ADP TotalSource PEO: pricing, minimums and fit
Established mid-market companies.
IRS Certified PEO
Last verified November 4, 2026. Suggest a correction
| Founded | 1949 |
|---|---|
| Headquarters | Roseland, NJ |
| Company size | About 67,000 employees (ADP, 2025) |
| Pricing | No published PEO pricing. Quote required. |
| Pricing model | Quote only |
| Minimum employees | 5 employees |
| Best for | Established mid-market companies |
| IRS certification (CPEO) | Yes, on the IRS list. IRS list, August 7, 2026 |
| ESAC accreditation | Not confirmed in the sources we reviewed. Ask the provider or check ESAC. |
Carriers, 401(k) and workers' comp
| ADP TotalSource | |
|---|---|
| Health carriers | Multiple carrier choices; carriers not named ADP comparison page · Provider site |
| 401(k) provider | ADP TotalSource Retirement Savings Plan, a multiple employer 401(k) with 23 funds, 6,500+ adopting employers, 348,000 participants and $9B+ in assets (Sept 30, 2024); total cost 0.26% to 1.01%. Materials are branded Voya, which suggests Voya as recordkeeper (inferred, not stated) Voya/ADP cost brochure · Provider site · Sept 30, 2024 |
| Workers' comp | Workers' comp insurance with claims support, safety support and 24/7 nurse triage; carrier not named ADP comparison page · Provider site |
| Other named partners | Not publicly listed yet. We will get this for you: request a quote and we will include it. |
Due diligence checked November 4, 2026. We only list carriers and partners that a filing, the provider or a named review states. Many PEOs do not publish their carriers or recordkeepers, so "not publicly listed" means we could not find it, not that none exists. If something is missing, request a quote and we will get it from the PEO for you. Lineups vary by state and change at renewal. Source types: SEC filing (strongest), provider site, third-party review.
Questions to ask before you sign
- Which medical carriers and networks are available in my state and zip code?
- Are the health plans fully insured or partially self-funded, and who bears claims risk?
- Who is the 401(k) recordkeeper, and what are the total plan fees and match options?
- Who is the workers' comp carrier, how are rates set, and what happens to my experience rating if I leave?
- Is the entity that will employ my staff on the IRS CPEO list, and is it ESAC accredited?
- What renewal increase did your plans see in each of the last 3 years?
Strengths
- Large scale with more than half a million worksite employees reported
- Broad HR, payroll and benefits administration
Good to ask about
- Pricing is not published
- Cost structure is reported as better suited to larger teams
Compare ADP TotalSource
Frequently asked questions
How much does ADP TotalSource cost?
No published PEO pricing. Quote required.
What is the minimum number of employees for ADP TotalSource?
ADP TotalSource lists or is reported to have a minimum of 5 employees.
Who is ADP TotalSource best for?
Established mid-market companies.
Sources
Checked November 4, 2026. Details come from third-party reviews and vendor pricing pages and may be out of date.