Insperity pricing overview: what the premium PEO actually costs per employee
Insperity uses a custom-quote model where every PEO proposal is tailored to the client's profile. Third-party estimates place the total per-employee cost at $230 to $300 per month, or approximately 2 to 6 percent of total payroll. This makes Insperity one of the more expensive PEOs on the market — comparable to ADP TotalSource and meaningfully more expensive than Paychex PEO, TriNet, or Justworks.
The premium reflects genuine quality differences. Insperity negotiates group benefits rates across its entire PEO client base of over 100,000 worksite employees, which gives individual client companies access to medical plans from UnitedHealthcare, Cigna, Blue Cross, and Aetna at rates a small business could never secure independently. The 401(k) program includes fiduciary advisory services and an investment menu that competes with large enterprise retirement plans.
The HR consulting model is the second premium driver. Each client gets a dedicated HR business partner — an experienced professional with typically 10+ years of HR management experience — who provides guidance on terminations, policy development, organizational design, and employment law. This is not call center support; it is strategic HR partnership that most SMBs cannot afford to hire internally.
For a 100-employee company with an average salary of $60,000, the annual PEO cost at $250 per employee per month is $300,000. That is a significant line item that requires C-level justification — but it replaces the combined cost of a 2- to 3-person HR team, benefits broker, payroll software, workers' comp management, EPLI coverage, and employment law counsel.
Insperity PEO (Full-Service): ~$230–$300/employee/month (estimated) (PEO co-employment, payroll, Fortune 500-level benefits, HR consulting, compliance, workers' comp, EPLI, performance management, employee assistance)
Pricing source: official pricing page, verified 2026-03-17.