Rankings updated Oct 27, 202627 PEOs scored15 IRS-certifiedNo pay-to-rank. How scoring works
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Head to head · scores updated Oct 27, 2026

Justworks vs ADP TotalSource: scored side by side

Justworks scores 100 and ADP TotalSource scores 77 out of 100. ADP TotalSource starts lower: ~$70–$200/employee/mo versus $79–$124/employee/mo (estimates labeled).

Score breakdown

FactorMaxJustworksADP TotalSource
IRS CPEO certification303030
ESAC accreditation202020
Price transparency202010
Contract flexibility10100
Small-business access10107
Coverage101010
Total10010077

Side by side

JustworksADP TotalSource
Trust Score100 / 10077 / 100
Price$79–$124/employee/mo Published~$70–$200/employee/mo Estimate
Pricing modelFlat PEPM% of payroll or PEPM
CertificationCPEOESACCPEOESAC
Minimum employeesNone5 employees
Best fit1–100 employees10–200 employees
ContractMonth-to-monthMulti-year terms reported
CoverageNationalNational
IndustriesTech and startups, Professional servicesProfessional services, Financial services
25 employees, admin fee per year$23,700–$37,200$21,000–$60,000
StrengthsPublished pricing · Month-to-month, no implementation fee · CPEO certified and ESAC accreditedScale and decades of payroll-tax infrastructure · Annual benefits benchmarking · CPEO and ESAC
Watch out forPer-employee cost doesn't fall with size · Limited reporting and leave toolsPayroll-based fees rise with raises · Long contracts reported · Underwriting may turn away high-risk industries

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Questions buyers ask

Which ranks higher, Justworks or ADP TotalSource?

Justworks ranks higher, 100 to 77. The score uses certification, price transparency, contract terms, minimum headcount and coverage only.

Is Justworks cheaper than ADP TotalSource?

ADP TotalSource starts lower: ~$70–$200/employee/mo versus $79–$124/employee/mo (estimates labeled).

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