Most companies join a PEO for good reasons: convenience and access to better benefits rates than they could get on their own at a small headcount. As you grow, the question shifts from "should we be on a PEO" to "when do we move to our own standalone benefits, payroll, and HR stack?"

Most articles about leaving a PEO are written to make it sound easy. Spoiler alert: it's a major project. It's also a well-worn one that, when done correctly, can have a tremendous positive impact for a scaling organization. Nava has helped hundreds of companies, of all shapes and sizes, through the transition.

This guide is split into two parts:

1. The decision framework: should you leave, and when? The math on whether going direct beats your PEPM fees, and whether the savings are worth the work of the move.
2. The brass tacks: how to leave cleanly. Timing, the tax gotchas nobody warns you about, and the one risk that can cost an employee a covered medical claim.

As always, it's worth talking to an experienced benefits professional before you decide.

Part 1: Should you leave?

Why the PEO model expires

A PEO is a great deal when you're small. You pool with hundreds of other companies, use that scale to buy health insurance you couldn't get on your own, and hand off payroll and compliance so your two-person people team (or smaller) can breathe.

The tradeoff is control for convenience. The PEO owns the benefits program. You live inside their menu, their carriers, their renewal rates, and their data.

As you grow, that value inverts. You're paying a flat per-employee fee. The benefits stay one-size-fits-all right as your workforce gets specific enough to want something better. The data you'd need to manage your own spend stays locked on their side of the wall.

That break-even point usually lands between 50 and 150 employees, depending on your company’s location. This point is where large-group pricing and alternatives like level funding open up. Sometimes it comes earlier, especially for younger, healthier workforces like tech or consulting, where your own claims experience beats the pooled rate.

Knowing the model has limits is easy. Knowing if you've hit them is the actual question. A few signs you’re ready to evaluate:

• Your headcount is past 75 and climbing
• You asked for your claims data (or even insurance rate justification) and couldn't get it
• Your last renewal arrived as a number, not a conversation with options
• Someone on your leadership team has said the words "self-funded" out loud
• Employees are asking for benefits not offered by the PEO

PEO vs. going direct

A common mistake is comparing your raw PEO spend to a carved-out benefits proposal, seeing a big gap, and calling it savings. That’s not the whole picture.

Your PEO fee isn’t just buying benefits administration. It's buying things like payroll processing, a ben-admin system, workers' comp coverage, COBRA administration, and compliance tooling. Strip the benefits out and you still need those services somewhere.

The honest comparison has two sides.

Side A: What the PEO actually costs you all-in

To understand your all-in costs with a PEO, add up:

• The PEO's admin fee (the per-employee-per-month rate): Get the real number. Many PEOs are deliberately vague here.
• Benefits premiums
• The value or replacement cost of the bundled services you genuinely use (payroll, HRIS, workers' comp, COBRA, compliance)

Side B: What going direct actually costs you

When you unbundle, the bundled costs reappear as separate line items:

• Benefits: Premiums on your own group plan, shopped by a broker. Brokers are almost always paid through carrier commissions or an equivalent advisory-fee arrangement.
• Payroll and HRIS: Implementation runs about $5,000 to $25,000+ depending on size, complexity, and vendor, as well as $5 to $25+ PEPM ongoing.
• Workers' comp and EPLI: The PEO bundled this. Now you must source your own policy.
• COBRA administration: Run it internally or outsource (recommended).
• Compliance: ACA reporting, ERISA, plan documents. Often coordinated by your broker.

A financial win means the net savings from leaving the PEO (Side A minus Side B) are positive. If you only ran the gross number, or quoted benefits without factoring in PEPM, software, COBRA, and the rest, you can overestimate the win by a wide margin and feel cheated six months later when the HRIS invoice shows up. This is something an experienced broker will help you map.

One middle path worth pricing out before you fully unbundle: many PEOs offer an ASO (administrative services only) arrangement, where they keep running payroll and HR admin while you become the employer of record and sponsor your own benefits.

What could you do with more control over your benefits program?

Set cost aside, and you’ll find a deeper reason to leave is better control. On a PEO, you live inside their menu of carriers, plan designs, and renewal logic. Owning your own program means you choose the carriers, design plans around your actual workforce, and shop the market at renewal instead of accepting a number in the mail.

Bottom line: Is it worth it to leave my PEO?

If you're at the size where a PEO exit typically starts to make sense (often around 50 to 75 employees), work with a broker to quantify the business impact before you decide.

Pro tip: Start the conversation at least six months before your renewal date to leave plenty of runway.

Part 2: Your PEO transition checklist

You've run the math and decided to go. Part 1 covered whether to leave. Part 2 covers the how: key milestones, common pitfalls, and lessons from supporting hundreds of HR teams through the transition. Done well, an exit upgrades your benefits, gives you control over your program, and lowers overall costs.

Timing: Pick a plan-year date

Most companies set their new benefits to start January 1, regardless of when the PEO renews. It lines up with the calendar plan year and sidesteps a payroll-tax quirk that bites on mid-year moves. It isn't mandatory, though.

If your PEO renews off-cycle (November 1, December 1, or mid-year dates like April 1 and July 1 are all common), you have two clean options. Exit on the renewal date, or bridge to January 1:

• Run a passive open enrollment at renewal (employees keep their plans, no action needed)
• Let coverage ride through December 31
• Move to your new plans on January 1

Either way, there's no gap in coverage.

How does this affect payroll taxes?

When you leave, employees become new hires under your own EIN, and certain wage bases reset on the transfer date: federally, Social Security (FICA) and FUTA; state unemployment (SUTA) is separate and may also reset. On January 1, that's a non-event (those bases reset with the new year anyway). Any other date can mean paying some payroll taxes twice.

This is rarely a deal-breaker, but worth timing around.

*Nava isn't a tax advisor. You’ll want to loop in a qualified CPA to confirm your specific impact.

The execution timeline

Work backward from your go-live date. For a January 1 start, you're kicking off the broker search in the spring and want your broker chosen by about five to six months out. Carrier quoting is the gating item, and it has to start by mid-summer to protect the target date. Everything else lines up behind it.

6 to 9 months out

• Pull your PEO contract and read the termination clause. Most require 60 to 90 days' written notice, but some require more, and some auto-renew if you miss a window.
• Audit your current benefits. What do people actually use? What do they complain about? You're rebuilding, so build something better, not a copy.
• Start interviewing brokers. Ask specifically about PEO-exit experience. It's a different skill than ordinary renewal management.

4 to 6 months out

• Appoint one broker to represent you. Decide five to six months out so quoting can start on time, and hand over your census and plan data to kick off. This matters more than it sounds: carriers quote a given group through a single appointed broker and won't release their best rates until one is named. Naming one broker is what gets carriers competing for your business. The competition you want is between carriers, not brokers.
• Release the RFP to carriers and start quoting. Final rates for medical insurance will be contingent on the PEO's renewal numbers being released and shared with carriers.
• Benchmark, run network and formulary checks, and make your plan-design and contribution decisions.
• Choose your payroll and HRIS replacement if the PEO ran those.
• Request all your data. Now, while the relationship is still warm and before you give notice: census, payroll history, benefits elections, and the deductible/accumulator report.
• Send formal written termination notice that meets your contract's window; don't miss an auto-renewal deadline. Keep a copy.

2 to 3 months out

• Finalize rates and plans. Your broker should have carrier quotes in hand and plan designs locked. This is also when you confirm employee contribution levels and any changes to plan offerings from what you had on the PEO.
• Stand up and validate your new ben-admin platform. Get the platform configured with your plan details, employee census, and contribution structure. Run a test enrollment before you go live so you're not troubleshooting during open enrollment.
• Build the employee communications. Employees need to know what's changing, what's staying the same, and what action they need to take. Give yourself enough lead time to produce materials, get them reviewed, and run a manager briefing before anything goes out company-wide.
• Run the passive open enrollment at your PEO renewal (if you're bridging to January 1) so current plans ride through December 31.

30 to 60 days out

• Run active open enrollment on the new plans and collect elections.
• Confirm new-coverage effective dates line up exactly with PEO termination. No gap. Have your broker own this.
• Stand up COBRA administration.
• Stand up compliance workflows: ACA reporting, RxDC, PCORI, ERISA, and plan documents. Confirm with the PEO which federal filings they handle through your termination date so nothing slips between the two of you.
• Send the employee communication: what's changing, what isn't, what they need to do, and (if you're exiting mid-year) that they'll get two W-2s and can reconcile any excess withholding on their return.

After go-live

• Confirm every enrollment is active and ID cards are issued.
• Reconcile the first carrier invoices line by line. First-month billing errors are common.
• Debrief with your broker and set a real renewal cadence so next year isn't a fire drill.
• Confirm what ongoing reporting you'll receive. On a fully insured plan at this size, it's usually limited (loss ratios and large-claim summaries, varying by carrier), so set expectations before you finalize the plan.

Key pitfalls and risks

Most of the exit risk lives in two places. One can actually hurt a person, so start there.

The coverage gap risk

Your employees come off the PEO's master health plan and onto your new one, and the two dates have to touch exactly: new coverage starts the day old coverage ends. A single day of gap means a medical event in that window may not be covered. The risk is highest exiting mid-year, with a slow-underwriting carrier, or across multiple states, and coordinating a terminating master policy with a new group contract is unforgiving work.

The rest are operational, roughly in the order they'll bite you.

The deductible and out-of-pocket reset

When you move carriers mid-year, employees can lose progress toward the deductible and out-of-pocket max. Someone who's paid down $3,000 could be back at zero. You can often negotiate a deductible credit with the new carrier, but you need the data to do it, which leads to the next point.

Get your deductible credit report before you give notice

Ask for accumulator data, census, and payroll history while the PEO still wants to be helpful. The day you send a termination letter is the day data requests start moving slowly. This is the single most common own-goal in a PEO exit, and it's completely avoidable.

Prior authorizations

Active prior authorizations don't carry to a new carrier automatically, and ongoing treatments, specialty prescriptions, and scheduled procedures can all need re-approval. Map the active ones and get them re-authorized before the switch so noone's care stops mid-stream.

Network and formulary changes

A new carrier means a new network and drug formulary, and it's the top source of post-go-live complaints: a doctor suddenly out of network, a drug on a worse tier. Compare both against your current plan before you finalize, and warn the people most affected before they hit the pharmacy counter.

Workers' comp and EPLI

Both are usually bundled into the PEO and gone the day you leave. You need your own workers' comp policy in force on day one, plus employment practices liability coverage to replace what the PEO carried. Start early. Underwriting takes time.

Your 401(k)

If the PEO ran a pooled or multiple-employer plan, unwinding your slice has its own fiduciary steps and timeline. Loop in whoever advises your plan well ahead of the exit date.

FSAs and commuter benefits

If employees have flexible spending or commuter accounts through the PEO, find out exactly what happens to those balances at termination. In some setups access ends, so warn people early about spend-down deadlines.

COBRA

Anyone on COBRA, or who goes on it during the transition, becomes your administrative responsibility. The PEO may also charge to keep managing existing COBRA participants. Know the handoff plan before, not after.

State disability and paid leave

In states that mandate it, including New York (DBL and PFL), state disability and paid leave programs are often run through the PEO and have to be re-established under your own entity before you leave.

FMLA and leave administration

If family and medical leave is administered through the PEO today, standing up your own vendor can take four or more months. This has one of the longest lead times on the whole list, so start it well before the rest.

Frequently asked questions

When is the best time to leave a PEO?

January 1 is the most common target: it lines up with the calendar plan year and keeps payroll taxes clean. But it isn't the only clean option: If your plan year renews on another date, leaving then works too and saves you from re-running open enrollment. Any move that isn't January 1 is mid-year for payroll taxes, which matters more if your PEO isn't a CPEO. Treat January 1 as a common default, not a rule.

How long does a PEO exit take?

Plan for six to nine months. Work backward from your exit date: contract review and broker selection first, program design and formal notice in the middle, then open enrollment, COBRA, and compliance stand-up in the final 30 to 60 days. Leave administration (FMLA) has the longest lead time, so start it earliest.

Will my employees get two W-2s if we leave mid-year?

Yes. A mid-year exit means wages are paid under two EINs in one year, so employees receive one W-2 from the PEO and one from you, and can reconcile any excess Social Security withholding on their personal return. Exiting January 1 avoids this.

What is a CPEO, and does it matter for my exit?

A Certified PEO is one the IRS has certified under the Small Business Efficiency Act. For a mid-year exit, certification means your federal wage bases (Social Security/FICA and FUTA) carry over instead of resetting. State unemployment (SUTA) is governed separately and may still reset depending on your state. Confirm your PEO's status against the IRS's published CPEO list, and confirm the tax treatment with your own tax advisor before you set dates.

What's the most common mistake companies make when leaving a PEO?

Comparing the PEO's total cost to a benefits-only quote and calling the gap "savings." The honest comparison is all-in versus all-in. Once payroll, workers' comp, COBRA, and compliance reappear as separate costs, the real number is smaller. A close second: waiting until after you give notice to request your data, when it suddenly gets hard to get.

What's the biggest risk in a PEO exit?

A gap in health coverage for your employees. Your employees come off the PEO's plan and onto your new one, and those two dates have to touch exactly. A single day of gap means a medical event in that window may not be covered. Coordinating the terminating master policy with the new group contract is the part to get a professional on.

Do I have to leave on my renewal date?

No, you have options. You can exit cleanly on your existing plan-year renewal, or, if you'd rather land on January 1, bridge to it with a passive open enrollment (employees keep current plans, no action required) that rides through December 31. Both keep you covered the whole way, so pick the one that fits your plan year and contract.

Where Nava comes in

A PEO exit is a lot of unforgiving coordination, and the expensive mistakes (a coverage gap, a blown auto-renewal deadline, a six-figure tax surprise) are all avoidable with the right partner.

Nava runs PEO exits end-to-end. We build the Side A versus Side B math so you know your real number, represent you as your single appointed broker so carriers compete on price, and own the effective-date coordination so no employee ever goes a day without coverage. Our in-house AI-powered technology keeps the whole process moving faster and more accurately for your people ops team, and gives your employees a world-class experience so nothing falls through the cracks.

Weighing an exit, or already decided? Talk to a Nava advisor and you'll leave knowing your real number either way.