Company lists · Data refreshed September 2026
Top 25 Payroll processing outsourcing companies based in the United States
RevenueBase identified 1,012 company matches for payroll processing outsourcing companies associated with the United States as of September 2026 and tracks 100,783 professional contacts across them, including 36,583 with verified work emails and 26,644 with mobile numbers. New York is the largest hub.
This list covers company matches for payroll processing outsourcing companies 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 5, 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 payroll processing outsourcing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 84,166 contacts → | ||||
Exact match “Designing better ways to work through cutting-edge products, premium services and exceptional experiences that enable people to reach their full potential.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 2 | 3,543 contacts → | ||||
Exact match “Gusto has been growing the small business economy for 15+ years.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 3 | 586 contacts → | ||||
Exact match “CoAdvantage is now CoAd.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 4 | 535 contacts → | ||||
Exact match “We provide comprehensive HR solutions to companies of all sizes throughout the United States.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 5 | 436 contacts → | ||||
Exact match “PrismHR creates exceptional software and services, empowering human resource outsourcing service providers such as Professional Employer Organizations (PEOs) and HR outsourcers to…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 6 | 291 contacts → | ||||
Exact match “Employers need a partner they can rely on to face today’s new challenges.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 7 | 279 contacts → | ||||
Exact match “Outsourcing HR through a PEO is a strong option for growing businesses.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 8 | 276 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 5, 2026 · View company records in RevenueBase | |||||
| 9 | 271 contacts → | ||||
Exact match “Inova Payroll is a leading employer services company, integrating payroll and human capital management (HCM) technology with personalized support and full-service HR outsourcing.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 10 | 213 contacts → | ||||
Exact match “TEAM Risk Management Strategies is the nation’s leading provider of comprehensive, outsourced payroll and human resources services for fiduciaries and advisors whose clients have…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 11 | 197 contacts → | ||||
Exact match “Dominion Payroll is a leader in payroll and human resource solutions for clients nationwide.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 12 | 189 contacts → | ||||
Exact match “At APS, our mission is simple: to make payroll and HR easier.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 13 | 159 contacts → | ||||
Exact match “Ovation Payroll is now Heartland Payroll.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 14 | 155 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 5, 2026 · View company records in RevenueBase | |||||
| 15 | 155 contacts → | ||||
Exact match “ConnectPay empowers small businesses across America through hassle-free payroll processing.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 16 | 149 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 5, 2026 · View company records in RevenueBase | |||||
| 17 | 126 contacts → | ||||
Exact match “At Corporate Payroll Services, we relieve you of the burden of processing payroll.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 18 | 125 contacts → | ||||
Exact match “US payroll, EOR, Contractor Management and Global Bill Pay in one platform for a global workforce.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 19 | 124 contacts → | ||||
Exact match “Check is a payroll-as-a-service API that lets you embed payroll directly in your vertical SaaS, HR, or time-tracking platform.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 20 | 123 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 5, 2026 · View company records in RevenueBase | |||||
| 21 | 117 contacts → | ||||
Exact match “We source & screen worldwide talent, hire them on your behalf, consolidate payroll & compliance, and provide stellar onboarding support.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 22 | 116 contacts → | ||||
Exact match “UZIO | UZIO.ai Empowering People.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 23 | 113 contacts → | ||||
Exact match “HR starts with human.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 24 | 101 contacts → | ||||
Exact match “Complete Payroll, HR Services, Insurance Services, Retirement Plan Services and Workforce Management Solutions.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 25 | 89 contacts → | ||||
Exact match “Payroll and HR” Recorded in the RevenueBase company graph · Sep 5, 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 “payroll processing outsourcing companies”. 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 1,012 payroll processing outsourcing companies based in the United States
See the full list, filter by size, metro and specialty, and access 36,583 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Payroll processing outsourcing companies based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 “payroll processing outsourcing companies” 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 36,583 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 5, 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 “payroll processing outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many payroll processing outsourcing companies are there based in the United States?
RevenueBase identified 1,012 company matches for payroll processing outsourcing companies 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?
ADP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most payroll processing outsourcing companies?
New York leads with 23 company records, followed by Houston (14) and Los Angeles (12).
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 36,583 professional contacts with verified work emails tracked across these 1,012 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,012 payroll processing outsourcing companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Payroll processing outsourcing companies by geography
- Payroll processing outsourcing companies based in France
- Payroll processing outsourcing companies based in the United Kingdom
- Payroll processing outsourcing companies based in the Netherlands
- Payroll processing outsourcing companies based in Brazil
- Payroll processing outsourcing companies based in Italy
- Payroll processing outsourcing companies based in Germany
- Payroll processing outsourcing companies based in South Africa
- Payroll processing outsourcing companies based in Mexico
- Payroll processing outsourcing companies based in Poland
- Payroll processing outsourcing companies based in Australia
- Payroll processing outsourcing companies based in Sweden
- Payroll processing outsourcing companies 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
- Payroll processing outsourcing companies based in France
- Payroll processing outsourcing companies based in the United Kingdom
- Payroll processing outsourcing companies based in the Netherlands
- Payroll processing outsourcing companies based in Brazil
- Payroll processing outsourcing companies based in Italy
- Payroll processing outsourcing companies based in Germany
Company intelligence · public preview
Top 25 payroll processing outsourcing companies 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 1,012 matching company records for payroll processing outsourcing companies based in the United States, with 100,783 tracked contacts and 36,583 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 5, 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 payroll processing outsourcing companies 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 |  ADPadp.comHQ: Roseland, NJ, United StatesReported employees: 10001+ | Roseland, NJ, United States | 10001+ | Exact match | 84,166 contacts → |
“Designing better ways to work through cutting-edge products, premium services and exceptional experiences that enable people to reach their full potential.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  GUSTOgusto.comHQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 3,543 contacts → |
“Gusto has been growing the small business economy for 15+ years.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Group Management Services, INCgroupmgmt.comHQ: Richfield, OH, United StatesReported employees: 501-1,000 | Richfield, OH, United States | 501-1,000 | Exact match | 535 contacts → |
“We provide comprehensive HR solutions to companies of all sizes throughout the United States.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Prismhrprismhr.comHQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 436 contacts → |
“PrismHR creates exceptional software and services, empowering human resource outsourcing service providers such as Professional Employer Organizations (PEOs) and HR outsourcers to…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Experian Employer Servicesexperian.comHQ: Costa Mesa, CA, United StatesReported employees: 501-1,000 | Costa Mesa, CA, United States | 501-1,000 | Exact match | 291 contacts → |
“Employers need a partner they can rely on to face today’s new challenges.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Surepayrollsurepayroll.comHQ: Rochester, NY, United StatesReported employees: 201-500 | Rochester, NY, United States | 201-500 | Exact match | 276 contacts → |
“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 description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  INOVAinovapayroll.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 271 contacts → |
“Inova Payroll is a leading employer services company, integrating payroll and human capital management (HCM) technology with personalized support and full-service HR outsourcing.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Team Risk Management Strategiesteamemployer.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 213 contacts → |
“TEAM Risk Management Strategies is the nation’s leading provider of comprehensive, outsourced payroll and human resources services for fiduciaries and advisors whose clients have…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Dominion Payrolldominionpayroll.comHQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 197 contacts → |
“Dominion Payroll is a leader in payroll and human resource solutions for clients nationwide.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  APS Payrollapspayroll.comHQ: Shreveport, LA, United StatesReported employees: 201-500 | Shreveport, LA, United States | 201-500 | Exact match | 189 contacts → |
“At APS, our mission is simple: to make payroll and HR easier.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Heartland Payrollheartland.usHQ: Rochester, NY, United StatesReported employees: 1,001-5,000 | Rochester, NY, United States | 1,001-5,000 | Exact match | 159 contacts → |
“Ovation Payroll is now Heartland Payroll.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Greenshades Softwaregreenshades.comHQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 155 contacts → |
“Greenshades delivers purpose-built workforce management solutions for organizations where workforce complexity is the norm, not the exception.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Connectpay Payroll Servicesconnectpayusa.comHQ: Mansfield, MA, United StatesReported employees: 201-500 | Mansfield, MA, United States | 201-500 | Exact match | 155 contacts → |
“ConnectPay empowers small businesses across America through hassle-free payroll processing.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Payroll Vaultpayrollvault.comHQ: Littleton, CO, United StatesReported employees: 11-50 | Littleton, CO, United States | 11-50 | Exact match | 149 contacts → |
“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 description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Corporate Payroll Servicescpsgo.comHQ: Peachtree Corners, GA, United StatesReported employees: 51-200 | Peachtree Corners, GA, United States | 51-200 | Exact match | 126 contacts → |
“At Corporate Payroll Services, we relieve you of the burden of processing payroll.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Niural AIniural.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 125 contacts → |
“US payroll, EOR, Contractor Management and Global Bill Pay in one platform for a global workforce.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  CHECKcheckhq.comHQ: New York, CA, United StatesReported employees: 51-200 | New York, CA, United States | 51-200 | Exact match | 124 contacts → |
“Check is a payroll-as-a-service API that lets you embed payroll directly in your vertical SaaS, HR, or time-tracking platform.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Avitus Groupavitusgroup.comHQ: Billings, MT, United StatesReported employees: 201-500 | Billings, MT, United States | 201-500 | Exact match | 123 contacts → |
“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 description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  hkr.teamhkr.teamHQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 117 contacts → |
“We source & screen worldwide talent, hire them on your behalf, consolidate payroll & compliance, and provide stellar onboarding support.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Uzio Technology INCuzio.comHQ: Great Falls, VA, United StatesReported employees: 51-200 | Great Falls, VA, United States | 51-200 | Exact match | 116 contacts → |
“UZIO | UZIO.ai Empowering People.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Coastal Payrollcoastalpayroll.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 113 contacts → |
“HR starts with human.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Payentrypayentry.comHQ: Peachtree Corners, GA, United StatesReported employees: 201-500 | Peachtree Corners, GA, United States | 201-500 | Exact match | 101 contacts → |
“Complete Payroll, HR Services, Insurance Services, Retirement Plan Services and Workforce Management Solutions.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Zuma Payroll And HRzumapay.comHQ: Melville, NY, United StatesReported employees: 11-50 | Melville, NY, United States | 11-50 | Exact match | 89 contacts → |
“Payroll and HR” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,012 company matches
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Payroll processing outsourcing companies: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,009 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 5, 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 ↗
Questions about this company list
What does Exact match mean for payroll processing outsourcing companies?
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 payroll processing outsourcing companies did RevenueBase find based in the United States?
The saved snapshot records 1,012 matching company records, 100,783 tracked contacts and 36,583 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 5, 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
Payroll processing outsourcing companies by geography
- Payroll processing outsourcing companies based in France
- Payroll processing outsourcing companies based in the United Kingdom
- Payroll processing outsourcing companies based in the Netherlands
- Payroll processing outsourcing companies based in Brazil
- Payroll processing outsourcing companies based in Italy
- Payroll processing outsourcing companies based in Germany
- Payroll processing outsourcing companies based in South Africa
- Payroll processing outsourcing companies based in Mexico
- Payroll processing outsourcing companies based in Poland
- Payroll processing outsourcing companies based in Australia
- Payroll processing outsourcing companies based in Sweden
- Payroll processing outsourcing companies based in Canada
Cite this list
RevenueBase Data Team. Top 25 payroll processing outsourcing companies based in the United States. Snapshot: September 5, 2026. https://revenuebase.ai/companies/payroll-processing-outsourcing-companies/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
- Payroll processing outsourcing companies based in France
- Payroll processing outsourcing companies based in the United Kingdom
- Payroll processing outsourcing companies based in the Netherlands
- Payroll processing outsourcing companies based in Brazil
- Payroll processing outsourcing companies based in Italy
- Payroll processing outsourcing companies based in Germany
Company intelligence · public preview
Top 25 payroll processing outsourcing companies based in the United States
RevenueBase records 1,012 matching company records for payroll processing outsourcing companies based in the United States, with 100,783 tracked contacts and 36,583 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 5, 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 payroll processing outsourcing companies 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 | ADPadp.com HQ: Roseland, NJ, United StatesReported employees: 10001+ | Roseland, NJ, United States | 10001+ | Exact match | 84,166 contacts → |
“Designing better ways to work through cutting-edge products, premium services and exceptional experiences that enable people to reach their full potential.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | GUSTOgusto.com HQ: San Francisco, CA, United StatesReported employees: 1,001-5,000 | San Francisco, CA, United States | 1,001-5,000 | Exact match | 3,543 contacts → |
“Gusto has been growing the small business economy for 15+ years.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Group Management Services, INCgroupmgmt.com HQ: Richfield, OH, United StatesReported employees: 501-1,000 | Richfield, OH, United States | 501-1,000 | Exact match | 535 contacts → |
“We provide comprehensive HR solutions to companies of all sizes throughout the United States.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Prismhrprismhr.com HQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 436 contacts → |
“PrismHR creates exceptional software and services, empowering human resource outsourcing service providers such as Professional Employer Organizations (PEOs) and HR outsourcers to…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Experian Employer Servicesexperian.com HQ: Costa Mesa, CA, United StatesReported employees: 501-1,000 | Costa Mesa, CA, United States | 501-1,000 | Exact match | 291 contacts → |
“Employers need a partner they can rely on to face today’s new challenges.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Surepayrollsurepayroll.com HQ: Rochester, NY, United StatesReported employees: 201-500 | Rochester, NY, United States | 201-500 | Exact match | 276 contacts → |
“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 description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | INOVAinovapayroll.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 271 contacts → |
“Inova Payroll is a leading employer services company, integrating payroll and human capital management (HCM) technology with personalized support and full-service HR outsourcing.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Team Risk Management Strategiesteamemployer.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 213 contacts → |
“TEAM Risk Management Strategies is the nation’s leading provider of comprehensive, outsourced payroll and human resources services for fiduciaries and advisors whose clients have…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dominion Payrolldominionpayroll.com HQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 197 contacts → |
“Dominion Payroll is a leader in payroll and human resource solutions for clients nationwide.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | APS Payrollapspayroll.com HQ: Shreveport, LA, United StatesReported employees: 201-500 | Shreveport, LA, United States | 201-500 | Exact match | 189 contacts → |
“At APS, our mission is simple: to make payroll and HR easier.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Heartland Payrollheartland.us HQ: Rochester, NY, United StatesReported employees: 1,001-5,000 | Rochester, NY, United States | 1,001-5,000 | Exact match | 159 contacts → |
“Ovation Payroll is now Heartland Payroll.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Greenshades Softwaregreenshades.com HQ: Jacksonville, FL, United StatesReported employees: 201-500 | Jacksonville, FL, United States | 201-500 | Exact match | 155 contacts → |
“Greenshades delivers purpose-built workforce management solutions for organizations where workforce complexity is the norm, not the exception.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Connectpay Payroll Servicesconnectpayusa.com HQ: Mansfield, MA, United StatesReported employees: 201-500 | Mansfield, MA, United States | 201-500 | Exact match | 155 contacts → |
“ConnectPay empowers small businesses across America through hassle-free payroll processing.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Payroll Vaultpayrollvault.com HQ: Littleton, CO, United StatesReported employees: 11-50 | Littleton, CO, United States | 11-50 | Exact match | 149 contacts → |
“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 description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Corporate Payroll Servicescpsgo.com HQ: Peachtree Corners, GA, United StatesReported employees: 51-200 | Peachtree Corners, GA, United States | 51-200 | Exact match | 126 contacts → |
“At Corporate Payroll Services, we relieve you of the burden of processing payroll.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Niural AIniural.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 125 contacts → |
“US payroll, EOR, Contractor Management and Global Bill Pay in one platform for a global workforce.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CHECKcheckhq.com HQ: New York, CA, United StatesReported employees: 51-200 | New York, CA, United States | 51-200 | Exact match | 124 contacts → |
“Check is a payroll-as-a-service API that lets you embed payroll directly in your vertical SaaS, HR, or time-tracking platform.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Avitus Groupavitusgroup.com HQ: Billings, MT, United StatesReported employees: 201-500 | Billings, MT, United States | 201-500 | Exact match | 123 contacts → |
“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 description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | hkr.teamhkr.team HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 117 contacts → |
“We source & screen worldwide talent, hire them on your behalf, consolidate payroll & compliance, and provide stellar onboarding support.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Uzio Technology INCuzio.com HQ: Great Falls, VA, United StatesReported employees: 51-200 | Great Falls, VA, United States | 51-200 | Exact match | 116 contacts → |
“UZIO | UZIO.ai Empowering People.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Coastal Payrollcoastalpayroll.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 113 contacts → |
“HR starts with human.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Payentrypayentry.com HQ: Peachtree Corners, GA, United StatesReported employees: 201-500 | Peachtree Corners, GA, United States | 201-500 | Exact match | 101 contacts → |
“Complete Payroll, HR Services, Insurance Services, Retirement Plan Services and Workforce Management Solutions.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Zuma Payroll And HRzumapay.com HQ: Melville, NY, United StatesReported employees: 11-50 | Melville, NY, United States | 11-50 | Exact match | 89 contacts → |
“Payroll and HR” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,012 company matches
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Payroll processing outsourcing companies: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,009 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 5, 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 ↗
Questions about this company list
What does Exact match mean for payroll processing outsourcing companies?
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 payroll processing outsourcing companies did RevenueBase find based in the United States?
The saved snapshot records 1,012 matching company records, 100,783 tracked contacts and 36,583 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 5, 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
Payroll processing outsourcing companies by geography
- Payroll processing outsourcing companies based in France
- Payroll processing outsourcing companies based in the United Kingdom
- Payroll processing outsourcing companies based in the Netherlands
- Payroll processing outsourcing companies based in Brazil
- Payroll processing outsourcing companies based in Italy
- Payroll processing outsourcing companies based in Germany
- Payroll processing outsourcing companies based in South Africa
- Payroll processing outsourcing companies based in Mexico
- Payroll processing outsourcing companies based in Poland
- Payroll processing outsourcing companies based in Australia
- Payroll processing outsourcing companies based in Sweden
- Payroll processing outsourcing companies based in Canada
Cite this list
RevenueBase Data Team. Top 25 payroll processing outsourcing companies based in the United States. Snapshot: September 5, 2026. https://revenuebase.ai/companies/payroll-processing-outsourcing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Payroll processing outsourcing companies based in France
- Payroll processing outsourcing companies based in the United Kingdom
- Payroll processing outsourcing companies based in the Netherlands
- Payroll processing outsourcing companies based in Brazil
- Payroll processing outsourcing companies based in Italy
- Payroll processing outsourcing companies based in Germany