Insperity

Full-service PEO with dedicated HR support teams

IRS CPEO CertifiedEst. 1986
VS
ADP TotalSource

Enterprise-grade PEO backed by the ADP payroll infrastructure

IRS CPEO CertifiedEst. 1949
Our Verdict: Close Call

Insperity and ADP TotalSource are genuinely comparable — both IRS CPEO certified, both serving the full range of business sizes, both with the depth to handle complex HR needs.

Side-by-Side Comparison

Feature
Insperity
ADP TotalSource
IRS CPEO Certified
Yes
Yes
Founded
1986
1949 (ADP)
Service Model
Dedicated HR team per client
Technology-led with HR advisors
Best For
10 to 5,000 employees
10 to 1,000+ employees
Coverage
All 50 states
All 50 states
Payroll Technology
Proprietary platform
ADP enterprise payroll system
HR Support Model
Dedicated team — high continuity
HR advisors available on demand
Benefits Access
Fortune 500-level plans
Broad national benefit options
Brand Recognition
Well-regarded in PEO market
Most recognized payroll brand in US
Reporting Depth
Standard analytics
Enterprise-grade reporting

Insperity Overview

Insperity
Kingwood, TX · Est. 1986
CPEO ✓
Best For

Mid-size businesses seeking dedicated HR teams and high-touch service

Pricing

Custom quote — typically $150 to $200+ per employee per month

Strengths
Dedicated HR team assigned to every client account
IRS CPEO certified with 35+ years of PEO experience
Fortune 500-level benefit plans at small-business pricing
Strong compliance and risk management included
Considerations
Premium pricing — higher than many competitors
Minimum employee requirements may exclude very small businesses
View full Insperity profile

ADP TotalSource Overview

ADP TotalSource
Roseland, NJ · Est. 1949
CPEO ✓
Best For

Established businesses wanting enterprise payroll infrastructure and brand reliability

Pricing

Custom quote — competitive enterprise pricing

Strengths
Backed by ADP — the most recognized payroll brand in the US
IRS CPEO certified with industry-leading compliance tools
Extensive technology platform and enterprise reporting
Deep integration with ADP payroll and time-tracking systems
Considerations
Large-company orientation may feel impersonal for smaller clients
Platform complexity carries a learning curve
View full ADP TotalSource profile

Our Verdict

Close Call — Depends on Your Needs

Insperity and ADP TotalSource are genuinely comparable — both IRS CPEO certified, both serving the full range of business sizes, both with the depth to handle complex HR needs. The decision comes down to what you value most: Insperity delivers a higher-touch relationship-driven service model with dedicated HR teams. ADP TotalSource delivers enterprise-grade payroll technology backed by the most recognized name in payroll processing. Neither is a wrong choice for a mid-size business.

Choose Insperity if...

Choose Insperity if high-touch HR support and a dedicated team relationship are your top priorities. Insperity clients value the account management model and the sense that someone knows their business.

Choose ADP TotalSource if...

Choose ADP TotalSource if enterprise payroll technology, reporting depth, and the trust of the ADP brand are what matter most. Businesses already in the ADP ecosystem will find TotalSource a natural fit.

Frequently Asked Questions

Editorial Independence

This comparison is editorially independent. Featured placements elsewhere on PEO Authority are paid visibility — they do not influence comparison verdicts or analysis. All information is based on publicly available data and IRS CPEO certification records.

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