Company lists · Data refreshed September 2026

Top 25 Professional employer organizations for law firms based in New York, United States

RevenueBase identified 80 company matches for professional employer organizations for law firms associated with New York, United States as of September 2026 and tracks 4,396 professional contacts across them, including 2,775 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for professional employer organizations for law firms associated with New York, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
80Companies
4,396Contacts tracked
2,775Verified emails
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The 25 largest professional employer organizations for law firms based in New York, United States

Ranked by team size
Top 25 of 80 company matches for professional employer organizations for law firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchNew York, United StatesHQ recorded Sep 29, 20261,001-5,0002,285 contacts →

Exact match

“Focused on employment and labor law since 1958, Jackson Lewis P.C.’s attorneys located in major cities nationwide consistently identify and respond to new ways workplace law…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0001,554 contacts →

Exact match

“Justworks takes the busyness out of growing a business and alleviates the unknown.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchNew York, United StatesHQ recorded Sep 29, 202651-20066 contacts →

Exact match

“On Call Counsel is a division of The TemPositions Group of Companies, one of the country’s largest privately owned full service staffing firms offering services to the New York…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-20043 contacts →

Exact match

“NexFirm provides outsourced back office services to small and midsized law firms.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5043 contacts →

Exact match

“Audrey Golden Associates, Ltd, founded in 1972, is one of the most highly-regarded attorney search firms in the country.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5041 contacts →

Exact match

“Founded over 45 years ago, KM & M represents businesses ranging from Fortune 500 companies, to start-ups, to mom-and-pop shops with respect to all labor, employment, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchNew York, United StatesHQ recorded Sep 29, 202611-5041 contacts →

Exact match

“Clifton Budd & DeMaria, LLP is one of the nation's first labor and employment law firms.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Plona Partners is a boutique legal recruiting firm with one of the most high-quality, diverse, and specialized talent networks in the legal industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“At HR Impact, we provide comprehensive customized Human Resources, benefits, and payroll administration solutions to organizations across various industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“About The PeterSan Group and PeterSan Legal Staffing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchNew York, United StatesHQ recorded Sep 29, 20261-1014 contacts →

Exact match

“Lawyers - we know you because we were you.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-1013 contacts →

Exact match

“McClure Harrison is a boutique legal search firm dedicated exclusively to connecting exceptional attorneys with leading law firms nationwide.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-1011 contacts →

Exact match

“Payroll operators (PEOs, PSBs, ASOs, EORs) use Nivelo's platform to boost their finance and payment operations, growing efficiently with lower risk.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-1011 contacts →

Exact match

“We represent Employers, Employees and Organizations in all areas of Employment Law.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchNew York, United StatesHQ recorded Sep 29, 20261-1011 contacts →

Exact match

“Walker Associates is a New York-based legal search firm dedicated to uniting accomplished partners and partner groups with law firms that rise above the crowded middle.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-509 contacts →

Exact match

“Stulberg & Walsh, LLP is a New York City-based labor, employment and disability rights law boutique with a vibrant practice in public/private and domestic/cross-border workplace…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-509 contacts →

Exact match

“Dinsmore Steele provides independent PEO governance for private equity–backed and growth-stage companies already operating inside a PEO.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-108 contacts →

Exact match

“Allyn & Fortuna LLP is synonymous with quality legal representation for business clients in New York and New Jersey.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-106 contacts →

Exact match

“ShiftSixOS offers offshore support staff to businesses at approximately one-third the cost of U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-105 contacts →

Exact match

“The Brickman Law Group in New York City is a full-service law firm and litigation practice.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-105 contacts →

Exact match

“The Foster Group is a full-service legal recruiting firm specializing in the placement of partners, counsel, and associates.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Pittleman & Associates is the leading attorney placement firm in New York City.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchNew York, United StatesHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Onondaga Employee Leasing Services, Inc.(OELS) is a locally owned and operated business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-103 contacts →

Exact match

“Rumin Search Consulting connects successful partners, practice leaders, groups, and management teams with exceptional lateral growth and team creation opportunities at leading…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-103 contacts →

Exact match

“Onward Advisors consults with small and mid-sized companies to help them save time, money, and precious resources while comparing and choosing the best professional employer…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 80 professional employer organizations for law firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 2,775 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional employer organizations for law firms based in New York, United States at a glance

As of Sep 29, 2026
63.1%Verified-email coverage
55.0Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
57
11-50
17
51-200
3
501-1,000
1
1,001-5,000
2

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 80 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 New York, United States whose business descriptions match “professional employer organizations for law 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 2,775 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.

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 “professional employer organizations for law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional employer organizations for law firms are there based in New York, United States?

RevenueBase identified 80 company matches for professional employer organizations for law firms associated with New York, 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?

Jackson Lewis P.C tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most professional employer organizations for law firms?

New York leads the United States with 87 company records, followed by Los Angeles (42) and Tampa (32).

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 2,775 professional contacts with verified work emails tracked across these 80 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.

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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.