By McKinley Malbrough III, J.D., MS-HRM
Published October 5, 2026. Last updated October 17, 2026.
Short answer
For most small businesses that want someone else to run payroll, benefits and HR paperwork, Justworks is the best starting point because it publishes its prices, from $79 per employee a month for its PEO. ADP TotalSource, TriNet and Insperity are stronger for larger teams or specific industries, and all four are on the IRS list of certified PEOs. If you want an HR advisor without handing over payroll and benefits, Bambee assigns a dedicated HR manager for a flat monthly fee.
Software runs HR tasks. A service runs them for you. When a small business owner tells me they want HR “off their plate,” they usually mean a service: someone else handles payroll, benefits enrollment, workers’ compensation and the compliance paperwork, and answers the phone when an employee issue comes up. There are hundreds of providers selling that. These are the five I would shortlist.
Disclosure: This is my opinion. None of these companies sponsors Urban Human Resources, none of the links below are affiliate links, and I earn nothing if you sign with any of them. Urban Human Resources is a consulting firm, not one of these services, and it is not on this list.
Four of the five are professional employer organizations, or PEOs. A PEO becomes the employer of record for tax and benefits purposes while you keep running the business, which is how a 10-person company gets access to large-group health plans. The fifth is an outsourced HR manager, which gives you advice and policies without the employer arrangement.
| Rank | Service | Model | Best for | Published price | IRS certified PEO |
|---|---|---|---|---|---|
| 1 | Justworks | PEO | Small teams that want clear pricing | From $79 per employee/month | Yes |
| 2 | ADP TotalSource | PEO | Growing teams wanting deep support | Quote | Yes |
| 3 | TriNet | PEO | Industry-specific benefits | Quote | Yes |
| 4 | Insperity | PEO | Hands-on HR service and training | Quote | Yes |
| 5 | Bambee | Outsourced HR manager | Advice and policies, payroll kept in-house | Flat monthly fee by headcount | Not a PEO |
I compared the providers that appear most often in 2026’s published rankings of small business HR services and PEOs, then checked every PEO against the IRS’s own list. The IRS certifies PEOs that meet its financial, bonding and reporting standards, and publishes the list. Every PEO on this list appears on the IRS list of active certified PEOs dated August 7, 2026. I weighted published pricing, support quality reported in independent reviews, and fit for businesses under 50 employees. Start with whether you need HR at all.
Justworks is the only major PEO that publishes a full price list: its PEO starts at $79 per employee a month, with a payroll-only plan at $50 a month plus $8 per employee for teams that do not need benefits yet (Justworks pricing). Support is available around the clock, and the platform is simple enough to run without an HR person. Falls short: health insurance premiums are billed on top of the per-employee fee, and both PEO tiers rose in price between 2025 and 2026, so confirm the current rate in writing. If you want the software side, start with Part 1 of my HR software series.
ADP TotalSource is ADP’s PEO, and it brings the scale of the country’s largest payroll company: a large benefits pool, HR specialists and tax filing in every state. It is a strong fit for a company that expects to pass 50 employees and wants a provider it will not outgrow. Falls short: pricing is quoted by sales, contracts are more involved than Justworks’, and smaller clients can feel like smaller clients.
TriNet, headquartered in Dublin, California, builds its PEO around industry: tech, professional services, nonprofits, life sciences and others each get benefits packages and HR support shaped to that sector. For a Bay Area startup or nonprofit, that specialization is useful. Falls short: pricing is quoted, and reviewers often call it expensive for very small teams.
Insperity is the most hands-on PEO on this list, with dedicated HR specialists and a strong training catalog for managers and employees. If you want a provider that acts like an HR department rather than a platform, it is the closest match. Falls short: pricing is quoted, and it is usually the most expensive of the four PEOs here.
Bambee is not a PEO. It assigns you a dedicated HR manager who writes your policies, helps with write-ups and terminations, and answers questions by chat, email and phone, while you keep your own payroll and benefits. It charges a flat monthly fee by headcount band rather than per employee. Bambee advertises plans from $99 a month, and month-to-month list prices reported in mid-2026 ran from $299 for 1 to 4 employees to $699 for 20 to 49 (Capterra listing). Falls short: one HR manager across many clients is advice at a distance, not someone who knows your business, and California’s local ordinances are where generic advice tends to break.
A certified PEO, or CPEO, has passed an IRS review of its finances, bonding and reporting. The practical benefit is protection: when you use a CPEO, the CPEO is generally responsible for the federal employment taxes on the wages it pays, which reduces your exposure if the PEO fails to remit them. Any PEO can say it is certified. Check the name on the IRS list yourself before you sign, and match the legal entity name in your contract to the name on the list. My two tips for HR outsourcing walk through that check.
When the problem is judgment, not administration. A PEO will run payroll and benefits well, but it will not tell you whether your bonus plan creates pay equity risk, how to restructure a team, or how a San Francisco ordinance changes your scheduling. And a service is rarely the cheapest option under about 10 employees, where good HR software plus occasional expert help usually costs less. The comparison of fractional HR, a PEO and a first HR hire shows where each model wins, and what fractional HR costs in the Bay Area puts numbers on it. If you are about to sign with a PEO and want a second set of eyes on the contract and the setup, that review is part of my HR compliance check-up.
If you are choosing an individual consultant and not a service, read how to hire a California HR consultant.
McKinley holds a J.D. but is not a licensed attorney. Articles here are general information, not legal advice. For your specific situation, talk with an employment attorney.
Data current as of September 2026. Sources are linked where each figure appears.
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This article is general information, not legal advice. Laws change and every situation is different; for advice on yours, talk with an employment attorney.
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