What is a PEO?
A professional employer organization (PEO) is a third-party HR partner that shares employer responsibilities through a co-employment arrangement, helping businesses manage payroll, benefits, compliance, and other HR functions while maintaining control over employees and day-to-day operations. By pooling employees across multiple clients, PEOs can often provide access to better benefits, HR expertise, and compliance support than many small businesses can secure on their own. After evaluating the market, these are my top picks for the best PEO services:
| Providers | Best for | Starting monthly price |
| Justworks | Overall PEO service | $79/employee |
| ADP TotalSource | Midsized businesses with complex HR needs | Call for a quote |
| Paychex PEO | Customizable services | Call for a quote |
| TriNet PEO | Industry-specific HR support | Call for a quote |
| Remote PEO | Companies with global expansion plans | $99/employee |
| Rippling PEO | HR automation | Call for a quote |
Did you know? NAPEO data shows that companies using a PEO grow twice as fast, have 12% lower employee turnover, and are 50% less likely to go out of business than companies that do not use one. That can make partnering with the right PEO worthwhile if you want to support growth, strengthen staff retention, and reduce some of the HR risk that comes with scaling.
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Best PEO services compared
| Provider | ESAC & IRS certification* | Compliance support | Breadth of HR services** | My score (out of 5) |
| Justworks | Yes | Strong | Broad | 4.09 |
| ADP TotalSource | Yes | Excellent | Extensive | 3.59 |
| Paychex PEO | Yes | Excellent | Extensive | 3.55 |
| TriNet PEO | Yes | Excellent | Extensive | 3.55 |
| Remote PEO | No | Good | Moderate | 3.51 |
| Rippling PEO | No | Good | Broad | 3.50 |
*ESAC accreditation and IRS CPEO certification show that a PEO has met certain financial, operational, and tax-related standards. They’re widely recognized credibility markers in the PEO industry, but a provider without them may still be a good option if it offers strong compliance support, clear terms, and the right services for your business.**This refers to how much support each provider offers across core PEO functions, including payroll, benefits administration, workers’ compensation, HR guidance, compliance, risk management, reporting, and employee self-service tools.

Justworks: Best overall PEO service
Overall Reviewer Score
4.09/5
Risk & compliance:
3.20/5
HR services
3.10/5
Payroll services
4.38/5
Benefits admin services
4.63/5
Pricing
4.56/5
Platform/interface
4.63/5
Customer support
4.63/5
Pros
- Transparent PEO pricing
- ESAC and IRS certified
- Clean, intuitive platform with minimal learning curve
- 24/7 customer support via phone, email, chat, Slack, and SMS
- Strong fit for small businesses new to PEO services
Cons
- Less automation-focused than Rippling
- Health plans and wellness perks included in higher tier
- Limited HR functions compared to most of the PEOs in this guide
- May not be the best fit for larger companies with complex HR support needs
Why I chose Justworks
With transparent pricing, simple software, and 24/7 support, Justworks is an excellent option if you need reliable PEO services without the heavier setup of larger providers. If your team has straightforward HR needs, Justworks can help you control costs, keep up with employment requirements, and offer employees benefits that may be harder to access on your own.
Its platform brings payroll, HR tools, benefits administration, compliance resources, analytics, integrations, and HR consulting into one place. That matters for small to midsized businesses (SMBs) that need more structure but do not want an enterprise-style HR software.
However, Justworks does not offer the same level of advanced analytics, customization, or deep compliance infrastructure as some competitors in this guide. ADP TotalSource is stronger for complex HR support, while Rippling PEO is the better fit if you want more workflow automation and HR tech flexibility.
Justworks is one of the two PEO services in this guide that publishes its pricing online. That makes it easier for you to compare costs and features before entering a sales process. Its transparency also signals predictable per-employee pricing as your team grows, which matters when budgeting for headcount at the early stages of building a business.
Large-group benefits access with wellness perks
Signing up for the Justworks PEO Plus plan adds medical, dental, and vision administration alongside COBRA administration and HSA/FSA accounts. Mental health services are also available through providers like Talkspace, including fertility benefits via Kindbody.
This benefits depth is comparable to what you’d see from ADP TotalSource, but Justworks makes it available at a smaller employee threshold. For companies competing for talent against better-resourced employers, this levels the playing field in a concrete, measurable way.
For PEO, Justworks has two plans:
- PEO Basic: $79 per employee, per month (PEPM)
- PEO Plus: $109 PEPM
Several add-on products are available if you want to enhance the functionality of the PEO plans.
- Time tracking: $8 PEPM
- Dedicated HR consulting: $30 PEPM
- US-based contractors: $8/paid contractor monthly
- International contractors: $39/paid contractor monthly; this lets you pay workers in over 60 countries
- Employer of Record: $599 PEPM; tools for hiring and paying global full-time employees
In addition to PEO, Justworks has a payroll-only product that costs $8 PEPM plus a $50 monthly base fee.

ADP TotalSource: Best for midsized businesses with complex HR needs
Overall Reviewer Score
3.59/5
Risk & compliance:
3.80/5
HR services
4.19/5
Payroll services
4.63/5
Benefits admin services
4.38/5
Pricing
0.44/5
Platform/interface
4.33/5
Customer support
3.38/5
Pros
- ESAC and IRS certified
- Huge library of products and services.
- 24/7 injury triage for treating workplace injuries appropriately and effectively.
- ACA and COBRA administration included.
Cons
- Non-transparent pricing.
- Time tracking, scheduling, and recruitment services are add-on features.
- Users report slow or unhelpful customer service.
- May be too feature-rich for businesses with fewer than 50 employees.
Why I chose ADP TotalSource
ADP TotalSource is a strong fit for businesses whose HR needs have moved beyond basic administration. This is the PEO I’d look at when a company is dealing with more formal policies, multi-state hiring, employee relations issues, leave questions, workers’ comp claims, or compliance work that needs more than a help article and a payroll tool.
I like that it provides access to a broad support bench instead of relying on one general service contact. With ADP TotalSource, you can get a strategic HR expert, payroll specialist, benefits team, workplace safety consultants, workers’ compensation claims specialist, and ADP MyLife Advisors for employee support. That setup is useful when HR questions start crossing into different areas at the same time.
Compared with Justworks and Remote, ADP TotalSource is less transparent on pricing and may feel heavier for a small team. Its automation and workflows also aren’t as extensive as Rippling’s.
Risk-focused HR tools
ADP gives businesses more guardrails around the HR situations that can get expensive when handled informally, such as workplace safety, unemployment claims, workers’ compensation, and policy management.
This is where ADP TotalSource feels different from lighter PEO services. It is not just helping you process routine HR tasks; it is helping you build a more controlled process around issues that can create compliance, financial, or employee-relations risk.
Full-scale, flexible payroll
ADP started in payroll, so its offerings are particularly robust in this area. TotalSource includes many competitive capabilities, like earned wage access capabilities, quick processing times, and flexible payroll schedules. If your employees prefer receiving paper checks, ADP also includes checking printing, signing, and stuffing services in its base PEO plan.
ADP TotalSource does not disclose its pricing details upfront, so you will need to contact ADP directly to get a cost estimate that’s tailored to your business’s needs.

Paychex PEO: Best for customizable services
Overall Reviewer Score
3.55/5
Risk & compliance:
2.85/5
HR services
3.85/5
Payroll services
4.63/5
Benefits admin services
4.63/5
Pricing
0.94/5
Platform/interface
4.08/5
Customer support
4.25/5
Pros
- Assigned a dedicated HR professional
- ESAC and IRS certified
- Strong support for payroll, tax administration, benefits, HR & compliance
- Business insurance options include general liability, umbrella, cyber liability, and commercial liability
Cons
- Pricing isn’t transparent
- Customer support quality varies by representative
- Paychex Flex interface feels dated compared to newer platforms
Why I chose Paychex PEO
What sets Paychex apart from most PEOs on this list is its flexibility. The provider can tailor its services around your company’s specific needs, making it a strong option if you want help filling functional HR gaps instead of adopting a rigid, one-size-fits-all package. This can be especially useful if you’ve already established an HR department but want to switch internal focus to strategic initiatives, like improving retention or workforce planning.
Paychex is also a good fit if you want a more hands-on, relationship-based PEO service. Its model gives employers access to dedicated contacts across HR, payroll, and safety, which can be helpful when you need practical guidance from people who understand your business setup.
However, Paychex PEO is less transparent on pricing than Justworks and Remote, so it may not be the easiest option to compare if you’re still building your shortlist. It also does not offer the same level of enterprise-grade compliance infrastructure as ADP TotalSource or the same automation depth as Rippling PEO.
Customized safety programs
Paychex PEO creates a tailored safety program to fit your business’ industry and training needs. Uniquely, Paychex assigns safety experts to review your company’s workplace to understand the challenges you face daily. These experts customize safety manuals for your needs, provide you access to training courses in more than 70 topics, and update you on important safety compliance changes.
If you are in a high-risk industry like construction, manufacturing, or roofing, this level of support can be essential for keeping workplace injuries low and preventing any OSHA investigations for unsafe practices.
Benefits and liability administration
Paychex’s benefits administration is highly customizable, including the following:
- Standard PPO and HMO coverage for health, dental, and vision
- Health savings accounts (HSAs), flexible savings accounts (FSAs), and health reimbursement arrangements (HRAs)
- Section 125 cafeteria plans
- Retirement benefits
- COBRA administration
Paychex clients also benefit from access to various business insurance coverage options. For project-based companies, this can make it significantly easier to produce certificates of insurance that prove your coverage levels when partnering with contractors or subcontractors.
Paychex PEO does not publicly disclose its pricing, so you will have to contact Paychex directly for a customized quote.

TriNet PEO: Best for industry-specific HR support
Overall Reviewer Score
3.55/5
Risk & compliance:
2.70/5
HR services
3.55/5
Payroll services
4.63/5
Benefits admin services
4.63/5
Pricing
1.94/5
Platform/interface
3.63/5
Customer support
3.88/5
Pros
- ESAC and IRS certified
- Fees go down when certain thresholds are reached
- Built-in risk management with access to onsite safety assessments
- Full-suite payroll, benefits, HR, and compliance tools
Cons
- Pricing isn’t transparent
- Third-party integrations are limited compared to Rippling
- May be more complex for companies with simple HR needs
Why I chose TriNet PEO
A business in life sciences, financial services, manufacturing, or nonprofits does not always need the same HR advice as a retail shop or marketing agency. TriNet’s industry-specific approach can help employers get support that better fits the realities of their workforce, compliance exposure, benefits expectations, and growth plans.
That makes TriNet a good option if you want PEO services that feel more consultative than generic. It can be especially useful when HR decisions depend on the way your industry operates, such as managing specialized talent, competing on benefits, handling risk-heavy work environments, or navigating sector-specific workforce expectations.
TriNet is not the strongest choice if your main priorities are upfront pricing clarity, simple setup, or deep workflow automation. Justworks is easier to evaluate because it publishes pricing, and Rippling PEO offers more workflow and automation tools for teams that want a software-first experience.
Industry-specific support teams
TriNet is one of the only PEOs on this list that organizes its support model around your industry rather than your account size.
When you sign on with TriNet, your support team includes HR, payroll, and benefits specialists who have worked specifically within your sector, whether that’s financial services, technology, or nonprofit. This means faster, more accurate guidance on questions like how to classify a part-time researcher for benefits eligibility or how to structure equity compensation in a pre-IPO tech company.
HR platform with centralized data
TriNet’s platform gives administrators and employees access to payroll, benefits, HR documents, expense management, and compliance data from one dashboard. It’s notable for being easy to use and navigate through, with an interface that employees can manage on their own without a lot of HR hand-holding.
TriNet does not publish fixed PEO pricing. Its pricing page says costs depend on factors such as the size of your business and the services needed.

Remote PEO: Best for companies with global expansion plans
Overall Reviewer Score
3.51/5
Risk & compliance:
1.85/5
HR services
3.49/5
Payroll services
3.75/5
Benefits admin services
3.75/5
Pricing
4.56/5
Platform/interface
3.75/5
Customer support
3.75/5
Pros
- Provides dedicated HR and compliance experts
- Strong intellectual property (IP) protection tools
- US PEO service available alongside global EOR in one unified platform
- Transparent, flat-rate pricing
Cons
- PEO isn’t ESAC-accredited or IRS-certified
- Limited advanced HRIS features compared to Rippling & ADP
- Slightly more expensive than Justworks
Why I chose Remote PEO
Remote PEO is optimal for companies that plan to hire abroad after building their domestic team. You can use its PEO to manage U.S. employees, then transition to Remote’s EOR service if you need to employ workers in countries where you do not have a legal entity.
That setup is useful for companies moving from U.S.-only hiring to a mixed workforce of U.S. employees and globally distributed teams. Instead of adding separate vendors as your workforce expands, Remote gives you one platform for several employment models.
However, Remote PEO is newer than traditional PEO services like ADP TotalSource, Paychex PEO, and TriNet PEO. It is also less useful if you only need a straightforward U.S. PEO, where Justworks may be easier to evaluate and implement.
Transparent flat-rate pricing with no setup or exit fees
Remote publishes its pricing for PEO, EOR, and contractor management services directly on its website. That puts it alongside Justworks as one of the only providers in this guide that doesn’t require a sales call just to understand what you’ll pay. I also like that Remote doesn’t have onboarding/offboarding fees, minimum contract terms, or upfront deposits.
Built-in IP protection
Remote’s IP Guard is a standard feature of its employment contracts, not an add-on. It includes clear ownership documentation and legal safeguards across all countries where Remote operates, ensuring that intellectual property developed by employees is properly assigned to your company under local law.
For tech companies, professional services firms, or any business where employee-created IP is central to the product, this is a meaningful protection that many HR platforms either don’t address or charge extra for.
Unlike Justworks, Remote only has one plan for its PEO product. Pricing starts at $99 PEPM and comes with all the essential tools you need to hire, pay, and manage employees, including dedicated HR and compliance support, as well as guided onboarding for new hires.
If you decide to expand globally, Remote offers several modules to help you legally and compliantly recruit and pay workers.
- Employer of Record: Starts at $699 PEPM
- Global Payroll: $29 PEPM
- Contractor Management: $29/contractor monthly
- Contractor Management Plus: $99/contractor monthly
- Contractor of Record: Starts at $325/contractor monthly
HR solutions are also available for managing employee information, performance reviews, recruiting, and surveys. Visit the Remote website to check pricing details.
Also read: PEO vs. EOR: What’s the Difference?

Rippling PEO: Best for HR automation
Overall Reviewer Score
3.50/5
Risk & compliance:
2.20/5
HR services
3.99/5
Payroll services
4.38/5
Benefits admin services
4.63/5
Pricing
1.94/5
Platform/interface
4.63/5
Customer support
3.00/5
Pros
- PEO turn-off feature with no loss of HR software functionality
- In-software compliance support to detect potential labor law violations
- Basic IT and finance tools available
- Robust custom reporting and analytics
- Supports over 600 integrations
Cons
- Non-transparent pricing
- PEO isn’t ESAC-accredited or IRS-certified
- Lacks direct phone support
Why I chose Rippling PEO
If you want PEO services tied to a stronger HR tech stack, consider Rippling PEO. It handles the expected PEO work, such as benefits, HR support, compliance, and payroll-related administration, but its bigger value is how much of that work can connect to workflows, reporting, permissions, policies, and integrations.
Rippling’s automation depth is also one of its competitive advantages over other PEOs on this list. For example, you can use Rippling to automate parts of onboarding, benefits enrollment, compliance training, employee data updates, and app access, which is harder to do in a traditional PEO setup that is more service-led than software-led.
However, Rippling is not the best choice if you want the simplest PEO to adopt or the most hands-on traditional HR support. If you’re looking for an established PEO service to handle complex HR processes, go for ADP TotalSource.
Customizable workflows
Its Workflow Studio lets you build custom HR automation rules without needing IT support, such as automatically triggering an onboarding checklist when a new hire is added or revoking software access when a termination is processed. No other PEO on this list comes close to this level of workflow flexibility.
Unified HR, IT, and finance solutions
Rippling is the only PEO on this list where HR, payroll, IT device management, app access provisioning, and expense management tools share a single employee data record. That architecture means changes flow automatically across systems.
When you hire someone, Rippling can simultaneously enroll them in payroll, assign their laptop, grant access to Slack, Google Workspace, and your HRIS, and trigger their benefits enrollment — from a single onboarding workflow. When someone leaves, the same automation reverts all of that in one step.
For comparison, every other PEO on this list handles HR and payroll, but IT management and app provisioning live in separate systems that don’t talk to each other. For companies spending several hours each week managing these handoffs manually, Rippling eliminates a lot of the administrative work that other PEOs simply don’t address.
Like most of the PEOs on my list, you have to contact the provider to discuss your HR needs and request a quote.
How to choose the best PEO service
Start by identifying what you need the PEO to take off your plate. A small business that wants help with payroll, benefits, and basic HR administration may not need the same provider as a company dealing with multi-state hiring, employee relations issues, leave questions, or workplace risk.
When comparing PEO services, focus on how each provider fits your actual HR needs:
- Core HR support: Check whether the PEO can help with policies, handbooks, onboarding, offboarding, employee questions, and HR guidance.
- Payroll and tax administration: Look at whether the provider supports multi-state payroll, payroll tax filings, garnishments, year-end forms, and payroll-related compliance.
- Benefits administration: Compare health benefits, retirement plans, COBRA support, ACA support, open enrollment tools, and employee benefits assistance.
- Compliance and risk support: Ask how the provider helps with workers’ compensation, unemployment claims, workplace safety, employment law updates, and HR compliance.
- Service model: Find out whether you get a dedicated HR contact, access to specialists, employee-facing support, or mostly self-service tools.
- Pricing and contracts: Review what is included, what costs extra, whether pricing is per employee or based on payroll, and how easy it is to leave the agreement.
- Future fit: Consider whether the provider can support where your business is headed, such as new states, more formal HR processes, automation, or international hiring.
When a PEO may not be the right fit
A PEO can be helpful if payroll, benefits, compliance, and HR tasks are becoming too much to manage in-house. However, not every business needs that level of support.
It may be too much if you only need help running payroll, are not ready to offer broader employee benefits, or want full control over benefits and workplace policies. In these situations, payroll software, an HR consultant, a benefits broker, or another HR outsourcing service can often solve specific problems without adding a co-employment arrangement.
If you’re having trouble deciding, answer this simple question: Will the PEO provider remove enough HR work, risk, or cost to justify the added structure and fees?