Company lists · Data refreshed September 2026
Top 13 Payroll and HR outsourcing companies based in Atlanta, United States
RevenueBase identified 37 payroll and HR outsourcing companies headquartered in Atlanta, United States as of September 2026 and tracks 343 professional contacts across them, including 61 with verified work emails. Across the United States, Houston is the largest hub for this category (48 companies); Atlanta has 37.
This list covers payroll and HR outsourcing companies headquartered in Atlanta, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 13 largest payroll and HR outsourcing companies based in Atlanta, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 54 contacts → | ||||
Partial evidence “APN Group (Accounting Professionals Network, Inc.) is an Atlanta-based consulting firm of finance, accounting and HR professionals on a mission to help small and medium businesses…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 32 contacts → | ||||
Strong evidence “MY HR is a full-service professional Human Resource consulting firm offering staff augmentation, Recruitment Process Outsourcing (RPO), Payroll Services, and a full range of HR…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 12 contacts → | ||||
Partial evidence “OnPay is a fast-growing software company that offers small businesses and accountants the best payroll in the cloud backed up by a team of helpful, friendly experts.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 10 contacts → | ||||
Strong evidence “TreeRing delivers best-in-class technology and support to organizations of all sizes in the public and private sector to meet their complex HR, payroll, talent management…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 8 contacts → | ||||
Partial evidence “One source for all your HR needs" OneHRSource is a consulting firm specializing in the customization of human resources and benefits management based on each client’s requirements.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 contacts → | ||||
Partial evidence “Cannae HR Solutions provides human resource-related operational and consulting services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4 contacts → | ||||
Partial evidence “Ultra HR Solutions strives to positively influence the workplace by developing professionals and helping businesses cultivate supportive, engaging environments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3 contacts → | ||||
Indirect evidence “An independent PEO advisory firm dedicated to helping small and mid-sized businesses simplify employment and scale with confidence.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 2 contacts → | ||||
Partial evidence “We are a full service HR Consulting Firm, working to provide small business and entrepreneurs with the HR resources they need to maintain compliance while growing their dream.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1 contacts → | ||||
Indirect evidence “At AcuPay, we recognize the high importance of making our customers’ lives simpler, easier and more efficient.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1 contacts → | ||||
Partial evidence “Welcome to Action HR Consulting, your trusted partner in navigating the complex world of human resources!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1 contacts → | ||||
Partial evidence “Grayfinn Human Resources Solutions (GHRS) is an HR consulting firm built on two guiding principles: to help organizations become more successful in meeting their investors’…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: payroll and HR outsourcing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names payroll and HR outsourcing companies.
- Partial evidence
- Its own public description names part of payroll and HR outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name payroll and HR outsourcing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 13 of 37 payroll and HR outsourcing companies based in Atlanta, United States
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Payroll and HR outsourcing companies based in Atlanta, United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Atlanta, so it is reported there. Company counts and contact totals on this page are exact for Atlanta, over 37 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among payroll and HR outsourcing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Atlanta, United States whose own description of what they do matches “payroll and HR outsourcing companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names payroll and HR outsourcing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among payroll and HR outsourcing companies, and records with no verified work email. Companies headquartered outside Atlanta are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 61 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Payroll and HR outsourcing companies by metro in the United States
- Payroll and HR outsourcing companies in Houston48
- Payroll and HR outsourcing companies in New York48
- Payroll and HR outsourcing companies in Miami37
- Payroll and HR outsourcing companies in Los Angeles33
- Payroll and HR outsourcing companies in Tampa32
- Payroll and HR outsourcing companies in Denver31
- Payroll and HR outsourcing companies in Chicago27
- Payroll and HR outsourcing companies in San Diego26
- Payroll and HR outsourcing companies in Dallas25
- Payroll and HR outsourcing companies in Phoenix25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names payroll and HR outsourcing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many payroll and HR outsourcing companies are there based in Atlanta, United States?
RevenueBase identified 37 payroll and HR outsourcing companies headquartered in Atlanta, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
APN Group, headquartered in Atlanta, tops this list with the largest team on record.
Which city in the United States has the most payroll and HR outsourcing companies?
Houston leads the United States with 48 headquartered companies, followed by New York (48) and Atlanta (37).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 61 verified decision-maker contacts tracked across these 37 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.
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