Rankings updated Oct 27, 202627 PEOs scored15 IRS-certifiedNo pay-to-rank. How scoring works
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3 PEOs · updated Oct 27, 2026

Staffing company PEO rankings, 2026

Staffing firms are a hard sell for most PEOs. These accept them; none publishes pricing, so certification decides the order.

RankPEOPriceCertificationMinimumTrust Score
1Vensure Employer SolutionsVensure (private equity-backed)Quote onlyCPEO: Check entityESAC: Not confirmedNot published22E
2Cornerstone PEOCornerstoneQuote onlyCPEO: NoESAC: Not confirmedNot published6E
3Key HRKey HRQuote onlyCPEO: Not confirmedESAC: Not confirmedNot published6E

Compare these PEOs

3 of 3 PEOs

PEO admin fee, per employee per month

Bars span the low-to-high range; a dot is a single published price. Admin fees only: benefits, workers' comp and state taxes are extra. Click a row to compare.

Published by the PEOThird-party estimateQuote onlyNo public figure
Vensure Employer SolutionsQuote only—
Cornerstone PEOQuote only—
Key HRQuote only—
$0$50$100$150$200$250

Rippling PEO adds a platform fee (about $35 plus $8 per user). Insperity reports an onboarding fee of about $500–$2,000.

Comparing 3
Trust Score
22 / 100
6 / 100
6 / 100
Price
Quote onlyQuote, varies by brand
Quote onlyQuote
Quote onlyQuote
Pricing
Quote only
Quote only
Quote only
Certification
CPEO: Check entityESAC: Not confirmed
CPEO: NoESAC: Not confirmed
CPEO: Not confirmedESAC: Not confirmed
Minimum
Not published
Not published
Not published
Best fit
5–50 employees
5–500 employees
5–500 employees
Contract
Varies by brand
Not published
Not published
Coverage
National
Not published
Florida-based
Industries
Staffing, Professional services
Staffing
Staffing
Strengths
National reach, 161,000+ businesses · Staffing alliance covers all states plus Canada and Mexico
Staffing focus
Staffing focus
Watch out for
Service varies across acquired brands · Check which entity holds certification
Not on the IRS CPEO list · Pricing not published
Pricing and certification not published
Details

Questions buyers ask

Do staffing PEOs publish prices?

None of the staffing-focused PEOs we track publishes a price. Expect quotes based on workers' comp class codes and payroll volume.

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