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ADP TotalSource vs TriNet

ADP TotalSource5.7/10

TriNet6.9/10

Scored in PEO Services

The short answer

Both PEOs price by quote. ADP TotalSource, an IRS-certified PEO run by ADP, assigns a dedicated HR business partner and bundles payroll, benefits, workers' compensation and compliance.

By LeadChange Research TeamUpdated Based on 10 sources, most recently checked
Best for
Small and midsize businesses that want a full-service PEO from ADP

Choose ADP TotalSource if

  • You want ADP MyLife Advisors, ADP's employee support line, as part of the PEO.
  • You want pet wellness and an EAP alongside medical, dental, vision and 401(k).
  • You want applicant tracking, background checks and a career site from the PEO.
  • You want to be live within a few weeks.
Best for
Small and mid-size businesses that want a full-service PEO

Choose TriNet if

  • You want compliance support tailored to your industry; TriNet names healthcare, technology and finance among others.
  • You want HR support without co-employment through HR Plus (ASO).
  • You sync payroll with QuickBooks Online, NetSuite, Xero or Sage Intacct.
  • You need single sign-on through Azure, Google, Okta or OneLogin.

LeadChange Score: editorial assessment based on public information.

Scorecard

ADP TotalSource wins 0TriNet wins 22 ties

ADP TotalSource vs TriNet by dimension
DimensionADP TotalSourceTriNet
PricingBoth price by quote. TriNet charges a flat per-employee administrative fee, with benefit premiums and payroll taxes billed separately. Quote only1Quote onlyQuote only
CapabilitiesADP TotalSource covers payroll and tax, benefits, workers' compensation, HR compliance, recruiting, onboarding and analytics. TriNet covers PEO and ASO plans, payroll and tax, benefits, compliance, time and attendance, performance and recruiting. Payroll and tax administration, Benefits administration, Workers' compensation and risk management, HR compliance, Talent acquisition, Onboarding, Analytics and reporting19 of 10 core capabilities9 of 10 core capabilities
IntegrationsTriNet lists 12 integrations, including QuickBooks Online, NetSuite, Xero, Sage Intacct and BambooHR, and offers an API. ADP TotalSource publishes no integration list on the pages we reviewed. 1222 documented10 documented (vendor says 12)
SecurityTriNet states SOC 2 Type II and HIPAA and supports single sign-on. ADP TotalSource is less suited to buyers who need a named certification on the PEO's own pages. Yes (per its 2023 white paper)3None verifiedSOC 2

ADP TotalSource or TriNet: what matters most to you?

We match on verified product facts for this need, never on who pays us.

Key differences

Where ADP TotalSource and TriNet differ (5)
AttributeADP TotalSourceTriNet
Pricing modelQuote only1Per employee4
Mobile appsADP mobile app1TriNet mobile app (pay stubs, time off)5
Support channelsDedicated HR business partner, ADP MyLife Advisors (employee support)1Phone, Online, Advisory support (HR Plus), Dedicated support (HR Plus)4
Founded1949619887
HeadquartersRoseland, New Jersey, US8Dublin, California9
Show 4 attributes where they are the same
Where they are the same (4)
AttributeADP TotalSourceTriNet
Price transparencyQuote only1Quote only4
Best forSmall businesses, mid-market companies1Small businesses, mid-market companies7
Automatic tax filing14
OwnershipPublicly traded6Publicly traded7

Analysis by dimension

Pricing. Both price by quote. TriNet charges a flat per-employee administrative fee, with benefit premiums and payroll taxes billed separately.

Capabilities. ADP TotalSource covers payroll and tax, benefits, workers' compensation, HR compliance, recruiting, onboarding and analytics. TriNet covers PEO and ASO plans, payroll and tax, benefits, compliance, time and attendance, performance and recruiting.

Integrations. TriNet lists 12 integrations, including QuickBooks Online, NetSuite, Xero, Sage Intacct and BambooHR, and offers an API. ADP TotalSource publishes no integration list on the pages we reviewed.

Fit and support. ADP TotalSource assigns a dedicated HR business partner and offers ADP MyLife Advisors to employees. TriNet offers phone and online support, with dedicated support on HR Plus.

Security. TriNet states SOC 2 Type II and HIPAA and supports single sign-on. ADP TotalSource is less suited to buyers who need a named certification on the PEO's own pages.

Neither one?

Justworks

Justworks has the highest LeadChange Score in PEO Services after excluding these two (9.7/10).

From $79/employee/mo (PEO Basic plan)10

Justworks review

Frequently asked questions

Is TriNet better than ADP TotalSource?

It depends on the company. TriNet cites compliance support tailored to healthcare, technology, finance and other industries and offers an ASO option without co-employment; ADP TotalSource assigns a dedicated HR business partner and adds recruiting tools.

Are ADP and ADP TotalSource the same?

ADP TotalSource is ADP's PEO: it co-employs your staff and has been an IRS-certified PEO since 2017.

Does ADP TotalSource still exist?

Yes. ADP TotalSource is ADP's current PEO, covering payroll, benefits, workers' compensation and HR compliance in all 50 states.

How much do ADP TotalSource and TriNet cost?

Both quote their prices. TriNet charges a flat per-employee administrative fee and bills benefit premiums and payroll taxes separately.

Do ADP TotalSource and TriNet include workers' compensation?

Both handle workers' compensation: TriNet's fee covers workers' comp administration, and ADP TotalSource assigns a workers' comp claims specialist. Neither publishes whether premiums are in the fee, so ask for them as a separate line in the quote.

Is ADP TotalSource or TriNet more secure?

TriNet states SOC 2 Type II and HIPAA (unverified for ADP TotalSource).

Who are ADP TotalSource’s biggest competitors?

ADP TotalSource ranks #10 of 24 in our PEO services ranking. Besides TriNet, the highest-scored are Justworks, G&A Partners, and PrestigePEO. Every alternative, matched to the reason you might switch: ADP TotalSource alternatives.

How this page was made

  • What it is built from

    26 verified facts, each checked against the vendor's own pages or another primary source, most recently on Nov 13, 2026.

  • Method

    Scored and compared with the LeadChange methodology, version 1.5. Read the methodology

  • Independent review

    Our independent review of Oct 30, 2026 asked for changes. How we review

  • Hands-on testing

    We have not tested either product hands-on: this page uses public information only.

  • Who made it

    The LeadChange Research Team, following a written research process. No named expert has reviewed this page. About us

  • Independence and errors

    Who pays us never changes a score or a rank. If something here is wrong, tell us and we correct it publicly. Request a correction

ADP TotalSource or TriNet? Your answer in 3 questions

Your team size, what matters most and your role: see which one fits more of your answers, from verified facts. Then a matching service that takes requests through us can connect you with providers who quote.

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ADP TotalSource vs TriNet

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Sources

The 10 pages this page's facts come from. The date beside each is our last check of the facts taken from it (the oldest, when they differ). The numbers beside the figures above link here.

Quotes from the sources
  1. ADP adp.com/solutions/employer-services/totalsource.aspx“ADP TotalSource pricing is quoted rather than listed, since it is built around factors that are specific to your business” “A highly specialized team of specialists works alongside your HR business partner”
  2. TriNet trinet.com/customer-resource-center/technology/integration-center“TriNet integrates with many systems:”
  3. TriNet assets.contentstack.io/v3/assets/blt9ccc5b591c9e2640/blt2147f424591a508f/657239817631d147b77ffb80/TriNet_Security_and_Privacy_White_Paper_2023.pdf“a SOC 2 Type 2 report for the TriNet platform. Current copies and corresponding bridge letters (issued each calendar quarter) are available upon request and are reserved for existing customers.” “TriNet maintains a HIPAA compliance framework that monitors and tracks our compliance to the requirements of HIPAA.”
  4. TriNet trinet.com/peo/pricing“PEPM stands for "Per Employee Per Month" and is the pricing method TriNet uses to determine your administrative cost.” “HR support for you and your employees—whether it’s benefits or payroll questions, assistance is available by phone or online.”
  5. TriNet trinet.com/peo“Our platform also lets your employees view pay stubs and request time off conveniently from our mobile app.”
  6. Wikipedia en.wikipedia.org/wiki/Automatic_Data_Processing“Starting in 1949 in an office above a Paterson” “On October 21, 2008, ADP switched its stock listing to the NASDAQ Global Select Market”
  7. TriNet trinet.com/about-us“30+ in business, founded in 1988” “Power the success of small and medium-size businesses by supporting their growth and enabling their people.”
  8. ADP adp.com/about-adp.aspx“1 ADP Blvd., Roseland, NJ 07068.”
  9. TriNet trinet.com/locations“Headquarters One Park Place Suite 600 Dublin, CA 94568”
  10. Justworks justworks.com/pricing“Justworks PEO pricing starts at $79 per month per employee for our Basic plan and $124 per month per employee for our Plus plan. Justworks Payroll customers pay $8 per month per employee plus a $50 base fee.”

What the LeadChange Score means

A 0–10 editorial assessment built only from verified facts, across six weighted dimensions: capabilities, pricing, integrations, security, fit and support, and data confidence.

Payments, commissions and lead fees are never inputs.