The professional services sector in New York is characterized by a significant presence of large, established firms. Companies like Genpact, with over 150,000 employees, specialize in digital operations and AI solutions, while Kyndryl focuses on advanced technology infrastructure. Goldman Sachs is a major player in financial services, and Marsh McLennan provides risk management and strategic consulting.
This list highlights a concentration of firms founded in the late 20th and early 21st centuries, indicating a period of growth in professional services. EXL partners with businesses for data-driven solutions, and VML is a global creative agency. A notable pattern is the dominance of business consulting, IT services, and financial services within this group.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Genpactgenpact.com
A global professional services firm with over 125,000 employees in 30+ countries, specializing in digital operations, data, technology, and AI solutions for leading enterprises |
151,199 | |||
| 2 |
Kyndrylkyndryl.com
A global leader in designing, running, and managing advanced technology infrastructure, focusing on excellence, innovation, and advancing vital systems for human progress |
90,000 | |||
| 3 |
Goldman Sachsgoldmansachs.com
Global financial institution providing expert capital markets services, investment banking, and asset management for clients through partnership, integrity, and world-class operational excellence. |
76,000 | |||
| 4 | 61,367 | ||||
| 5 |
EXLexlservice.com
The company partners with businesses to tailor data-driven solutions, improve efficiency, enhance customer relationships, and drive revenue growth through collaboration and technology |
58,974 | |||
| 6 |
Marsh McLennancorporate.marsh.com
Provides risk management, strategic consulting, and human resources solutions to clients worldwide, enhancing their ability to navigate challenges and seize opportunities. |
40,340 | |||
| 7 | 34,192 | ||||
| 8 |
Marsh Riskmarsh.com
A global leader in insurance brokerage and risk advisory, providing data-driven solutions and advisory services to clients worldwide |
26,000 | |||
| 9 |
Mercer Espa帽amercer.com
Mercer is a global consultancy business focused on providing trusted advice and solutions to help organizations build brighter, healthier, and more sustainable futures |
25,000 | |||
| 10 |
TransPerfecttransperfect.com
A global leader in language services and technologies, helping businesses expand internationally through translation, localization, multicultural marketing, interpretation, and more |
17,809 | |||
| 11 |
Synechronsynechron.com
Innovative consulting firm leveraging digital technology to deliver leading solutions in AI, digital, cloud, data, and software engineering for financial services and technology industries globally |
14,671 | |||
| 12 |
Alvarez & Marsalalvarezandmarsal.com
Global professional services firm specializing in business transformation, restructuring, performance improvement, and delivering practical solutions for complex organizational challenges. |
14,064 | |||
| 13 | 12,940 | ||||
| 14 | 12,228 | ||||
| 15 |
WSP in the U.S.wsp.com
This professional services consulting firm plans, advises, designs, manages, and engineers sustainable solutions that shape communities for future generations to thrive |
10,588 | |||
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| 16 |
Accenture Songaccenture.com
This company is the world's largest creative group powered by technology, offering innovative solutions to clients |
10,047 | |||
| 17 |
Oliver Wymanoliverwyman.com
Provide strategic advice and collaborative consulting to help clients navigate critical decisions and transformative changes for growth and success. |
9,772 | |||
| 18 |
IPG Mediabrandsomnicommedia.com
manages global marketing investments through full-service agencies and specialty units, serving diverse industries with media and marketing solutions |
8,776 | |||
| 19 |
CI&Tciandt.com
AI-powered digital solutions provider partnering with top brands to drive business transformation through strategic innovation and scalable solutions |
8,592 | |||
| 20 |
Data Entry Job (Remote Job)omnilabes.com
This company specializes in hiring remote data entry clerks They are currently looking to fill positions in this field |
8,442 | |||
| 21 |
White & Case LLPwhitecase.com
Global law firm providing cross-border legal services with local expertise, innovative solutions, and client-focused guidance for complex issues. |
8,237 | |||
| 22 |
Epiqepiqglobal.com
Provides technology-enabled services for corporate counsel, law firms, and business professionals, streamlining administration of legal department, business operations, eDiscovery, and regulatory matters. |
8,206 | |||
| 23 | 8,062 | ||||
| 24 |
Jefferiesjefferies.com
Global full-service investment banking and capital markets firm providing advisory, sales, trading, research, wealth and asset management services to investors, companies and governments. |
8,019 | |||
| 25 | 7,201 | ||||
| 26 | 7,199 | ||||
| 27 |
Any Studiosanystudios.com
The company specializes in creating brand stories through strategic design and high-quality production services |
7,103 | |||
| 28 |
Brown Brothers Harrimanbbh.com
Global financial services firm providing investor services, asset servicing, investment management, private equity, corporate advisory, and banking solutions worldwide. |
6,819 | |||
| 29 |
Fragomenfragomen.com
Provides comprehensive immigration legal services and technology solutions to corporate, academic, nonprofit, and individual clients globally. |
6,656 | |||
| 30 |
Apollo Global Management, Inc.apollo.com
Global alternative asset manager providing excess returns across risk-reward spectrum from investment grade credit to private equity and specialized retirement savings products. |
5,845 | |||
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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 11, 2026.
More company lists in New York
- The largest companies in New York 8,171
- 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
- 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
- Advertising Services companies in New York 387
- IT Services and IT Consulting companies in New York 387
- Companies with a mobile app in New York 371
- 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
- Education providers in New York 284
The same list elsewhere in United States
- Professional services firms in the United States 7,078
- Professional services firms in New York State 955
- Professional services firms in California 880
- Professional services firms in Texas 629
- Professional services firms in Florida 375
- Professional services firms in Virginia 344
- Professional services firms in Illinois 339
- Professional services firms in Massachusetts 249
- Professional services firms in New Jersey 249
- Professional services firms in Georgia 246
- Professional services firms in Pennsylvania 245
- Professional services firms in Ohio 195
- Professional services firms in Maryland 176
- Professional services firms in Michigan 172
- Professional services firms in Washington State 163
- Professional services firms in North Carolina 142
- Professional services firms in Alabama 135
- Professional services firms in Minnesota 125
- Professional services firms in Chicago 196
- Professional services firms in Houston 156
- Professional services firms in Atlanta 143
- Professional services firms in San Francisco 130
- Professional services firms in Washington 109
- Professional services firms in Los Angeles 108