PEO Responsibilities: Who Handles What

A PEO can take a lot of payroll and HR admin off your plate, but it doesn’t take over your business or remove the responsibilities that still belong to you as the employer.

Here’s how those responsibilities typically split between you and the PEO, where you’ll need to coordinate, and what to clarify before you sign.

Key Takeaways

• A PEO can handle administration, but you still run the business and manage daily work.
• Your company must provide accurate hours, pay changes, classifications, and employee data for the PEO to process.
• “Co-employment” doesn’t make the PEO the employer for every legal purpose. Responsibility depends on the law, contract, and facts.
• Payroll taxes, benefits, workers’ comp, leave, and terminations need clear written handoffs between your team and the PEO.
• Before signing, confirm who decides, who processes, who keeps records, and who fixes mistakes for every major HR workflow.

What Does a PEO Handle?

A PEO typically handles payroll, benefits administration, and some HR and workers’ comp processes. Your business still directs the work and provides the information those processes depend on.

This is a common setup, not a universal rule. Check the service agreement, plan documents, and applicable law to confirm how responsibilities are divided in your specific situation.

The IRS explains that handling payroll doesn’t automatically transfer federal employment-tax liability. Michigan’s PEO law, for example, also distinguishes between the client’s control of the workforce and duties assigned by contract.

At a glance:

• The PEO can run administration, but you still run the business.
• The client supplies the facts behind each payroll and HR transaction.
• The service agreement assigns tasks, but law determines legal duties.
• A certified PEO has a distinct federal employment-tax rule, not blanket employer status.
• Write down who decides, who processes, and who fixes a mistake.

Who is the Employer in a PEO Relationship?

It depends on the purpose of the question. In co-employment, the client (you) and PEO divide certain functions by contract, but that doesn’t automatically make the PEO the sole employer for every legal purpose.

Think in four separate layers:

1. Daily control: Your managers assign work, schedule shifts, and supervise. Michigan’s statute generally leaves direction, supervision, and training of the client’s business work with the client unless the agreement says otherwise. That’s one state’s rule.
2. Administration: The PEO performs its contracted tasks, subject to deadlines and payment terms.
3. Common-law employer: For federal tax purposes, the IRS looks at who has the right to control what and how someone works. It says an ordinary PEO generally doesn’t relieve the client of federal employment-tax duties. “Co-employer” isn’t a stand-alone federal tax category.
4. Employer under each law: Tax, wage, leave, discrimination, workers’ comp, and state PEO laws can treat the relationship differently. The DOL says a PEO doing only administrative work isn’t automatically a joint employer under the Family and Medical Leave Act (FMLA).

Payroll and Tax Responsibilities: Get the Data Handoff Right

The PEO calculates wages, runs pay cycles, issues pay records, and performs contracted tax work. But it needs your inputs: actual hours, rates, hire and separation dates, classifications, bonuses, deductions, time-off pay, and corrections. Your managers need to report changes.

Set approval and exception deadlines, final signoff, and an off-cycle correction path. The DOL requires accurate records of hours and pay for covered nonexempt workers. A schedule without updates may miss hours actually worked, and a stale rate can cause a wrong paycheck and dispute.

With Connecteam’s time clock app, managers can review and approve timesheets before sending the data to the PEO. Confirm the PEO’s accepted format or integration first rather than assuming the systems connect automatically. The PEO processes payroll, while your company remains responsible for checking that the work data is accurate.

A certified PEO changes a narrow federal tax rule

Don’t confuse a standard PEO with an IRS-certified PEO (CPEO). The IRS explains that using an ordinary PEO for payroll generally doesn’t remove the common-law employer’s federal employment-tax responsibilities.

A CPEO, by contrast, is treated as the employer for federal employment-tax purposes on wages it pays to qualifying worksite employees under the applicable arrangement. The IRS describes its reporting role and Form 8973. This doesn’t make the CPEO your replacement employer for every other law, worker, or payment.

Employee Benefits Responsibilities: Separate Enrollment From Plan Control

A PEO may offer benefits, manage enrollment and eligibility, explain plan options, coordinate with carriers, and process deductions. Your business still needs to provide accurate hire, status, hours, and termination data. Depending on the setup, you may also choose which benefits to offer and how much the company contributes.

Don’t assume the PEO sponsors every plan. Texas PEO guidance allows either the client or PEO to sponsor certain plans under state law. For group health plans, the DOL explains that fiduciary status depends on who actually has discretion or control, not simply on a title. A provider handling routine administrative tasks is not automatically a fiduciary.

For each benefit, check the plan documents and identify the sponsor, administrator, claims decision-maker, and any fiduciaries. Your agreement should also spell out who explains coverage, fixes enrollment errors, and notifies the carrier when an employee leaves.

Workers’ Compensation and Workplace Safety: Clarify Coverage

A PEO may arrange or handle workers’ compensation coverage, help with claims paperwork, review class-code and payroll data, and offer risk resources. But coverage isn’t automatically the PEO’s policy.

In Texas, the state regulator says the client or PEO may provide coverage, and the service agreement must identify which party maintains it if coverage is offered. Other states have different rules, so verify the policy and state requirements for every worksite.

Your supervisors still see daily hazards and decide how work gets done. OSHA’s employer guidance describes duties to address recognized hazards, train workers, and meet reporting and recordkeeping requirements.

A PEO can offer safety guidance, but your managers still need to address hazards and unsafe working conditions on the ground. Decide who investigates an incident, who contacts the carrier, who reports to regulators when required, and who signs off on corrective action. Wrong class codes or missing incident facts can disrupt coverage and claims handling.

HR and Employment Compliance: Get Help Without Outsourcing the Decision

A PEO can supply handbook templates, support onboarding and records, track leave, and advise on terminations. You decide job requirements, policy use, and business actions. Complaint responses may require a shared process with the PEO. Advice can catch issues early, but form processing isn’t a compliance guarantee.

The details matter. In Michigan, PEO agreements must give the PEO specified authority to hire, discipline, or terminate as needed for its duties, while the client may also take those actions. That’s why a termination should have a decision owner and a separate processing owner. The PEO can review documentation and handle assigned pay and benefit steps, but your business must communicate the actual management decision and relevant facts.

For leave and accommodations, decide who receives requests, who assesses the applicable rules, who communicates with the worker, and who changes the schedule or worksite.

A contract can determine the workflow, but it can’t just erase duties that the law assigns. Where a staffing firm and client are joint employers, the EEOC explains that both can have on-the-job accommodation obligations if they know about the need, unless providing the accommodation would cause significant difficulty or expense. That guidance doesn’t mean every PEO is a joint employer, but it shows why the facts matter.

What the Business Still Controls: Keep Ownership of Daily Work

Your company typically controls recruiting, job duties, pay decisions, supervision, schedules, performance, discipline, workplace conditions, culture, customers, and strategy. The PEO may advise or process steps tied to those choices, but ultimately your leaders still make and document them.

For a practical handoff, separate the decision, the administration, and the source data. The table below describes a common arrangement, not a legal finding about either party’s employer status.

Use Connecteam’s employee scheduling to publish and change shifts, digital forms to collect operational checklists or incident details, and the online team chat to reach frontline managers. Those tools support the client’s daily operations, but they don’t decide who owes a legal duty or replace the PEO’s contracted work.

Responsibilities That Are Shared: Make the Handoff Visible

Shared tasks need a clear handoff so your team knows what was completed and the PEO has the information it needs for the next step. Both sides should also catch missing or incorrect information before it causes a problem.

• Data and classification: You confirm hours, roles, and rates. PEO applies agreed processes and flags exceptions.
• Leave and accommodations: You explain duties and possible adjustments. PEO may coordinate forms or notices. Both check their own legal duties.
• Complaints: You maintain facts and manage the workplace response. PEO may advise or help investigate. Both address any duties under applicable law.
• Terminations: You give the decision and time/pay history. PEO checks assigned final-pay and notice steps. State law governs deadlines.
• Notices and records: Name the sender, deadline, backup, record holder, and access rights.

Here’s an example:

A worker asks for medical leave. The client manager sends the request, work history, and schedule to the named HR/PEO contact. The assigned administrator checks relevant rules, handles assigned notices, and updates payroll and benefit records. The client plans coverage, and both update the worker and retain records.

Under the FMLA, DOL guidance says that simply handling administrative tasks doesn’t make a PEO a joint employer. If a joint-employment relationship does exist, the client is often the primary employer. The actual facts and applicable law determine how those responsibilities are assigned.

Does a PEO Replace Your HR Team?

A PEO can reduce administrative load, but it doesn’t remove the need for someone inside your business to own people decisions.

A small company with no HR specialist might use a PEO for payroll, benefits administration, and access to HR guidance while a founder or manager remains the internal point person. A growing company might keep an HR lead for employee relations, hiring plans, manager coaching, and workforce strategy while the PEO takes on repeatable administration. A larger team might use the PEO for specific services only.

Headcount alone won’t tell you whether a PEO is the right fit. Look at how often your managers need help with employee complaints, complex leave, multi-state requirements, or frontline staffing.

A PEO can handle administration, but it still depends on your team to provide accurate information, approve decisions, and act when problems come up.

Responsibility Checklist Before Signing: Ask for Named Owners

Request a written responsibility schedule and sample reports.

Payroll, tax, and data

1. Who collects, approves, and corrects hours, rates, bonuses, deductions, classifications, and payroll changes? By when?
2. Whose EIN appears on tax filings? Is the provider a CPEO, which pay qualifies, and who supplies proof of filing and payment?
3. Which system holds time, leave, and employee records? Is transfer by tested integration, export, or upload? Who owns and retrieves the data?

Benefits and workers’ compensation

1. For each benefit, who sponsors, administers, decides claims, and has fiduciary duties? Who sets contributions and fixes enrollments?
2. Who maintains workers’ comp coverage, checks class codes, files claims, and receives injury notices?
3. Who handles inspections, training, hazards, injury logs, and required reports?

People decisions and legal processes

1. Who updates, approves, and communicates handbooks and policies, including local changes?
2. Who receives leave or accommodation requests, checks the law, sends notices, adjusts work, and keeps records?
3. Who receives complaints, preserves evidence, investigates, takes action, and prevents retaliation?
4. Who approves terminations and handles final pay, benefits, notices, records, and access?

Accountability and escalation

1. Who maintains state registrations and checks the arrangement wherever workers are located?
2. Who is the backup and escalation contact for payroll errors, coverage issues, injuries, notices, or data incidents? How are fixes documented?

The Bottom Line on PEO Responsibilities

A PEO works best when everyone knows what it handles and what still stays with your team. Plan out each handoff before you sign, then test the process with a real payroll cycle and a sample employee request.

Let Connecteam support the day-to-day work your managers still own, including time tracking, scheduling, and frontline coordination. The PEO can handle the services set out in your agreement.