These New York companies are primarily accounting and professional services firms, with a focus on providing audit, tax, and advisory services. The list includes both very large corporations, like KPMG US with over 53,000 employees, and mid-sized firms such as CohnReznick and EisnerAmper, each employing thousands.
Key players include Citrin Cooperman, offering attest, tax, and advisory services; Datamatics Business Solutions, specializing in database solutions and finance outsourcing; and Marcum LLP, a national accounting and advisory firm for middle-market companies. UHY-US also provides audit, tax, consulting, and advisory services, while NYCTaxguys, Inc. focuses on accounting for individuals and small businesses. The data shows a concentration of accounting and professional services providers, many of which were founded between the 1950s and 1980s.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 53,517 | ||||
| 2 |
CohnReznickcohnreznick.com
Provides assurance, advisory, and tax services with deep industry knowledge to optimize performance, manage risk, and maximize value globally. |
4,923 | |||
| 3 |
EisnerAmpereisneramper.com
Provides attest services through an independent CPA firm and business advisory, non-attest services via an alternative practice structure for various business sectors. |
4,157 | |||
| 4 |
Citrin Coopermancitrincooperman.com
Professional services provider offering attest, tax, advisory, and business consulting services in an alternative practice structure as independent member firms of a global network |
2,938 | |||
| 5 |
Datamatics Business Solutionsdatamaticsbpm.com
Global provider of database solutions, demand generation, business research, finance outsourcing, and payroll services using robotics and machine learning for Fortune 1000 companies. |
2,319 | |||
| 6 |
UHY-USuhy-us.com
UHY provides audit, tax, consulting and advisory services to middle market clients, offering innovative solutions tailored to their business challenges globally |
2,223 | |||
| 7 |
Marcum LLPcbiz.com
A national accounting and advisory firm dedicated to helping middle-market companies and individuals achieve success through tax, assurance, advisory, technology, and wealth management services |
1,098 | |||
| 8 |
NYCTaxguys, Inc.nyctaxguys.com
Professional accounting services for individuals and small businesses, specializing in payroll, bookkeeping, tax services, budgeting, incorporation, and consulting Available 24/7 for assistance |
1,010 | |||
| 9 |
Cogneesolcogneesol.com
Global professional services organization offering industry-specific solutions in business process management, technology, analytics, and customer services to companies worldwide, driving transformation and innovation |
918 | |||
| 10 |
CBIZ CPAs P.C.cbizcpas.com
A national accounting firm with 28 locations, offering audit, review, and attest services, specializing in financial services, tax, and accounting industries |
863 | |||
| 11 |
Anchinanchin.com
A leading accounting, tax, and advisory firm specializing in privately-held companies, investment funds, and high-net-worth individuals/families, with a focus on partner-level engagement and employee satisfaction |
609 | |||
| 12 | 572 | ||||
| 13 | 499 | ||||
| 14 |
Prager Metis CPAspragermetis.com
Prager Metis CPAs is a growing mid-sized accounting and advisory firm offering a full range of services nationally and internationally |
490 | |||
| 15 |
Mazars in USforvismazars.us
An international audit, tax, and advisory firm providing tailored services in various areas including accounting, financial advisory, consulting, and legal services |
421 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
OHI - OutsourcingHubIndiaoutsourcinghubindia.com
Specialized finance and real estate accounting outsourcing provider with expertise in accounting processes, financial analysis, and real estate sector solutions |
401 | |||
| 17 |
1-800Accountant1800accountant.com
Virtual accounting firm for small businesses, integrating expert CPAs and technology to maximize tax savings and minimize tasks Focus on business growth |
356 | |||
| 18 |
Gellergellerco.com
Strategic financial, tax, and consulting services for individuals and companies, emphasizing independence, security, client advocacy, and community commitment. |
355 | |||
| 19 | 268 | ||||
| 20 |
Crowe Horwath Internationalcrowe.com
A global network of over 200 independent accounting firms providing high-quality Audit, Tax, Advisory, and Risk Services in over 120 countries |
259 | |||
| 21 |
Friedman LLPcbiz.com
Innovative accounting and advisory firm formed by the merger of two top-12 firms, offering extensive services and industry specializations |
249 | |||
| 22 |
CBIZ Marks Panethcbiz.com
A premier accounting, tax, and consulting services provider with a team of nearly 700 professionals offering expertise in various industries |
241 | |||
| 23 |
Bikhambikham.com
A company offering end-to-end Business Process Management services in healthcare, finance, IT, and academia, with a focus on growth and strategic partnerships |
205 | |||
| 24 |
Funaro & Co.funaro.com
A professional firm founded in 1947 offering accounting, auditing, tax, management consulting, and transaction advisory services with expertise in US/EU cross-border matters |
182 | |||
| 25 |
Schulman Lobelschulmanlobel.com
Accounting and consulting firm offering personalized financial and management strategies to individuals and businesses nationwide and internationally, with a focus on economic success and ethical guidance |
104 | |||
| 26 |
George Dimov, CPAdimovtax.com
A highly qualified accounting firm offering tax preparation, financial planning, and corporate accounting services with a focus on accuracy and client satisfaction |
90 | |||
| 27 |
FinQuanfinquan.com
The company provides comprehensive finance services using expertise and technology to help businesses of all sizes grow and thrive globally |
44 | |||
| 28 |
ML Management Partners, LLCmlmgmt.com
Business management firm providing accounting services to entertainment, modeling industries, and high net worth individuals with over 60 years of combined experience |
43 | |||
| 29 |
ArcLedgearcledge.com
This company redefines financial services to be a force for good, providing expert guidance, strategic insights, and a partnership approach for clients' success |
24 | |||
| 30 |
MBP Global LLPmbpgloballlp.com
Global firm offering audit, tax, and advisory services across industries worldwide Offices in New York, Beijing, Guangzhou, and Hangzhou Visit website for more information |
16 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in New York
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- Multinational companies in New York 1,836
- Financial services firms in New York 995
- SaaS companies in New York 958
- Financial Services companies in New York 885
- Professional services firms in New York 735
- Venture capital and private equity firms in New York 727
- Software Development companies in New York 612
- AI companies in New York 543
- Subscription businesses in New York 422
- Investment Management companies in New York 421
- Real Estate companies in New York 417
- Marketing and communications agencies in New York 389
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- IT Services and IT Consulting companies in New York 387
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- Venture Capital and Private Equity Principals companies in New York 370
- Consulting firms in New York 368
- Retail Apparel and Fashion companies in New York 334
- IT services companies in New York 331
- Retail chains in New York 326
- Media companies and publishers in New York 304
- Data and analytics companies in New York 303
- Technology, Information and Internet companies in New York 293
The same list elsewhere in United States
- Accounting firms in the United States 387
- Accounting firms in New York State 57
- Accounting firms in California 54
- Accounting firms in Texas 27