Company lists · Data refreshed September 2026
Top 25 Professional employer organizations for law firms based in the United States
RevenueBase identified 1,321 company matches for professional employer organizations for law firms associated with the United States as of September 2026 and tracks 36,226 professional contacts across them, including 19,004 with verified work emails. New York is the largest hub.
This list covers company matches for professional employer organizations for law 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 professional employer organizations for law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,708 contacts → | ||||
Exact match “Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 2,449 contacts → | ||||
Exact match “At Alston & Bird, a leading international firm, our people trust the people they work for, take pride in what they do, enjoy the people they work with and serve the communities in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 2,437 contacts → | ||||
Exact match “VensureHR is the direct employer services business unit of Vensure Employer Solutions, the largest privately held organization in the HR technology and services sector, delivering…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 2,285 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 | |||||
| 5 | 1,591 contacts → | ||||
Exact match “We started as a staffing company in 1972, and over the past 50 years, evolved into a Professional Employer Organization or PEO.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 1,554 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 | |||||
| 7 | 1,471 contacts → | ||||
Exact match “With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 1,343 contacts → | ||||
Exact match “At Clark Hill, our value proposition is simple.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 1,068 contacts → | ||||
Exact match “Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 840 contacts → | ||||
Exact match “Managing HR, payroll, benefits, and compliance can stretch your team thin, and mistakes are costly.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 828 contacts → | ||||
Exact match “Oasis, A Paychex Company, is a leading Professional Employer Organization (PEO).” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 802 contacts → | ||||
Exact match “Aderant is dedicated to helping law firms run a better business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 746 contacts → | ||||
Exact match “FordHarrison LLP - your partner in employment law.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 586 contacts → | ||||
Exact match “CoAdvantage is now CoAd.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 353 contacts → | ||||
Exact match “ExtensisHR, one of the largest Professional Employer Organizations (PEOs) in the U.S, is looking for talented people to join our team!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 341 contacts → | ||||
Exact match “Engage PEO delivers comprehensive HR solutions to small and medium-sized businesses, sharpening their competitive advantage.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 341 contacts → | ||||
Exact match “Most founders don't start a business because they love navigating HR compliance, filing payroll taxes, or negotiating healthcare premiums.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 283 contacts → | ||||
Exact match “At Employer Flexible, we’re a Professional Employer Organization (PEO) that helps businesses simplify HR, payroll, benefits, risk management, and compliance, so you can focus on…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 279 contacts → | ||||
Exact match “Outsourcing HR through a PEO is a strong option for growing businesses.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 264 contacts → | ||||
Exact match “PrestigePEO empowers small and mid-sized businesses (SMBs) to simplify HR by offering end-to-end support for employee benefits management, payroll administration, workers’…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 258 contacts → | ||||
Exact match “Zenefits is a part of TriNet.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 238 contacts → | ||||
Exact match “Koley Jessen is a strategically growing law firm serving the needs of businesses and their owners, executives, and professionals in Nebraska and around the country.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 187 contacts → | ||||
Exact match “Trion Solutions is one of the nation’s largest Professional Employer Organizations (PEOs), relieving the stress and burden of managing payroll and other HR functions so clients…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 174 contacts → | ||||
Exact match “Groom Law Group, Chartered is widely recognized as the leading benefits law firm in the United States with over 90 attorneys dedicated solely to the practice of employee benefits…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 169 contacts → | ||||
Exact match “In business for over 50 years, Landrum HR Solutions is a leading HR service provider with a vision of “making the business of people easier.” We help organizations navigate…” 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 “professional employer organizations for law 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 1,321 professional employer organizations for law firms based in the United States
See the full list, filter by size, metro and specialty, and access 19,004 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Professional employer organizations for law 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 1,321 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 “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 19,004 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.
Professional employer organizations for law firms by metro
- Professional employer organizations for law firms in New York87
- Professional employer organizations for law firms in Los Angeles42
- Professional employer organizations for law firms in Tampa32
- Professional employer organizations for law firms in Atlanta30
- Professional employer organizations for law firms in Dallas28
- Professional employer organizations for law firms in Houston27
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 the United States?
RevenueBase identified 1,321 company matches for professional employer organizations for law 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?
Ogletree Deakins tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most professional employer organizations for law firms?
New York leads 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 19,004 professional contacts with verified work emails tracked across these 1,321 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 1,321 professional employer organizations for law firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Professional employer organizations for law firms by geography
- Professional employer organizations for law firms based in Sao Paulo, Brazil
- Professional employer organizations for law firms based in Toronto, Canada
- Professional employer organizations for law firms based in Paris, France
- Professional employer organizations for law firms based in London, United Kingdom
- Professional employer organizations for law firms based in Atlanta, United States
- Professional employer organizations for law firms based in Dallas, United States
- Professional employer organizations for law firms based in Houston, United States
- Professional employer organizations for law firms based in Los Angeles, United States
- Professional employer organizations for law firms based in New York, United States
- Professional employer organizations for law firms based in Tampa, United States
- Professional employer organizations for law firms based in Brazil
- Professional employer organizations for law firms based in Canada
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Professional employer organizations for law firms based in Sao Paulo, Brazil
- Professional employer organizations for law firms based in Toronto, Canada
- Professional employer organizations for law firms based in Paris, France
- Professional employer organizations for law firms based in London, United Kingdom
- Professional employer organizations for law firms based in Atlanta, United States
- Professional employer organizations for law firms based in Dallas, United States
Company intelligence · public preview
Top 25 professional employer organizations for law 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 1,321 matching company records for professional employer organizations for law firms based in the United States, with 36,226 tracked contacts and 19,004 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 professional employer organizations for law 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 |  Ogletree Deakinsogletree.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 2,708 contacts → |
“Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Alston & Birdalston.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 2,449 contacts → |
“At Alston & Bird, a leading international firm, our people trust the people they work for, take pride in what they do, enjoy the people they work with and serve the communities in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Vensure Employer Solutionsvensure.comHQ: Chandler, AZ, United StatesReported employees: 1,001-5,000 | Chandler, AZ, United States | 1,001-5,000 | Exact match | 2,437 contacts → |
“VensureHR is the direct employer services business unit of Vensure Employer Solutions, the largest privately held organization in the HR technology and services sector, delivering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Jackson Lewis P.Cjacksonlewis.comHQ: New York, United StatesReported employees: 1,001-5,000 | New York, United States | 1,001-5,000 | Exact match | 2,285 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BBSIbbsi.comHQ: Vancouver, WA, United StatesReported employees: 501-1,000 | Vancouver, WA, United States | 501-1,000 | Exact match | 1,591 contacts → |
“We started as a staffing company in 1972, and over the past 50 years, evolved into a Professional Employer Organization or PEO.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Justworksjustworks.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,554 contacts → |
“Justworks takes the busyness out of growing a business and alleviates the unknown.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Fisher Phillipsfisherphillips.comHQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 1,471 contacts → |
“With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Clark Hill LAWclarkhill.comHQ: Detroit, MI, United StatesReported employees: 1,001-5,000 | Detroit, MI, United States | 1,001-5,000 | Exact match | 1,343 contacts → |
“At Clark Hill, our value proposition is simple.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Quintairos, Prieto, Wood & Boyer, P.Aqpwblaw.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 1,068 contacts → |
“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  G&a Partnersgnapartners.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 840 contacts → |
“Managing HR, payroll, benefits, and compliance can stretch your team thin, and mistakes are costly.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  OASISoasisadvantage.comHQ: West Palm Beach, FL, United StatesReported employees: 501-1,000 | West Palm Beach, FL, United States | 501-1,000 | Exact match | 828 contacts → |
“Oasis, A Paychex Company, is a leading Professional Employer Organization (PEO).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Aderantaderant.comHQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 802 contacts → |
“Aderant is dedicated to helping law firms run a better business.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Fordharrison LLPfordharrison.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 746 contacts → |
“FordHarrison LLP - your partner in employment law.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Coadvantagecoad.comHQ: Bradenton, FL, United StatesReported employees: 201-500 | Bradenton, FL, United States | 201-500 | Exact match | 586 contacts → |
“CoAdvantage is now CoAd.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Extensishrextensishr.comHQ: Iselin, NJ, United StatesReported employees: 201-500 | Iselin, NJ, United States | 201-500 | Exact match | 353 contacts → |
“ExtensisHR, one of the largest Professional Employer Organizations (PEOs) in the U.S, is looking for talented people to join our team!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Engage PEOengagepeo.comHQ: Fort Lauderdale, FL, United StatesReported employees: 501-1,000 | Fort Lauderdale, FL, United States | 501-1,000 | Exact match | 341 contacts → |
“Engage PEO delivers comprehensive HR solutions to small and medium-sized businesses, sharpening their competitive advantage.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nextepnextep.comHQ: Norman, OK, United StatesReported employees: 201-500 | Norman, OK, United States | 201-500 | Exact match | 341 contacts → |
“Most founders don't start a business because they love navigating HR compliance, filing payroll taxes, or negotiating healthcare premiums.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Employer Flexibleemployerflexible.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 283 contacts → |
“At Employer Flexible, we’re a Professional Employer Organization (PEO) that helps businesses simplify HR, payroll, benefits, risk management, and compliance, so you can focus on…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Questco Companiesquestco.netHQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 279 contacts → |
“Outsourcing HR through a PEO is a strong option for growing businesses.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Prestigepeoprestigepeo.comHQ: Melville, NY, United StatesReported employees: 201-500 | Melville, NY, United States | 201-500 | Exact match | 264 contacts → |
“PrestigePEO empowers small and mid-sized businesses (SMBs) to simplify HR by offering end-to-end support for employee benefits management, payroll administration, workers’…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Trinet Zenefitstrinet.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 258 contacts → |
“Zenefits is a part of TriNet.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Koley Jessen P.C., L.L.Okoleyjessen.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 238 contacts → |
“Koley Jessen is a strategically growing law firm serving the needs of businesses and their owners, executives, and professionals in Nebraska and around the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Trion Solutions, INCtrionworks.comHQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 187 contacts → |
“Trion Solutions is one of the nation’s largest Professional Employer Organizations (PEOs), relieving the stress and burden of managing payroll and other HR functions so clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Groom LAW Group, Charteredgroom.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 174 contacts → |
“Groom Law Group, Chartered is widely recognized as the leading benefits law firm in the United States with over 90 attorneys dedicated solely to the practice of employee benefits…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Landrum HR Solutionslandrumhr.comHQ: Pensacola, FL, United StatesReported employees: 51-200 | Pensacola, FL, United States | 51-200 | Exact match | 169 contacts → |
“In business for over 50 years, Landrum HR Solutions is a leading HR service provider with a vision of “making the business of people easier.” We help organizations navigate…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,321 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Professional employer organizations for law 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
1,319 records in the displayed employee bands.
2 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 1,321 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 ↗
Professional employer organizations for law firms by metro
- Professional employer organizations for law firms in New York87
- Professional employer organizations for law firms in Los Angeles42
- Professional employer organizations for law firms in Tampa32
- Professional employer organizations for law firms in Atlanta30
- Professional employer organizations for law firms in Dallas28
- Professional employer organizations for law firms in Houston27
Questions about this company list
What does Exact match mean for professional employer organizations for law 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 professional employer organizations for law firms did RevenueBase find based in the United States?
The saved snapshot records 1,321 matching company records, 36,226 tracked contacts and 19,004 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
Professional employer organizations for law firms by geography
- Professional employer organizations for law firms based in Sao Paulo, Brazil
- Professional employer organizations for law firms based in Toronto, Canada
- Professional employer organizations for law firms based in Paris, France
- Professional employer organizations for law firms based in London, United Kingdom
- Professional employer organizations for law firms based in Atlanta, United States
- Professional employer organizations for law firms based in Dallas, United States
- Professional employer organizations for law firms based in Houston, United States
- Professional employer organizations for law firms based in Los Angeles, United States
- Professional employer organizations for law firms based in New York, United States
- Professional employer organizations for law firms based in Tampa, United States
- Professional employer organizations for law firms based in Brazil
- Professional employer organizations for law firms based in Canada
Cite this list
RevenueBase Data Team. Top 25 professional employer organizations for law firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/professional-employer-organizations-for-law-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
- Professional employer organizations for law firms based in Sao Paulo, Brazil
- Professional employer organizations for law firms based in Toronto, Canada
- Professional employer organizations for law firms based in Paris, France
- Professional employer organizations for law firms based in London, United Kingdom
- Professional employer organizations for law firms based in Atlanta, United States
- Professional employer organizations for law firms based in Dallas, United States
Company intelligence · public preview
Top 25 professional employer organizations for law firms based in the United States
RevenueBase records 1,321 matching company records for professional employer organizations for law firms based in the United States, with 36,226 tracked contacts and 19,004 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 professional employer organizations for law 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 | Ogletree Deakinsogletree.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 2,708 contacts → |
“Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Alston & Birdalston.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 2,449 contacts → |
“At Alston & Bird, a leading international firm, our people trust the people they work for, take pride in what they do, enjoy the people they work with and serve the communities in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vensure Employer Solutionsvensure.com HQ: Chandler, AZ, United StatesReported employees: 1,001-5,000 | Chandler, AZ, United States | 1,001-5,000 | Exact match | 2,437 contacts → |
“VensureHR is the direct employer services business unit of Vensure Employer Solutions, the largest privately held organization in the HR technology and services sector, delivering…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Jackson Lewis P.Cjacksonlewis.com HQ: New York, United StatesReported employees: 1,001-5,000 | New York, United States | 1,001-5,000 | Exact match | 2,285 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BBSIbbsi.com HQ: Vancouver, WA, United StatesReported employees: 501-1,000 | Vancouver, WA, United States | 501-1,000 | Exact match | 1,591 contacts → |
“We started as a staffing company in 1972, and over the past 50 years, evolved into a Professional Employer Organization or PEO.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Justworksjustworks.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 1,554 contacts → |
“Justworks takes the busyness out of growing a business and alleviates the unknown.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fisher Phillipsfisherphillips.com HQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 1,471 contacts → |
“With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Clark Hill LAWclarkhill.com HQ: Detroit, MI, United StatesReported employees: 1,001-5,000 | Detroit, MI, United States | 1,001-5,000 | Exact match | 1,343 contacts → |
“At Clark Hill, our value proposition is simple.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Quintairos, Prieto, Wood & Boyer, P.Aqpwblaw.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 1,068 contacts → |
“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | G&a Partnersgnapartners.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 840 contacts → |
“Managing HR, payroll, benefits, and compliance can stretch your team thin, and mistakes are costly.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | OASISoasisadvantage.com HQ: West Palm Beach, FL, United StatesReported employees: 501-1,000 | West Palm Beach, FL, United States | 501-1,000 | Exact match | 828 contacts → |
“Oasis, A Paychex Company, is a leading Professional Employer Organization (PEO).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aderantaderant.com HQ: Atlanta, GA, United StatesReported employees: 501-1,000 | Atlanta, GA, United States | 501-1,000 | Exact match | 802 contacts → |
“Aderant is dedicated to helping law firms run a better business.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fordharrison LLPfordharrison.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 746 contacts → |
“FordHarrison LLP - your partner in employment law.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Coadvantagecoad.com HQ: Bradenton, FL, United StatesReported employees: 201-500 | Bradenton, FL, United States | 201-500 | Exact match | 586 contacts → |
“CoAdvantage is now CoAd.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Extensishrextensishr.com HQ: Iselin, NJ, United StatesReported employees: 201-500 | Iselin, NJ, United States | 201-500 | Exact match | 353 contacts → |
“ExtensisHR, one of the largest Professional Employer Organizations (PEOs) in the U.S, is looking for talented people to join our team!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Engage PEOengagepeo.com HQ: Fort Lauderdale, FL, United StatesReported employees: 501-1,000 | Fort Lauderdale, FL, United States | 501-1,000 | Exact match | 341 contacts → |
“Engage PEO delivers comprehensive HR solutions to small and medium-sized businesses, sharpening their competitive advantage.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nextepnextep.com HQ: Norman, OK, United StatesReported employees: 201-500 | Norman, OK, United States | 201-500 | Exact match | 341 contacts → |
“Most founders don't start a business because they love navigating HR compliance, filing payroll taxes, or negotiating healthcare premiums.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Employer Flexibleemployerflexible.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 283 contacts → |
“At Employer Flexible, we’re a Professional Employer Organization (PEO) that helps businesses simplify HR, payroll, benefits, risk management, and compliance, so you can focus on…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Questco Companiesquestco.net HQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 279 contacts → |
“Outsourcing HR through a PEO is a strong option for growing businesses.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Prestigepeoprestigepeo.com HQ: Melville, NY, United StatesReported employees: 201-500 | Melville, NY, United States | 201-500 | Exact match | 264 contacts → |
“PrestigePEO empowers small and mid-sized businesses (SMBs) to simplify HR by offering end-to-end support for employee benefits management, payroll administration, workers’…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Trinet Zenefitstrinet.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 258 contacts → |
“Zenefits is a part of TriNet.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Koley Jessen P.C., L.L.Okoleyjessen.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 238 contacts → |
“Koley Jessen is a strategically growing law firm serving the needs of businesses and their owners, executives, and professionals in Nebraska and around the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Trion Solutions, INCtrionworks.com HQ: Troy, MI, United StatesReported employees: 51-200 | Troy, MI, United States | 51-200 | Exact match | 187 contacts → |
“Trion Solutions is one of the nation’s largest Professional Employer Organizations (PEOs), relieving the stress and burden of managing payroll and other HR functions so clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Groom LAW Group, Charteredgroom.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 174 contacts → |
“Groom Law Group, Chartered is widely recognized as the leading benefits law firm in the United States with over 90 attorneys dedicated solely to the practice of employee benefits…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Landrum HR Solutionslandrumhr.com HQ: Pensacola, FL, United StatesReported employees: 51-200 | Pensacola, FL, United States | 51-200 | Exact match | 169 contacts → |
“In business for over 50 years, Landrum HR Solutions is a leading HR service provider with a vision of “making the business of people easier.” We help organizations navigate…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,321 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Professional employer organizations for law 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
1,319 records in the displayed employee bands.
2 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 1,321 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 ↗
Professional employer organizations for law firms by metro
- Professional employer organizations for law firms in New York87
- Professional employer organizations for law firms in Los Angeles42
- Professional employer organizations for law firms in Tampa32
- Professional employer organizations for law firms in Atlanta30
- Professional employer organizations for law firms in Dallas28
- Professional employer organizations for law firms in Houston27
Questions about this company list
What does Exact match mean for professional employer organizations for law 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 professional employer organizations for law firms did RevenueBase find based in the United States?
The saved snapshot records 1,321 matching company records, 36,226 tracked contacts and 19,004 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
Professional employer organizations for law firms by geography
- Professional employer organizations for law firms based in Sao Paulo, Brazil
- Professional employer organizations for law firms based in Toronto, Canada
- Professional employer organizations for law firms based in Paris, France
- Professional employer organizations for law firms based in London, United Kingdom
- Professional employer organizations for law firms based in Atlanta, United States
- Professional employer organizations for law firms based in Dallas, United States
- Professional employer organizations for law firms based in Houston, United States
- Professional employer organizations for law firms based in Los Angeles, United States
- Professional employer organizations for law firms based in New York, United States
- Professional employer organizations for law firms based in Tampa, United States
- Professional employer organizations for law firms based in Brazil
- Professional employer organizations for law firms based in Canada
Cite this list
RevenueBase Data Team. Top 25 professional employer organizations for law firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/professional-employer-organizations-for-law-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
- Professional employer organizations for law firms based in Sao Paulo, Brazil
- Professional employer organizations for law firms based in Toronto, Canada
- Professional employer organizations for law firms based in Paris, France
- Professional employer organizations for law firms based in London, United Kingdom
- Professional employer organizations for law firms based in Atlanta, United States
- Professional employer organizations for law firms based in Dallas, United States