How to Do a PEO Audit — and When It Makes Sense to Switch

Most businesses that end up overpaying for their PEO don’t realize it until a year or two into the relationship. The initial setup felt smooth, the benefits seem fine, and payroll runs on time — so there’s no obvious signal that something is off. But costs creep up, service quality drifts, and the PEO that made sense at 20 employees may not be the right fit at 80.

A PEO audit doesn’t require being in crisis. It just requires asking the right questions at the right time.

What a PEO Audit Actually Involves

A thorough PEO review looks at four things: cost, service quality, benefits competitiveness, and contract terms. You’re checking whether what you’re paying is aligned with market rates, whether the service you’re receiving matches what was promised, whether your benefits package is competitive enough to support hiring and retention, and whether your contract terms give you flexibility if you decide to make a change.

Cost: Are You Paying Market Rates?

PEO pricing is expressed either as a percentage of gross payroll (typically 2–6%) or as a per-employee-per-month fee (typically $100–$200+). The most common issue I see isn’t a dramatically inflated rate — it’s a rate that made sense at signing but was never renegotiated as the company grew. PEO pricing generally improves as headcount increases, and providers are often willing to negotiate at renewal if you ask. Most people don’t ask.

Workers’ Comp: A Specific Area Worth Reviewing

Workers’ compensation is one of the least transparent components of a PEO relationship, and it’s where I most commonly find meaningful savings. Your rate should reflect your actual workforce risk profile and claims history. Ask your PEO for your rate by classification code and compare it to what you’d pay in the open market. If there’s a significant gap, it’s worth exploring alternatives.

Service Quality: What Are You Actually Getting?

When you have a compliance question, how quickly do you get a real answer? When an employee has a benefits issue, is it resolved efficiently? When you’re hiring in a new state, does the PEO proactively flag what you need to know? If the answer is ‘figure it out ourselves,’ that’s a signal worth paying attention to.

When Does It Make Sense to Switch?

Switching PEOs has a real cost — in time, transition effort, and occasionally in direct fees. It’s worth it when the combination of overpaying, under-service, and benefits gaps adds up to more than the switching cost over a 12–24 month horizon. The right time to evaluate is 60–90 days before your contract anniversary. That’s when you have the most leverage and the most options.

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