Team Payroll Terms, Explained (2026)

Quick answer

A payroll service runs the mechanics of paying people: it calculates wages and withholding, sends pay, and handles the filings it is contracted for, while your business remains the only employer. A PEO (professional employer organization) goes further, entering a co-employment arrangement in which it takes on payroll administration, tax reporting and usually benefits and HR, and the IRS notes that PEOs are generally compensated with a fee calculated from payroll costs. For most growing small teams, a payroll service is the simpler and more predictable starting point. A PEO earns its fee when access to group benefits and offloaded HR work matter more than direct control and cost.

What is the difference between a payroll service and a PEO?

The cleanest way to see the difference is to ask who the employer is. With a payroll service, you are. The service is a vendor that does the calculation, payment and filing work on your instructions, and your business is the name on the employment relationship.

With a PEO, the relationship is shared. The PEO becomes a co-employer for certain purposes, typically payroll, tax reporting, benefits administration and often workers' compensation, while you keep directing the day-to-day work. Because a PEO pools employees from many client businesses, it can often offer a small team benefits that look more like a large employer's plan.

That shared structure is the trade. You give up some control over how benefits and HR policies are set up, and you pay a fee that usually scales with payroll costs. In return, a small team without an HR person gets one.

When does a growing team outgrow a payroll service?

There is no headcount at which a PEO becomes the right answer. The more useful signals are practical ones. If competitive health benefits are costing you candidates, if HR paperwork is consuming an owner's week, or if hiring in a new state has made compliance feel unmanageable, a PEO is worth pricing.

If the team is small, benefits are simple, and the main need is accurate pay on time with taxes filed, a payroll service usually does the job at lower cost. Many teams start with a payroll service and revisit the question as they grow.

Team payroll terms, A to Z

Certified professional employer organization (CPEO). The Tax Increase Prevention Act of 2014 directed the IRS to create a voluntary certification program for PEOs. A PEO that applies and that the IRS certifies as meeting the program's requirements is a CPEO. Because certification is voluntary, not every PEO has it. When comparing PEOs, ask whether each one is certified, and ask for the contract's allocation of employment tax responsibility in writing.

Co-employment. The arrangement at the heart of a PEO. The PEO and the client business each hold part of the employer role. The client typically hires, directs and manages the work, while the PEO administers payroll, tax reporting and benefits. The exact split is set by the contract, so read it.

Employer Identification Number (EIN). The federal tax ID for a business. The IRS issues it and explains the process on its "Get an Employer Identification Number" page. Payroll cannot be set up without one, which makes the EIN the first dependency on any path to a first paycheck.

Form I-9. The employment eligibility form. The IRS states that all U.S. employers must properly complete a Form I-9 for every individual they hire for employment in the United States. Using a payroll service or a PEO does not remove this step.

Form SS-8. The form that asks the IRS to determine whether a worker is an employee or an independent contractor. The IRS cautions that a determination may take at least six months, so it is not a quick fix for a classification question that needs an answer now.

Form W-2. The annual wage and tax statement for employees. To complete it, an employer needs each employee's name and Social Security number, which is one reason to collect accurate details at hiring.

Form W-4. The employee's withholding certificate. The IRS tells employers to ask every new employee for a signed W-4 when they start work and to make it effective with the first wage payment. A W-4 stays in effect until the employee provides a new one. When a replacement arrives, the new withholding must begin no later than the start of the first payroll period ending on or after the 30th day from the date the employer received it.

Independent contractor. A worker who is in business for themselves rather than an employee. Classification turns on the actual relationship, not on what a contract calls it. The IRS looks at three categories of evidence: behavioral control, financial control, and the type of relationship. It is explicit that there is no magic number of factors that decides the question and no single factor that decides it alone.

Misclassification. Treating an employee as an independent contractor without a reasonable basis. The IRS says an employer in that position may be held liable for employment taxes for that worker. Neither a payroll service nor a PEO can fix a classification decision that was wrong to begin with, so get this right before a worker is entered into any system.

Pay frequency. How often employees must be paid. This is state law, and the rules differ widely. According to the U.S. Department of Labor, California requires wages at least twice per calendar month on days designated in advance, Colorado requires monthly payment, and Connecticut requires weekly payment unless the labor commissioner approves a longer interval. The DOL itself advises checking with the relevant state labor office for official information.

Payroll records. Under the Fair Labor Standards Act, the DOL requires payroll records to be kept for three years. Records that wage computations are based on, including time cards and wage rate tables, must be kept for two years. A payroll service or PEO may store these for you, but the obligation to be able to produce them stays with the employer.

Payroll service. A provider that calculates pay, withholding and deductions, pays employees, and files the payroll tax forms included in the plan. The business remains the employer. Plans range from basic pay processing to full-service options that handle tax filings.

Professional employer organization (PEO). A company that enters a co-employment arrangement with a client business and takes on payroll administration, tax reporting and, commonly, benefits, HR support and workers' compensation administration. PEOs are usually paid a fee based on payroll costs rather than a flat per-employee price.

Reasonable compensation. A rule for S corporation owners who work in the business. The IRS requires an S corporation to pay a shareholder-employee reasonable compensation for their services before making non-wage distributions, and it has the authority to reclassify distributions as wages. If you own an S corporation and work in it, your own pay belongs in payroll, whichever model you choose.

Workers' compensation. Insurance covering employees injured on the job. Requirements are set by each state and differ sharply, including who must be covered and how coverage can be obtained. Many PEOs bundle coverage through their own policy, and many payroll services connect to outside insurers. Check your state's rules before assuming either arrangement satisfies them.

Payroll providers for small teams, compared

The table lists providers in alphabetical order, which is not a ranking. Prices were checked on each provider's own pricing page as of October 6, 2026, and may have changed since.

If a quote covers a PEO arrangement rather than a payroll service, expect it to be priced and contracted differently. Confirm which model a quote covers before comparing it with anything else.

How should a small team compare these options?

Start with what each price actually covers. Five of the payroll providers in the table publish prices, while ADP and Rippling quote per business, so a fair comparison with those two starts with a quote. Check whether a figure is ongoing or promotional: the QuickBooks Payroll discount applies to the base price for three months only. If the team pays people in more than one state, look for add-on fees such as the one SurePayroll charges for multi-state payroll.

On price alone, Patriot Software has the lowest published entry price in the table, and for a formed team with simple pay needs that is a real advantage.

For a team that is not yet fully set up, the first question is not which payroll tool to pick. It is the subject of the next section.

What has to be in place before either option works?

Payroll is the last step of a setup sequence, not the first. A business needs to exist as an entity, it needs an EIN, and its money needs to be separate from the owner's. The IRS's Publication 583 lists opening a business checking account among the early steps of starting a business, and the U.S. Small Business Administration publishes its own guidance on hiring and managing employees.

This is where ZenBusiness fits. It handles formation, a registered agent, the EIN, bookkeeping support through Money Pro, and a business website from one account. ZenBusiness states that payroll cannot run without an EIN, which it sells for $99 on its Starter plan and includes from Pro up. For a team that has not formed yet, or formed without an EIN, starting there and then choosing a payroll route is the order that actually works.

ZenBusiness does not run payroll itself. Through its ADP payroll partnership, ZenBusiness recommends RUN Powered by ADP for businesses with 1 to 49 employees. A customer requests the connection from the ZenBusiness dashboard, an ADP representative follows up about employee count and pay schedule, and ADP provides the quote. ADP is a separate service with its own platform, billing and support, payroll runs in ADP's system rather than in the ZenBusiness dashboard, and ZenBusiness customers may be eligible for promotional pricing, with any offer confirmed during the consultation.

So the summary is this: ZenBusiness is one place to set up and run the business, with payroll handled by a partner.

What stays the employer's job no matter which option you choose?

Outsourcing the work does not outsource every responsibility. Classifying workers correctly, collecting a Form I-9 and a Form W-4 from each new hire, paying S corporation owner-employees reasonable compensation, meeting your state's pay frequency rules, and being able to produce payroll records on request all remain matters an employer should understand. A good payroll service or PEO makes them easier to meet. It does not make them disappear.

This article is general information, not legal, tax or accounting advice, and payroll requirements vary by state and change over time.