Company lists · Data refreshed September 2026

Top 15 HR outsourcing firms based in St. Louis, United States

RevenueBase identified 40 company matches for HR outsourcing firms associated with St. Louis, United States as of September 2026 and tracks 414 professional contacts across them, including 93 with verified work emails. Across the United States, New York is the largest hub for this category (417 companies); St. Louis has 40.

This list covers company matches for HR outsourcing firms associated with St. Louis, 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 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 30, 2026 How this list was built
40Companies
414Contacts tracked
93Verified emails
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The 15 largest HR outsourcing firms based in St. Louis, United States

Ranked by team size
Top 15 of 40 company matches for HR outsourcing firms based in St. Louis, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-200203 contacts →

Exact match

“Accounting Career Consultants has been providing direct-hire, consulting, and temporary placement services since 1985.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-20027 contacts →

Exact match

“BenManage provides large business with manageable HR and benefit enrollment solutions.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-20020 contacts →

Exact match

“SynchronyHR is a human resources outsourcing firm serving business owners across the country.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-5012 contacts →

Exact match

“TAI-CHI Consulting is a full-service HR and IT consulting and staffing firm.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-5011 contacts →

Exact match

“At PACE Staffing Alternatives, we recruit for all levels of IT, accounting, finance, human resources, administrative and supply chain.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-1010 contacts →

Exact match

“We help growth-stage businesses build teams that perform-without constant oversight.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-509 contacts →

Exact match

“Orbitar is a leading consultancy specializing in HRIS and ATS integration, software implementation, and API support.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-506 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-106 contacts →

Exact match

“EnabledForce is the staffing industry's X Factor.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-105 contacts →

Exact match

“At Taligent, we define our success through our ability to help our clients achieve their goals through customized HR and Talent solutions and services.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-505 contacts →

Exact match

“Talent Assessment & Development (TAD) helps organizations integrate their talent management efforts into a coherent strategy.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-504 contacts →

Exact match

“Our mission is to empower employers with seamless technology and individually dedicated support to help manage their most important asset, their people.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-504 contacts →

Exact match

“For more than 26 years, LFI Staffing inc.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-103 contacts →

Exact match

“Specialized financial operations firm providing outsourced accounting, compliance support, reporting systems, and operational workflow design for mission-driven and operationally…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-101 contacts →

Exact match

“Lighter Living Virtual Solutions is a boutique recruitment agency that offers strategic planning, operations support and hiring services that match established businesses with the…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 15 of 40 HR outsourcing firms based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 93 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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HR outsourcing firms based in St. Louis, United States at a glance

As of Sep 30, 2026
22.5%Verified-email coverage
10.3Average contacts per company
1-10Median size (employees)
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
12
51-200
4
10001+
1

Email recency for this list is measured across the whole United States list rather than for St. Louis, so it is reported there. Company counts and contact totals on this page are exact for St. Louis, over 40 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 St. Louis, United States whose business descriptions match “HR outsourcing 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 93 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 30, 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.

HR outsourcing firms by metro in the United States

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 “HR outsourcing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many HR outsourcing firms are there based in St. Louis, United States?

RevenueBase identified 40 company matches for HR outsourcing firms associated with St. Louis, 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?

Accounting Career Consultants & HR Career Consultants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most HR outsourcing firms?

New York leads the United States with 417 company records, followed by Atlanta (236) and Houston (217). St. Louis has 40.

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 93 professional contacts with verified work emails tracked across these 40 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 30, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.