AI Rankings · Professional Services

ChatGPT's shortlist: HR outsourcing and PEO providers, market by market

HR outsourcing and PEO providers take on payroll, benefits, compliance and HR administration for employers, often as a co-employer that gives small companies access to large-group benefits.

5markets live
120ChatGPT answers read
30 Oct 2026latest snapshot

Across markets

Named in the most markets

  1. Insperitytop 20 in 5 of 5 · #1 in 2
  2. TriNettop 20 in 5 of 5 · #1 in 1
  3. Justworkstop 20 in 5 of 5
  4. Paychex PEOtop 20 in 3 of 5
  5. Ripplingtop 20 in 2 of 5
  6. Group Management Servicestop 20 in 2 of 5
  7. Sequoiatop 20 in 2 of 5
  8. American One Sourcetop 20 in 2 of 5
  9. CLEAR Employer Servicestop 20 in 1 of 5 · #1 in 1
  10. ExtensisHRtop 20 in 1 of 5 · #1 in 1

Nationwide

Snapshot 16 Oct 2026 · 24 answers · 15 named

United States

  1. Insperity88%
  2. TriNet88%
  3. Justworks88%

No Leader yet

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By state

Snapshot 16 Oct 2026 · 24 answers · 17 named

California

  1. TriNet88%
  2. Insperity88%
  3. Justworks83%

Leader: TriNet

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Snapshot 23 Oct 2026 · 24 answers · 17 named

New Jersey

  1. ExtensisHR79%
  2. Justworks67%
  3. Insperity67%

Leader: ExtensisHR

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Snapshot 30 Oct 2026 · 24 answers · 17 named

Pennsylvania

  1. CLEAR Employer Services88%
  2. Paychex PEO88%
  3. Insperity83%

Leader: CLEAR Employer Services

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Snapshot 10 Oct 2026 · 24 answers · 14 named

Texas

  1. Insperity88%
  2. Employer Flexible58%
  3. Justworks54%

Leader: Insperity

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Coming next

Ohio · Illinois · Michigan · Indiana · Maryland · Virginia · Washington, DC · New York · Florida · Massachusetts · Minnesota · Wisconsin · Connecticut · Rhode Island