Justworks vs Paychex (2026): PEO Pricing, Payroll Costs and Which Fits

Justworks is the better buy for a small US team that wants a PEO with benefits and every price published. Paychex is the better buy for the cheapest published payroll start, or when you want one provider that can grow from payroll-only to full PEO, as long as you accept quotes above its entry plan.

By Manjuri Dutta, Co-founder and Editor, HR Stacks Updated 18 min read
Justworks
PEO and payroll for small US teams, with EOR
4.1HRS score
$79PEO per employee/mo
$50 + $8Payroll base + per employee
24/7Support on PEO plans
Paychex
Payroll, HR and PEO packages for US businesses
4.0HRS score
$39 + $5Flex Essentials base + per employee
Quote onlyPEO price
840,000Client businesses
Quick answer

Justworks or Paychex: which should you choose?

Choose Justworks if you want a PEO with health benefits, 24/7 support and a price you can see today: $79 or $124 per employee per month. Choose Paychex if you want the cheapest published payroll start, at $39 a month plus $5 per employee, or one provider that can take you from payroll-only to a full PEO later.

Verdict from HR Stacks editors, based on vendor pricing pages and both full reviews.

Choose Justworks if

  • You want big-company health benefits for a small US team
  • You need to budget the PEO before any sales call
  • You may hire one or two people abroad through EOR

Choose Paychex if

  • You only need payroll and tax filing for under 20 people
  • You want 401(k), insurance and payroll from one vendor
  • You expect to grow into HR outsourcing or a PEO later
Who wins whatJustworks 3 · Paychex 3
  • PEO price transparencyJustworks$79 and $124 published vs quote only
  • Ease of useJustworks4.7 vs 4.0 in our scoring
  • Customer supportJustworks4.5 vs 3.5; 24/7 phone, email and chat on PEO plans
  • Entry payroll pricePaychex$39 + $5 vs $50 + $8, about $490 less a year at 10 staff
  • Integrations and APIPaychex3.8 vs 3.4, plus a public developer center
  • Room to growPaychexPackages from Flex Essentials up to HR Pro and PEO
Skip both if you want month-to-month payroll with HR tools, or IT and device management on the same system. See alternatives

Justworks vs Paychex at a glance

Every figure below comes from the vendor’s own pricing, product, help center or security pages, checked in October 2026. Paychex publishes one price, for Flex Essentials, so most of its column says quote only. Shaded cells mark the provider that leads on that row.

JustworksPaychex
Built aroundA small-business PEO with payroll, benefits and compliance in one accountA ladder of payroll, HR and PEO packages from one large US provider
PEO pricePEO Basic $79, PEO Plus $124 per employee/month, no base feeQuote only
Payroll-only price$50/month + $8 per employeeFlex Essentials $39/month + $5 per employee
Other payroll packagesOne payroll planSelect, Pro, Enterprise and the Basic to Complete bundles: quote only
Employer of record$599 per employee/month, 35 countriesNot published
Contractors$8 per US contractor, $39 per international contractor (60+ countries)1099s on Flex Essentials at additional cost
Support24/7 phone, email and chat on PEO plans24/7 chat and phone on Flex Essentials and Select; dedicated specialist on Pro
Minimum sizeTwo people to run PEO payrollNot published; Flex Essentials is aimed at under 20 employees
Minimum termNot published; fees billed monthlyNot published; current free-months offer needs a one-year agreement
CredentialsIRS-certified PEO and ESAC-accreditedSOC 1 Type 2, SOC 2 Type 2, ISO 27001
Integrations17 listed in the help center, no public API documented15 featured, a marketplace and a developer API
CustomersNot publishedAbout 840,000 businesses

HRS score is our editorial rating from the full Justworks review and Paychex review.

The core difference: one PEO bundle vs a package ladder

Justworks sells one idea: become a co-employer of your staff, so a 10-person company gets the payroll, tax filing, workers’ comp and health plans a 1,000-person company would get. You pick one of three US plans, see the price on its website, and add options one by one. It is a PEO first and payroll software second.

Paychex sells a ladder. You can start on Flex Essentials as plain payroll software, move up through Select, Pro and Enterprise as HR needs grow, then hand HR to a dedicated professional on HR Pro or co-employment on Paychex PEO, all without changing vendor. The trade-off is that every rung above the first is quoted, so the ladder is hard to price in advance.

Justworks: one co-employment bundle

Your company Directs the work Justworks PEO Co-employer Your employees Payroll + taxes Health plans Workers’ comp 24/7 support EOR, 35 countries
Strongest for small teams that want benefits and HR help at a known price. Weakest when you only need payroll, where the $50 base fee costs more.

Paychex: climb the package ladder

Flex Essentials$39 + $5 Flex Select Flex Pro Flex Enterprise HR Pro / PEO Quote only above the first step
Strongest when you want to start small and add services without switching vendor. Weakest on price clarity, since only the first step has a public price.

How Justworks and Paychex score

Our Justworks and Paychex reviews use different parameter sets, and 5 of the 8 parameters on each page match in meaning, so only those five appear below. Justworks leads four of them, and by a full point on support. The rest do not line up: Justworks scores 4.5 on payroll and benefits and 2.8 on global coverage, while Paychex scores 4.4 on both tax compliance and HR and benefits.

Justworks
Parameter
Paychex
3.8
Pricing and value
3.3
4.3
Onboarding and setup
4.0
3.4
Integrations
3.8
4.5
Customer support
3.5
4.7
Ease of use
4.0
Justworks leads on 4 of 5: pricing and value, onboarding, support and ease of use. Overall 4.1.
Paychex leads on 1 of 5: integrations. Overall 4.0.

Justworks vs Paychex pricing, and what you actually pay

Justworks publishes every US plan, its EOR rate and each add-on. Paychex publishes one figure, Flex Essentials at $39 a month plus $5 per employee, and quotes every other package, including its PEO. Comparison pages that say Paychex publishes no price at all, as an earlier version of this page did, are out of date.

Because Paychex PEO is quote only, the cost table compares the two payroll plans both vendors price in public. If you want a PEO, treat Justworks’ $79 and $124 as the number to beat and ask Paychex for a per-employee figure. Our PEO ranking shows where other providers land.

Justworks

  • PayrollHR tools and time tracking access$50 /mo + $8 /emp
  • PEO BasicPayroll, compliance, 401(k), ATS, 24/7 support$79 /emp/mo
  • PEO PlusAdds medical, dental, vision admin and HSA/FSA$124 /emp/mo
  • Employer of Record35 countries, no base fee$599 /emp/mo
  • ContractorsUS / international, per paid contractor$8 / $39 /mo

Paychex

  • Flex EssentialsAimed at fewer than 20 employees$39 /mo + $5 /emp
  • Flex SelectPayroll with personal serviceQuote only
  • Flex ProDedicated payroll specialist, HR toolsQuote only
  • Flex Enterprise and HCM bundlesBasic, Foundations, Advanced, CompleteQuote only
  • HR Pro and Paychex PEODedicated HR professional or co-employmentQuote only

Costs that don’t appear on either pricing page

Setup fees

Justworks: none published.

Paychex: setup fees exist under its promotion terms; the amount is not published.

Contract length

Justworks: not published; fees are billed monthly, and new customers may prepay a year.

Paychex: the current free-months offer needs a one-year agreement.

Workers’ comp

Justworks: a percentage of wages, quoted after approval.

Paychex PEO: master policy, quoted.

Health premiums

Neither PEO fee includes insurance premiums. Both quote them separately by plan, state and headcount.

Year-end forms

Justworks: no separate fee listed.

Paychex: W-2s and 1099s cost extra on Flex Essentials.

Add-ons

Justworks: time tracking $8, dedicated HR consulting $30, CHOICE health reimbursement $25.

Paychex: time and attendance and 401(k) billed outside payroll.

Leaving early

Justworks: an admin fee can apply when you pay someone after their termination date.

Paychex: cancel within a year and it can recover the free months.

Promotions

Justworks: none listed.

Paychex: up to six free payroll months through April 2027 on Flex Select and higher packages, for new clients with 1 to 250 employees who sign by 31 October 2026.

12-month payroll cost at three team sizes

EmployeesJustworks Payroll ($50 + $8)Paychex Flex Essentials ($39 + $5)Gap per year
5 employees$1,080$768$312
10 employees$1,560$1,068$492
20 employees$2,520$1,668$852

Published payroll fees only: base fee x 12 plus the per-employee rate x headcount x 12. Paychex’s free months, W-2 and 1099 charges and setup fees are excluded, as are taxes and wages. For reference, Justworks PEO Basic for 10 employees costs $9,480 a year and PEO Plus $14,880, before premiums.

Run your own numbers

Justworks
Paychex

Per-employee rates only. Payroll plans also carry a base fee ($50 a month for Justworks, $39 for Paychex Flex Essentials), which adds $132 a year to the Justworks side. For a PEO comparison, enter $79 or $124 against your Paychex PEO quote.

Justworks vs Paychex features: payroll, benefits, HR and platform

Justworks’ lead is in the bundle: benefits, 401(k), applicant tracking and contractor payments come with the PEO fee. Paychex’s lead is breadth, with more modules, payment options and a developer API, though which package carries each module is set in the quote. “Leads” marks the stronger product on each row.

Justworks
Paychex
Payroll and tax
Payroll tax filing
Equal
Included on every plan
Equal
Federal, state and identified local taxes filed and paid
Fast pay options
Not published
Leads
Same-day ACH and real-time payments
Garnishments and ledger
Accounting sync with QuickBooks, Xero, NetSuite and Sage Intacct
Leads
Garnishment payment service and general ledger service
Contractor payments
Leads
$8 per US contractor, $39 international in 60+ countries
US 1099 contractors; 1099s cost extra on Flex Essentials
Unlimited pay runs
Not published
Leads
Unlimited payrolls on Flex Essentials
Benefits and PEO
PEO pricing
Leads
$79 or $124 per employee, published
Quote only
Health benefits
Equal
Medical, dental, vision admin, HSA and FSA on PEO Plus
Equal
Group health, FSA, HSA, HRA and COBRA
Retirement
401(k) included on PEO plans
Leads
In-house retirement services, sold with or without payroll
Workers’ comp
Equal
Through the PEO, priced as a share of wages
Equal
PEO master policy, or a payment service on payroll plans
HR expert access
Equal
HR consulting on PEO plans; dedicated consultant for $30 more
Equal
Dedicated HR professional on HR Pro; PEO client advocate at 10+ staff
HR and talent
Applicant tracking
Leads
Included in PEO Basic
Recruiting and applicant tracking, by package
Onboarding
Equal
Online onboarding and offboarding
Equal
Employee onboarding and new-hire reporting
Performance and learning
Through 15Five, Culture Amp, Leapsome and Trainual
Leads
Own performance management and learning modules
Time tracking
Equal
$8 per employee add-on
Equal
Time and attendance, billed separately
Handbook and HR library
Not published
Leads
Handbook builder and HR library
Platform and global
Integrations
17 curated apps across accounting, hiring, expenses and IT
Leads
15 featured apps plus a wider marketplace
API
No public API documented
Leads
Developer center with APIs
Mobile app
Equal
iOS and Android; admin tasks need desktop
Equal
Paychex Flex app for admins and employees
Security credentials
Encryption at rest, MFA, penetration tests; no certifications named
Leads
SOC 1 Type 2, SOC 2 Type 2, ISO 27001
Hiring outside the US
Leads
EOR in 35 countries at $599
Not published

Where each one works: company size, benefits and hiring abroad

Both are US products first, so the split here is about which services each one covers and at what size. Justworks is the only one of the two that publishes a way to hire outside the US. Paychex covers more US service lines and more company sizes.

35Justworks EOR countries
60+Justworks international contractor countries
840,000Paychex client businesses
US payroll and tax filing
JustworksIncluded on every plan
PaychexFederal, state and local
PEO co-employment
JustworksPEO Basic and PEO Plus
PaychexPaychex PEO, quote only
Health benefits
JustworksPEO Plus, or $8 add-on on Payroll
PaychexGroup health and benefits admin
401(k)
JustworksIncluded on PEO plans
PaychexIn-house retirement services
Time tracking
JustworksAdd-on, $8 per employee
PaychexAdd-on, billed separately
Applicant tracking
JustworksIncluded in PEO Basic
PaychexBy package
Employer of record abroad
Justworks35 countries, $599
PaychexNot published
Payroll outside the US
JustworksThrough EOR only
PaychexNot published
International contractors
Justworks60+ countries, $39
PaychexNot published
Company size fit
JustworksTwo people and up
PaychexUnder 20 on Essentials, larger on other packages
Mobile app
JustworksiOS and Android
PaychexiOS and Android
Green: offered, as stated by the vendorAmber: partial, add-on, by package or not publishedRed: not offered or not on the vendor’s list

Statuses come from each vendor’s pricing, product and help center pages, checked in October 2026. Justworks’ help center lists 35 EOR countries; one of its feature pages says 11 are available directly in the platform, so confirm each country before you sign. Paychex does not publish an international hiring product on its US site.

Setup and support: how fast you go live, and who answers

Paychex is quicker to start on its entry plan: sign up online and pay nothing until the first payroll. Justworks PEO takes a few weeks, because workers’ comp and benefits need approval first. Support is where the two split most in public reviews, and Justworks comes out ahead.

Justworks

Setup
Expedited PEO enrollment takes 2 to 3 weeks. Start dates fall on the 1st or 16th of the month.
Go-live
Workers’ comp approval, usually 2 to 5 business days, and bank verification come before enrollment completes.
Support model
24/7 phone, email and chat on PEO plans. The Payroll plan lists expert support without stated hours.
Employee access
iOS and Android app for paystubs, time off, timecards and tax forms.

Paychex

Setup
Online sign-up on Flex Essentials; Flex Pro adds a personal consultation and help with setup.
Go-live
No cost until the first payroll. State tax documents may need a physical signature.
Support model
24x7x365 chat and phone on Essentials and Select, a dedicated payroll specialist on Pro, and a PEO client advocate at 10+ employees.
Employee access
24/7 employee portal and the Paychex Flex mobile app.

Which one to pick for your situation

These four cases cover most buyers who shortlist this pair. Headcount and whether you need benefits decide more of them than any feature does.

12-person agency that wants proper health insurance

12 employeesTwo statesNo HR staff

PEO Plus at $124 per employee is $17,856 a year before premiums, and you know that number before the first call. Justworks bundles benefits admin, 401(k), compliance and 24/7 support, and our scoring puts its support a full point above Paychex.

Pick Justworks

Eight-person trades business that only needs payroll

8 employeesHourly staffBenefits sorted

Flex Essentials costs $39 a month plus $5 per employee, or $948 a year at this size, against $1,368 for Justworks Payroll. Unlimited pay runs and tax filing are included, and Paychex can add time and attendance later.

Pick Paychex

US startup about to hire its first engineer in Poland

20 US staff1 hire abroadNo entity

Poland is on Justworks’ EOR list at $599 a month, so the US team and the overseas hire sit in one account. Paychex publishes no international hiring product, so you would need a second vendor.

Pick Justworks

Founder who wants payroll plus HR tools, month to month

15 employeesNo PEONo annual term

Justworks Payroll includes few HR tools beyond the basics, and Paychex’s HR packages are quoted and its current offer needs a one-year agreement. Gusto publishes HR-inclusive plans and says it is month to month.

Neither: look at Gusto or OnPay

Where each one falls short

These are the limitations that matter in this matchup. The full pros and cons for each product live on its review page.

Justworks

  • Pricier for payroll-only buyersThe $50 base plus $8 per employee costs more than Flex Essentials at every headcount.
  • Thin integration list17 curated apps in the help center and no documented public API.
  • Reporting and benefits choicePublic reviews repeatedly name limited reporting and a narrow choice of health plans.

Paychex

  • One public priceEverything above Flex Essentials, including PEO, needs a quote, so you can’t compare packages before a sales call.
  • Fees around the edgesSetup, W-2 and 1099, delivery and premium processing fees are mentioned but not priced.
  • Support complaintsPublic reviews report long holds and transfers between departments, which is why it scores 3.5 on support.

What users say about Justworks and Paychex

Paychex has more than twice as many public reviews, and its sample includes many low-scoring complaints on open review sites. Justworks’ smaller sample comes mostly from verified buyer platforms, and it is more consistent.

Justworks

Based on 1,906 public reviews

Praised for

  • Easy to run. Payroll, benefits and time off from one account.
  • Helpful support staff. The most common positive theme.
  • Reliable payroll. Pay runs are rated highly positive.

Criticised for

  • Basic reporting. Limited advanced features for growing teams.
  • Slow on complex issues. Escalations take longer than first replies.
  • Fees and plan choice. Costs feel high and health plan options narrow.

Paychex

Based on 4,430 public reviews

Praised for

  • Fast payroll entry. Adding new hires and running pay is quick.
  • Named specialists. Reviewers credit their payroll and HR contacts.
  • Hands-off filings. Tax payments and filings happen without manual work.

Criticised for

  • Long support holds. Unreturned calls and transfers between teams.
  • Unexpected fees. Including charges to resubmit payroll.
  • Hard to leave. Some users report billing after cancellation.

Switching between Justworks and Paychex

Changing payroll mid-year means moving year-to-date totals so W-2s stay correct, so a quarter start is the cleanest moment. Leaving or joining a PEO also changes the employer on your benefits and workers’ comp, which takes longer than the payroll move itself.

Justworks to Paychex

Moderate effort
  1. Check your Justworks service agreement for notice terms.
  2. Export year-to-date payroll, tax and employee records.
  3. Line up replacement health plans and workers’ comp before you leave the PEO.
  4. Run a parallel payroll in Paychex before the cutover date.

Paychex to Justworks

Higher effort
  1. Confirm your one-year term so you don’t repay promotion credits.
  2. Apply early: workers’ comp approval and bank checks come first.
  3. Pick a 1st or 16th start date and match it to benefits deadlines.
  4. Move any Paychex 401(k) plan, which runs separately from payroll.

If neither fits: three alternatives

If you don’t need a PEO, a payroll specialist with published HR plans will usually beat both on price and terms. Our payroll software ranking compares the main options.

Gusto

$49 /mo + $6 per person (Simple)

Month-to-month payroll with HR tools on higher plans. A fit for teams that want no annual commitment.

Read the Gusto review →

OnPay

$49 /mo + $6 per worker

One full-service plan with W-2s, 1099s and free setup included. A fit for small payroll-only buyers.

Read the OnPay review →

Rippling

From $8 per employee/month, plus a base fee

Payroll and HR on the same record as IT and devices. A fit for teams that want one system to grow into.

Read Rippling vs Justworks →

Final verdict

Justworks is the better PEO. Paychex is the cheaper payroll start.

If you want co-employment, benefits and support you can reach at any hour, Justworks gives you all three at a published price, and it can hire abroad when you need it. If you mainly need payroll and taxes run cheaply, or you want one vendor you can grow with for years, Paychex starts lower and offers more rungs, provided you get every quote in writing.

Go with Justworks when

  • Health benefits for a small team are the priority
  • You want PEO pricing fixed before the sales call
  • You may hire outside the US

Go with Paychex when

  • You need payroll only for under 20 people
  • You want 401(k) and insurance from the payroll vendor
  • You plan to add HR outsourcing or PEO later

Get these in writing before you sign

  • Per-employee price at renewal, and how much notice you get of a change.
  • Setup or implementation fee, which Paychex mentions but doesn’t price.
  • Minimum term and exit notice, including any repayment of promotion credits.
  • Workers’ comp rate as a share of wages, by job class.
  • Health premiums per plan and state, separate from the admin fee.
  • Add-on prices for time tracking, 401(k), W-2s and 1099s.
  • Payroll tax filing liability: who pays penalties when a filing error is the provider’s.
  • Data export on exit: payroll history and tax records in a usable format.

Justworks vs Paychex: FAQs

Is Justworks or Paychex cheaper?

For payroll only, Paychex. Flex Essentials costs $39 a month plus $5 per employee, against $50 plus $8 for Justworks Payroll, so Paychex saves $492 a year at 10 employees. For a PEO, only Justworks publishes prices: $79 per employee per month for PEO Basic and $124 for PEO Plus. Paychex PEO is quote only.

How much does Paychex cost per month?

Paychex publishes one price: Paychex Flex Essentials at $39 a month plus $5 per employee, aimed at businesses with fewer than 20 employees. W-2s and 1099s cost extra on that plan. Flex Select, Pro, Enterprise, the HCM bundles, HR Pro and Paychex PEO are all quote only.

Is Justworks a PEO?

Yes. Justworks PEO Basic and PEO Plus are co-employment plans, and Justworks says its PEO is IRS-certified and ESAC-accredited. It also sells a payroll-only plan at $50 a month plus $8 per employee for companies that don’t want co-employment.

Does Paychex have a PEO?

Yes. Paychex PEO adds co-employment, benefits, workers’ compensation under its master policy and a team that includes an HR business partner. Paychex does not publish a price, and clients with 10 or more employees get a client advocate.

Which has better customer support?

Justworks, in our scoring: 4.5 against 3.5. Justworks offers 24/7 phone, email and chat on its PEO plans. Paychex offers 24x7x365 chat and phone on Flex Essentials and Select, but public reviews often mention long holds and transfers.

Can Justworks or Paychex hire employees outside the US?

Justworks can. Its employer of record costs $599 per employee per month, and its help center lists 35 countries. It also pays international contractors in 60+ countries for $39 a month each. Paychex does not publish an international hiring product.

Is there a minimum contract with Paychex or Justworks?

Neither publishes a standard minimum term. Justworks bills monthly. Paychex’s current offer of up to six free payroll months requires a one-year service agreement, and Paychex can recover the free months if you cancel early.

Do Justworks and Paychex integrate with QuickBooks?

Yes. Both list QuickBooks, Xero, NetSuite and Sage Intacct. Paychex also offers a developer API and a wider marketplace, while Justworks lists 17 curated integrations and no public API.

How we compare products

Every HR Stacks comparison uses the same method, so scores line up across all our reviews and comparisons. Affiliate links never change a verdict.

Vendor-sourced pricing

Prices come only from each vendor’s own pages. Unpublished prices are marked quote only.

Same eight parameters

Both products are scored on the parameters we use for every review in the category.

Public review analysis

We read verified buyer reviews for recurring themes, weighted by sample size.

Dated and rechecked

Every comparison shows when its prices were checked and is updated when vendors change pricing.

This website uses cookies to enhance user experience and to analyze performance and traffic on our website. By continuing to browse this site you are agreeing to our use of cookies.