Company lists · Data refreshed September 2026

Top 25 Employment tax compliance firms worldwide

RevenueBase identified 4,352 company matches for employment tax compliance firms worldwide as of September 2026 and tracks 44,264 professional contacts across them, including 15,685 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for employment tax compliance firms 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 19, 2026. Country and city lists for employment tax compliance firms 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
4,352Companies
44,264Contacts tracked
15,685Verified emails
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The 25 largest employment tax compliance firms worldwide

Ranked by team size
Top 25 of 4,352 company matches for employment tax compliance firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 19, 202610001+13,063 contacts →

Exact match

“At Sage, we knock down barriers with information, insights, and tools to help your business flow.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 19, 20261,001-5,0003,543 contacts →

Exact match

“Gusto has been growing the small business economy for 15+ years.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBangalore, IndiaHQ recorded Sep 19, 2026501-1,000689 contacts →

Exact match

“Founded over two decades ago with a clear vision to excel in providing innovative HR solutions, Ascent HR Technologies Pvt Ltd.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchUnited StatesHQ recorded Sep 19, 20261,001-5,000627 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchAix-en-provence, FranceHQ recorded Sep 19, 2026201-500395 contacts →

Exact match

“Des solutions digitales innovantes, déployées par nos partenaires experts pour simplifier la gestion de la paie et des RH en entreprise.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United StatesHQ recorded Sep 19, 20265,001-10,000323 contacts →

Exact match

“Together Vistra + iiPay are building the world's most powerful payroll proposition.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchCosta Mesa, CA, United StatesHQ recorded Sep 19, 2026501-1,000291 contacts →

Exact match

“Employers need a partner they can rely on to face today’s new challenges.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchRochester, NY, United StatesHQ recorded Sep 19, 2026201-500276 contacts →

Exact match

“From start-up to scale-up, SurePayroll online payroll, tax management, HR and benefits solutions give small business and household employers the freedom to succeed.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026501-1,000269 contacts →

Exact match

“Growth exposes financial weakness.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchMéxico, MexicoHQ recorded Sep 19, 20265,001-10,000253 contacts →

Exact match

“We are experts in transforming the complexity of payroll management into efficient and customized solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchFlorence, SC, United StatesHQ recorded Sep 19, 2026201-500214 contacts →

Exact match

“Synergi specializes in processing federal and state tax credits for employers across the United States and Puerto Rico.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchRichmond, VA, United StatesHQ recorded Sep 19, 202651-200197 contacts →

Exact match

“Dominion Payroll is a leader in payroll and human resource solutions for clients nationwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchJacksonville, FL, United StatesHQ recorded Sep 19, 2026201-500155 contacts →

Exact match

“Greenshades delivers purpose-built workforce management solutions for organizations where workforce complexity is the norm, not the exception.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchMansfield, MA, United StatesHQ recorded Sep 19, 2026201-500155 contacts →

Exact match

“ConnectPay empowers small businesses across America through hassle-free payroll processing.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchLittleton, CO, United StatesHQ recorded Sep 19, 202611-50149 contacts →

Exact match

“Payroll Vault has Re-Defined Payroll Payroll Vault is a nationally leading vendor that is re-defining the payroll industry with advanced cloud-based technologies, the highest…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchNashville, TN, United StatesHQ recorded Sep 19, 202651-200147 contacts →

Exact match

“Anchored by subject matter experts, Thomas & Company is focused on helping employers save money and increase efficiency within the unemployment cost management, offboarding…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSaint-herblain, FranceHQ recorded Sep 19, 2026501-1,000127 contacts →

Exact match

“Rejoignez une bande de 550 bousculateurs qui façonne ensemble depuis 25 ans une expérience de comptabilité, de paie et de fiscalité pragmatique et responsable au service des…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchPeachtree Corners, GA, United StatesHQ recorded Sep 19, 202651-200126 contacts →

Exact match

“At Corporate Payroll Services, we relieve you of the burden of processing payroll.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchBillings, MT, United StatesHQ recorded Sep 19, 2026201-500123 contacts →

Exact match

“Avitus Group is a worldwide company that simplifies, strengthens and grows businesses by providing administrative support (Payroll, accounting, taxes, HR and much more.) When a…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchAthens, GreeceHQ recorded Sep 19, 202651-200116 contacts →

Exact match

“Accounting - Taxation - Business Consulting OUR COMPANY Following many years of activity, Fovera Prostasia S.A.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchNew York, CA, United StatesHQ recorded Sep 19, 2026501-1,000116 contacts →

Exact match

“ERTC Express is a tax consulting firm providing expert assistance to small business clients around the Employee Retention Tax Credit.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Sep 19, 2026201-500115 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 19, 2026 · View company records in RevenueBase
23Exact matchPeachtree Corners, GA, United StatesHQ recorded Sep 19, 2026201-500101 contacts →

Exact match

“Complete Payroll, HR Services, Insurance Services, Retirement Plan Services and Workforce Management Solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Sep 19, 2026501-1,000101 contacts →

Exact match

“When families hire a nanny, senior caregiver, housekeeper, personal assistant or other household employee to work in or around their home, they have specific federal, state and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchDublin, IrelandHQ recorded Sep 19, 202611-5099 contacts →

Exact match

“Fenero are multi-award winning experts in Contracting and Personal Tax Solutions for contractors, freelancers, company owners and solopreneurs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 4,352 employment tax compliance firms worldwide

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Employment tax compliance firms worldwide at a glance

As of Sep 19, 2026
35.4%Verified-email coverage
10.2Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Sao Paulo
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
2,975
11-50
1,041
51-200
197
201-500
40
501-1,000
21
1,001-5,000
16
5,001-10,000
9
10001+
4

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 employment tax compliance firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “employment tax compliance 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. 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 15,685 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 19, 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.

Employment tax compliance firms by location

14 lists · largest first

Every Employment tax compliance firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “employment tax compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many employment tax compliance firms are there worldwide?

RevenueBase identified 4,352 company matches for employment tax compliance firms 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?

SAGE tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most employment tax compliance firms?

The United States leads with 1,550 companies, followed by Germany (277) and Brazil (243). Every employment tax compliance firms list by country and city is linked on this page.

Which city has the most employment tax compliance firms?

Sao Paulo leads with 54 company records, followed by New York (44) and London (43).

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 15,685 professional contacts with verified work emails tracked across these 4,352 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 19, 2026.

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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.