columbus, OH, United States | 51-200 | Exact match | 45 contacts → |
“Clarus Partners, a Richey May company, provides specialized indirect tax compliance and advisory services to businesses across a wide range of industries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Righttaxmaterighttaxmate.com HQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 42 contacts → |
“RightTaxMate is trusted partner for individual and businesses seeking expert financial guidance and support.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,515 company matches
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Tax compliance outsourcing firms: 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
3,471 records in the displayed employee bands.
44 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,515 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 firms by metro
- Tax compliance outsourcing firms in New York96
- Tax compliance outsourcing firms in Houston90
- Tax compliance outsourcing firms in Miami52
- Tax compliance outsourcing firms in Chicago43
- Tax compliance outsourcing firms in Dallas40
- Tax compliance outsourcing firms in San Diego36
- Tax compliance outsourcing firms in Los Angeles34
- Tax compliance outsourcing firms in Austin30
- Tax compliance outsourcing firms in Atlanta29
- Tax compliance outsourcing firms in Orlando29
Questions about this company list
What does Exact match mean for tax compliance outsourcing firms?
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 firms did RevenueBase find based in the United States?
The saved snapshot records 3,515 matching company records, 89,736 tracked contacts and 15,079 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
Tax compliance outsourcing firms by geography
- Tax compliance outsourcing firms based in Vienna, Austria
- Tax compliance outsourcing firms based in Sao Paulo, Brazil
- Tax compliance outsourcing firms based in Toronto, Canada
- Tax compliance outsourcing firms based in Berlin, Germany
- Tax compliance outsourcing firms based in Hamburg, Germany
- Tax compliance outsourcing firms based in Ahmedabad, India
- Tax compliance outsourcing firms based in Hyderabad, India
- Tax compliance outsourcing firms based in Kolkata, India
- Tax compliance outsourcing firms based in Mumbai, India
- Tax compliance outsourcing firms based in New Delhi, India
- Tax compliance outsourcing firms based in Noida, India
- Tax compliance outsourcing firms based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 tax compliance outsourcing firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/tax-compliance-outsourcing-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tax compliance outsourcing firms based in Vienna, Austria
- Tax compliance outsourcing firms based in Sao Paulo, Brazil
- Tax compliance outsourcing firms based in Toronto, Canada
- Tax compliance outsourcing firms based in Berlin, Germany
- Tax compliance outsourcing firms based in Hamburg, Germany
- Tax compliance outsourcing firms based in Ahmedabad, India