ADP Comprehensive Services Review
by ADP, Inc.
ADP Comprehensive Services is ADP's modular HR outsourcing service: designated HR, payroll, benefits and talent specialists working on the ADP Workforce Now suite while the business remains the sole employer of record.
Best for
- Employers with 25 or more employees that want to outsource HR administration but stay the employer of record
- Companies that want to outsource one function (payroll, HR, benefits or talent) and keep others in-house
- Mid-market and enterprise employers already on or moving to ADP Workforce Now
Not ideal for
- Businesses with fewer than 25 employees
- Buyers who need published prices
- Employers that want a co-employment PEO that shares employment liability (ADP's is TotalSource)
How we evaluated ADP Comprehensive Services
This review rests on the 14 facts this page shows, each checked against the source listed under “Sources”, most recently on . We did not test the product hands-on: the score uses only those verified facts, as our methodology explains; third-party ratings, where we quote them, never count in the score.
Our verdict
ADP Comprehensive Services is ADP's modular HR outsourcing service for employers with 25 or more employees: designated HR, payroll, benefits and talent specialists on the ADP Workforce Now suite, while the business stays the sole employer of record. ADP, founded in 1949 and listed on Nasdaq, quotes it by bundle; no prices are published.
Strengths
Sole employer of record
ADP states the client remains the sole employer of record and ADP does not share employment liability, unlike its TotalSource PEO.
Evidence: No co-employment: Yes1
Modular bundles
Four bundles (HR, Payroll, Benefits, Talent), each with a named specialist, a strategic advisor and the Workforce Now suite.
Evidence
Modules: HR, Payroll, Benefits administration, Talent management1
Compliance in each service area
Payroll tax filing, ACA filings and COBRA administration and multi-state HR guidance are part of the service.
Evidence: Automatic tax filing: Yes1
Price at a glance
Quick answers
- How much does ADP Comprehensive Services cost?
- ADP quotes each bundle and publishes no prices. Several add-ons, such as global payroll integration, leave administration and third-party integrations, carry an additional fee.Based on Price transparency: Quote only2
- Is ADP Comprehensive Services a PEO?
- No. ADP says the client remains the sole employer of record; its PEO is ADP TotalSource, which uses co-employment.Based on No co-employment: Yes1
- What size companies does it serve?
- Small businesses with 25 to 149 employees, midsized companies with 150 to 999 and enterprises with 1,000 or more.Based on Best for: Small businesses, mid-market companies, enterprises1
- What are the ADP Comprehensive Services bundles?
- Four: Comprehensive HR, Payroll, Benefits and Talent. Each pairs a named specialist (HR, payroll or benefits specialist, or a talent consultant) with a strategic advisor, business reviews and the ADP Workforce Now suite.Based on Key features: Strategic advisor aligned to clients, Ongoing business reviews, Employee and manager phone support, ADP Workforce Now technology suite, ADP DataCloud Analytics, Employee self-service, ACA compliance dashboard, COBRA administration, Business expansion tax registration services2
Coverage of core ASO services capabilities
Each core capability we evaluate in ASO Services, checked against ADP Comprehensive Services’ own documentation. “Not verified yet” means we have not confirmed it either way, not that it is missing.
7 verified of 8 core capabilities
Specifications
ADP Comprehensive Services alternatives
AsureWorks90% similar
C2 Essentials ASO90% similar
Connor & Gallagher OneSource ASO90% similar
Easeworks ASO90% similar
XcelHR ASO80% similar
VertiSource HR ASO70% similar
About ADP, Inc.
Official profiles
ADP Comprehensive Services: frequently asked questions
What are the ADP Comprehensive Services bundles?
Four: Comprehensive HR, Payroll, Benefits and Talent. Each pairs a named specialist (HR, payroll or benefits specialist, or a talent consultant) with a strategic advisor, business reviews and the ADP Workforce Now suite.
What is the difference between ADP Comprehensive Services and ADP Workforce Now?
Workforce Now is ADP's HR, payroll and benefits software. Comprehensive Services runs on it and adds ADP specialists who do the work, a strategic advisor and phone support for employees and managers.
Does ADP Comprehensive Services handle payroll taxes and COBRA?
Yes. ADP's payroll team manages tax filing and regulatory updates, and its benefits specialists handle ACA filings and COBRA administration for the plans you sponsor.
Who makes ADP Comprehensive Services?
ADP, Inc., the payroll company founded in 1949 and listed on Nasdaq, sells it next to ADP TotalSource, its co-employment PEO. Comprehensive Services runs on ADP Workforce Now.
What are the best alternatives to ADP Comprehensive Services?
Other ASOs that keep you as the sole employer include TriNet HR Plus, Paychex's HR Pro and HR Partner Plus plans, Insperity HRCore and Connor & Gallagher OneSource's ASO; the ASO services ranking orders them by LeadChange Score. If you want co-employment instead, ADP's own PEO is TotalSource.
What are the pros and cons of ADP Comprehensive Services?
Strengths documented on the vendor’s own pages: sole employer of record, modular bundles, and compliance in each service area. It is less suited to businesses with fewer than 25 employees and buyers who need published prices.
Does ADP Comprehensive Services have a mobile app?
Yes. ADP Comprehensive Services lists mobile apps: ADP mobile app.
How this page was made
What it is built from
14 verified facts, each checked against the vendor's own pages or another primary source, most recently on Nov 2, 2026.
Method
Scored and compared with the LeadChange methodology, version 1.5. Read the methodology
Independent review
Passed our independent review on Nov 7, 2026. How we review
Hands-on testing
We have not tested ADP Comprehensive Services 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
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ADP Comprehensive Services
Sources
The 4 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
- ADP ADP Comprehensive Services“It serves small businesses with 25 to 149 employees, midsized companies with 150 to 999 employees, and large enterprises with 1,000 or more employees.” “You can keep certain functions in-house while outsourcing others based on your team’s capacity and priorities.”
- ADP adp.com/what-we-offer/products/adp-comprehensive-services/compare-options.aspx“Talk to sales 800-225-5237 Let's Talk” “*Services available for an additional fee”
- ADP sec.gov/Archives/edgar/data/8670/000000867026000030/adp-20260630.htm“In 1949, our founders established ADP with a simple, innovative idea: help clients focus on their business by solving their payroll challenges.” “its corporate headquarters in Roseland, New Jersey”
- Wikipedia en.wikipedia.org/wiki/Automatic_Data_Processing“Starting in 1949 in an office above a Paterson”