Insperity and ADP TotalSource are two of the largest PEO providers in the US. Insperity is known for white-glove HR service and deep employer guidance, while ADP TotalSource leverages ADP's scale and payroll infrastructure. This comparison helps HR leaders and CFOs choose between them.
Insperity vs ADP TotalSource: the short answer
Choose Insperity if your priority is hands-on HR support and you have 10–150 employees who need active guidance. Choose ADP TotalSource if you're already embedded in the ADP ecosystem, have a global or fast-scaling workforce, or need deep payroll compliance at scale.
Insperity is the premium PEO for small and mid-sized businesses that want Fortune 500-level employee benefits, dedicated HR consulting, and comprehensive compliance management without building an internal HR department.
ADP TotalSource is the PEO division of ADP, the largest payroll and HR technology company in the world.
Side-by-side comparison of pricing, deployment, platform support, and trial availability for peo buyers.
| Pricing | Insperity | ADP TotalSource |
|---|---|---|
| Starting price | Quote only (no public pricing)Estimated, quote-based | ~$70-$210 per employee/mo admin (est.)Estimated, quote-based |
| Typical cost | ~$110-$200 per employee/mo for 5-25 staff (market est.)Estimated, quote-based | ~$140-$185 per employee/mo admin at 26-50 staff (est.)Estimated, quote-based |
| Billing unit | per employee per month or % of payroll | per employee per month |
| Free trial | No free trial (consultation and quote) | No free trial (consultation and quote) |
| Price transparency | Quote only (range from third-party sources) | Quote only (range from third-party sources) |
Prices verified Sep 2026. Sources: Insperity: PEO Clarify: PEO pricing explained (Apr 2026), Insperity: PEO Clarify: TriNet vs Insperity vs ADP TotalSource (Apr 2026), Insperity: RemotePeople Insperity review (June 3, 2026): pricing by request only, ADP TotalSource: PEO Clarify ADP TotalSource review (updated Apr 2026).
Full plan tables: Insperity pricing, ADP TotalSource pricing.
Insperity positions itself as an embedded HR partner rather than a vendor. Its model pairs each client with a dedicated HR specialist who handles benefit disputes, termination guidance, and workforce planning — not just payroll runs. For founder-led companies without a senior HR function, this is meaningfully different from a self-serve platform.
ADP TotalSource draws on ADP's infrastructure for payroll, tax compliance, and benefits procurement. For buyers who already use ADP Workforce Now or Run, TotalSource offers a credible upgrade path into PEO co-employment without re-platforming.
| Feature | Insperity | ADP TotalSource |
|---|---|---|
| HR support model | Dedicated HR specialist per account | Service center + dedicated team |
| Payroll processing | Proprietary | ADP platform (same as standalone ADP) |
| Benefits buying power | Strong (Fortune 500-tier) | Strong (Fortune 500-tier) |
| Workers' comp | Included in PEO model | Included in PEO model |
| Multi-state support | Yes | Yes |
| Global payroll | Limited (via partners) | Yes (ADP Global Payroll) |
| Minimum size | 5 employees | 5 employees |
Both PEOs use either percentage-of-payroll or per-employee-per-month pricing — final numbers depend heavily on your headcount, benefits elections, and state mix. Neither publishes a rate card, so expect a consultative sales process on both sides. PEO advisor data (PEO Clarify, 2026) puts ADP TotalSource admin fees at about $70 to $210 per employee per month, with smaller companies at the higher end. No current source gives Insperity-specific figures; full-service PEOs of its type run about $60 to $200 per employee per month. Health insurance and workers' comp are billed on top.
Both providers offer access to large-group medical, dental, vision, and 401(k) plans that small employers couldn't otherwise access. Insperity tends to offer a tighter curated selection. ADP TotalSource has broader carrier variety in some regions.
Co-employment means both providers share employer liability. Insperity handles employment law compliance, EPLI, and safety training. ADP TotalSource includes ADP's compliance engines, which are particularly well-tuned for multi-state payroll tax.
Insperity's HR platform (Workforce Optimization) is functional but not a standout. ADP TotalSource runs on ADP's platform — familiar if your team has used ADP, but the UX is dated by modern standards. Neither platform is a reason to choose one over the other.
Choose Insperity if your priority is hands-on HR support and you have 10–150 employees who need active guidance. Choose ADP TotalSource if you're already embedded in the ADP ecosystem, have a global or fast-scaling workforce, or need deep payroll compliance at scale.
Get notified when this comparison is updated — pricing changes, new features, and editorial revisions.
A PEO (Professional Employer Organization) enters a co-employment arrangement with your company. The PEO becomes the employer of record for tax and insurance purposes, which lets your employees access Fortune 500-level benefits and the PEO's workers' comp rates. You keep day-to-day control of your employees.
ADP TotalSource is backed by ADP, one of the largest HR technology companies in the world. Insperity is a large standalone PEO with over 300,000 worksite employees across the US. Both are ESAC and IRS-certified.
Yes. Both providers work with companies as small as 5 employees, though pricing tends to favor larger headcounts. Under 15 employees, it's worth comparing a PEO to simply purchasing small-group health insurance directly.
Both typically take 4–8 weeks to fully onboard, including benefits enrollment, payroll migration, and HR system setup. Plan for the onboarding period to require active HR bandwidth from your side.
Full profiles with pricing details, integrations, and editorial reviews.
Insperity
Insperity is the premium PEO for small and mid-sized businesses that want Fortune 500-level employee benefits, dedicated HR consulting, and comprehensive compliance management without building an internal HR department.
ADP TotalSource
ADP TotalSource is the PEO division of ADP, the largest payroll and HR technology company in the world.
Insperityvs
TriNet ZenefitsInsperity and TriNet are both established PEOs for mid-market companies, but they operate differently. Insperity assigns a dedicated service team — HR manager, payroll specialist, benefits consultant, and performance advisor — that functions like an outsourced HR department. TriNet organizes clients by industry vertical and tailors benefits, compliance, and consulting to sector-specific norms. Insperity is the white-glove service PEO. TriNet is the industry-specialist PEO. Both are IRS-certified. Both serve 50-500 employee companies. The difference is whether you want depth of service or depth of industry expertise. Not sure? Take the quick quiz below.
TriNet Zenefitsvs
ADP TotalSourceTriNet is the stronger PEO for companies in tech, professional services, and life sciences that want industry-specialised benefit packages and a PEO with deep vertical expertise. ADP TotalSource is the stronger call for companies that need ADP's compliance infrastructure, want to stay within the ADP ecosystem as they grow beyond PEO, and where the ADP brand carries weight with investors or the board. The deciding signals are industry vertical, growth trajectory, and exit strategy.
