Largest PEO companies

Size is the attribute PEOs publish most readily, because it is the one they can state without disclosing anything commercial. It matters in one specific way and is close to irrelevant in several others, and the difference is worth understanding before a client count decides your shortlist.

median advertised base subscription, per month
$39
providers with a price they will print
2
states with measured demand and evidenced cover
5

Figures on this page come from the price record on this site: 2 providers checked against their own published pages, median advertised base subscription $39 a month among those that publish one.

Advertised prices, checked

Provider Base price Per worker What it covers Source Checked
ExtensisHR
FrankCrum
Gusto
Insperity
Justworks
OnPay
Patriot Software
Paychex
Rippling
SurePayroll
TriNet
VensureHR

Using scale as a filter properly

  1. Ask what is being counted. Client businesses, worksite employees and payroll volume are three different numbers, and providers pick whichever flatters most. Ask which and as at when.
  2. Apply it only to benefits. Pool size genuinely drives health rating, so scale is a real signal there. It says almost nothing about administration or service.
  3. Check the entity, not the group. Large groups hold several legal entities. The one contracting with you may be much smaller than the brand, and certification attaches to the entity.
  4. Then stop using it. Beyond the benefits question, size predicts very little about your experience, and a large provider can be a worse fit for a small employer than a specialist.

Where scale genuinely helps

Health insurance rating, and to a lesser extent workers' compensation programme access. Both are risk-pooling exercises, and a bigger pool absorbs individual claims better, which produces better and more stable pricing. If benefits are why you are shopping, size is a legitimate part of the decision.

It also helps with the breadth of state registrations a provider holds, which matters if you employ people in several states or expect to.

Where it does not, and can hurt

Service consistency does not follow from size and frequently runs the other way for very small clients, who are the least commercially significant accounts a large provider holds. A specialist serving employers of your size and trade may give you a named person who understands the work, which is worth more day to day than the pool.

The record on this site holds published scale claims where providers make them, quoted with the date read, and treats them as the provider's own figures rather than as a verdict. That is the right weight for them.

Common questions

Who are the largest PEO companies?
Providers publish their own scale in different units, client businesses, worksite employees or payroll volume, and this site records those claims verbatim with the date read rather than compiling a ranking.
Does size make a PEO better?
For benefits pricing, genuinely yes, because a larger pool rates better. For administration and service it predicts very little, and small clients can matter less to a very large provider.
What should I check about a scale claim?
Which number is being counted and as at when, and whether the legal entity that would contract with you is the large one or a smaller entity in the same group.

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Coverage by state

Cite or embed this figure

The advertised base monthly subscription for a US payroll service in the US payroll and PEO market was $39 in September 2026, across 2 checked provider pricing pages recorded in Payroll Services Quotes Price Record.

Cite as: "Payroll Services Quotes Price Record", updated 2026-09-09, https://payrollservicesquotes.com/largest-peo-companies/.

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advertised base monthly subscription for a US payroll service · the US payroll and PEO market · September 2026

$39

Middle 50%$29 – $49
checked provider pricing pages2

Source: Payroll Services Quotes Price Record

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