Disclosure: PEO Clarify is an independent advisory. Six PEOs (ADP TotalSource, TriNet, Paychex, G&A Partners, Justworks, Rippling) pay us a broker commission when we place clients with them. The pricing ranges in this article reflect market data we see across those partners and from the ~40 additional PEOs we track.
Every week I read PEO proposals that are technically accurate and commercially misleading. Not because the salesperson lied — because the business owner does not know what is normal, so the rep has no pressure to tighten the pricing.
This article fixes that. You will leave knowing the two pricing models, fair market ranges for your company size, what belongs in the fee versus what is a negotiable add-on, and exactly how to read a proposal so nothing sneaks past you.
The two pricing models
Every PEO uses one of two pricing structures. Both can be fair. Both can be gouged. The difference is whether you know what you are buying.
Model 1: Per Employee Per Month (PEPM)
A flat monthly administrative fee multiplied by the number of active W-2 employees. If the PEPM is $125 and you have 30 employees, your admin fee is $3,750 a month, or $45,000 a year.
Pros: Predictable. Easy to budget. Scales linearly with headcount. Does not penalize you for high wages.
Cons: Does not scale down for part-time workers in some contracts (though most now pro-rate). Fixed cost regardless of whether a month is lighter on payroll.
Model 2: Percentage of Payroll
A percentage applied to gross payroll. If the percentage is 4 percent and your monthly gross payroll is $180,000, your admin fee is $7,200.
Pros: Scales with business reality. In slow months, fee goes down.
Cons: Punishes high-wage businesses. A 10-person law firm with $150k average salaries pays the same admin fee as a 50-person restaurant at $30k average — except the law firm gets way less administrative work done for the money.
Rule of thumb: If your average wage is above $75k, fight for PEPM. If your average wage is below $50k, percentage-of-payroll often comes out slightly cheaper. Above $100k average wage and you should refuse percentage-of-payroll pricing entirely.
What are fair market rates?
Here is what we see across the market in 2026, by company size. These are admin fee ranges only — not total cost, which includes benefits, workers comp, and retirement contributions.
| Company Size | PEPM Range | % of Payroll Range |
|---|---|---|
| 5 to 25 employees | $110 to $200 | 4.0% to 9.0% |
| 26 to 50 employees | $90 to $165 | 3.5% to 7.5% |
| 51 to 100 employees | $75 to $140 | 3.0% to 6.5% |
| 101 to 250 employees | $60 to $120 | 2.5% to 5.5% |
| 251 to 500 employees | $50 to $100 | 2.0% to 4.5% |
| 500+ employees | $40 to $90 | 1.5% to 3.5% |
If your PEPM proposal came in above the top of your range, you are being quoted at a premium. That is not automatically bad — premium service can be worth it. But you should know you are at the top and push back. If it came in below the bottom, read the contract carefully. Some PEOs lowball the admin fee and make it up on benefit plan spreads you will not notice for a year.
What is actually included in the PEPM or percentage fee?
The admin fee should include all of the following. If any of these are listed as separate line items in a proposal, that is a flag:
- Payroll processing (weekly, bi-weekly, semi-monthly, monthly)
- All federal, state, and local tax filings and remittance
- Year-end W-2 production and delivery
- State unemployment insurance administration
- New hire reporting to state agencies
- I-9 compliance and E-Verify if applicable
- Multi-state tax registration maintenance
- Benefits administration and enrollment
- HRIS platform access
- Basic employee self-service portal
- Standard HR compliance support
- Employee handbook development or review
- Termination support and documentation
What belongs separately (but should be disclosed up front)
These line items are legitimate separate costs or pass-throughs. They should appear clearly in your proposal:
- Health, dental, vision, life, disability premiums (actual insurance costs, not PEO markup)
- Workers compensation premium (class-code-specific; set by the PEO's master carrier)
- 401(k) plan administration (usually a per-participant fee of $4 to $8 PEPM on top of admin)
- 401(k) advisory/recordkeeping fees (if a third-party provider)
- FSA/HSA administration (small per-account fee)
- State-specific compliance fees (e.g., CA, NY, NJ may have additional state-imposed PEO fees)
- Implementation fee (one-time, usually $250 to $1,500 depending on size)
The line items worth negotiating
These are not fixed. Every one of them is on the table and good advisors win concessions on all of them:
- Admin fee reductions. A 10 to 15 percent admin fee reduction from initial proposal is common when you bring competitive quotes.
- Annual rate-increase caps. Good contracts cap annual benefit rate increases at 3 to 5 percent. Bad contracts say "rates subject to annual review." Fight for the cap.
- Renewal term length. Most PEOs default to 12-month auto-renewal. Push for either shorter renewals or cleaner exit terms.
- Exit clause terms. 30 days instead of 60 or 90. No financial penalties for early termination.
- Implementation fee. Often waived for clients who bring committed projected headcount growth.
- Benefits plan selection. More PEOs than you would think will let you choose between two or three plan tiers.
- Workers comp experience mod credit. If your loss history is clean, you should benefit from it. Ask how the PEO treats your experience mod.
- Fee escalators on admin. Some contracts have a 3 percent annual admin fee escalator baked in. Negotiate it down or remove it.
What does total PEO cost look like in practice?
A 25-person professional services firm in Colorado, average wage $85k, moderate health plan utilization:
| Admin fee (PEPM $135 × 25) | $3,375 |
| Health insurance (25 × $975 blended) | $24,375 |
| Dental (25 × $45) | $1,125 |
| Vision (25 × $12) | $300 |
| Life/AD&D ($8 per person) | $200 |
| Workers comp (office class, ~$0.25 per $100 payroll) | ~$443 |
| 401(k) admin (25 × $5) | $125 |
| Total monthly | $29,943 |
| Total annual | ~$359,300 |
| Per employee per month (all-in) | ~$1,198 |
Is that a lot? It depends what you compare it against. For 25 employees getting Fortune-500-grade health benefits, dedicated HR support, compliance coverage, workers comp, and payroll — the baseline of buying the components separately in Colorado runs $1,050 to $1,350 PEPM for comparable quality.
The PEO is not magically cheaper. It is about the same money for better services, delivered by a team that specializes in this. If the PEO is significantly more expensive than building it yourself, either you are overpaying or the quality is not being priced properly.
How to read a PEO proposal
Here is the checklist I walk clients through when a proposal lands:
- Is pricing transparent? Look for a clear separation between admin fee, insurance premiums, workers comp, retirement admin, and pass-through taxes. If it is all bundled into one number, demand a breakdown.
- Is the admin fee PEPM or percentage? Know which model and that it matches your wage profile.
- What is the annual rate increase language? Look for a cap. Never sign without one.
- What is the contract term? 12 months standard. Longer is a flag.
- What is the termination notice requirement? 30 days is fair. 60 to 90 days is the current norm. Over 90 is aggressive.
- Are there early termination fees? There should not be in a well-negotiated contract.
- Are benefit plan options detailed? You should see specific plan names, carriers, premium amounts per tier, and deductibles.
- Is the workers comp class code correct? Check your NCCI class codes match what your business actually does.
- Is there an SLA on response times? Good PEOs commit to specific service level agreements.
- Who is your HR business partner? Named individual. Their caseload. Their background.
Why businesses overpay
The honest reason: lack of benchmarking. Most owners take calls from one or two PEOs, decide to move forward with the one they liked, and sign a proposal that reflects the salesperson's initial offer. No comparison, no pressure, no negotiation.
When we run competitive processes on behalf of clients, we see an average of 12 to 18 percent better economics than the first proposal any given PEO delivers. That is not because the first proposal was dishonest. It is because PEOs, like any B2B seller, quote less aggressively when they do not perceive competitive pressure.
This is the core argument for using an independent advisor: we run competitive processes on your behalf across multiple PEOs, without you having to take six sales calls. That is how we save clients money. Health insurance premium increases are an industry reality — see the Kaiser Family Foundation Employer Health Benefits Survey for baseline trends.
Frequently Asked Questions
Is PEPM or percentage of payroll cheaper?
Depends on average wage. PEPM wins when your average wage is above $75k to $80k. Percentage-of-payroll can be cheaper for lower-wage businesses. Always model both against your actual payroll.
What is a normal admin fee for a 50-person company?
Between $90 and $165 PEPM, or 3.5 to 7.5 percent of payroll. If your proposal is outside this range, ask why.
Do PEOs pad insurance premiums?
They take a small spread, usually 3 to 8 percent of premium. The question is not whether there is a spread but whether the post-spread premium is still competitive vs what you could buy independently. Usually yes because the PEO's group buying power is larger than your own.
Can I negotiate a PEO contract?
Yes. Everything except actual insurance premiums (set by carriers) is on the table. Admin fee, contract length, termination terms, rate increase caps, implementation fees — all negotiable.
How much does a PEO cost for a 10-person company?
Admin fee typically $110 to $200 PEPM. Total all-in including benefits, workers comp, and retirement administration typically $1,100 to $1,500 per employee per month depending on plan selection and geography.
What is the average PEO cost per employee?
Across our book of business, the all-in cost per employee per month (admin + benefits + workers comp + retirement admin) averages $1,000 to $1,400 for companies between 10 and 100 employees.
Are there hidden PEO fees?
Rarely hidden in the legal sense, but often buried. The most commonly missed items are implementation fees, 401(k) per-participant fees, state-specific surcharges (CA, NY, NJ), early termination fees, and annual fee escalators.
Does a PEO cost more than hiring an HR manager?
For companies under 100 employees, usually no. An experienced HR manager costs $85k to $130k fully loaded. A PEO at 25 employees runs roughly $40k in admin fee plus benefits. You get a full HR team, compliance infrastructure, and Fortune-500 benefits for less than one HR hire.
Do PEO prices go up each year?
Yes, usually 3 to 8 percent annually driven primarily by health insurance premium increases. The admin fee itself should not increase meaningfully if your contract has a cap.
What is a fair annual rate increase cap?
3 to 5 percent on admin fees. Health insurance premium increases are passed through at actual carrier rates (typically 5 to 12 percent annually depending on market).
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