Best PEO Services

Our top picks for PEO services offer personalized service and industry-specific knowledge.

We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation. Learn more.

As a business owner, it’s hard to keep up when it feels like you have the world on your shoulders. That’s where a PEO can help to take some of the administrative burdens off of you.

More officially known as a professional employer organization, a PEO is an external company that handles your business’s administrative, financial, and human resources (HR) needs. From payroll to employee hiring and benefits, you can easily outsource many of these services to professional experts who specialize in running this side of the company.  

With such critical services on the line, it’s imperative that you find the right PEO for you. We looked at over 15 PEO providers and then narrowed our field down to companies accredited by the Employer Services Assurance Corporation (ESAC) and the Internal Revenue Service (IRS), We evaluated PEO companies based on third-party ratings and customer reviews to bring you the very best PEO services in the market.

Best PEO Services of 2023

Best for Industry-Specific Services : TriNet


TriNet

 TriNet

Minimum no. employees: Five

Availability: Nationwide

Pricing: Ranges from $80 to $600 per employee per month

Why We Chose It

TriNet not only tailors itself to specific industries, but business owners have a dedicated call center with experts from their own industry, making it our choice for the best industry-specific services.

Pros & Cons
Pros
  • Excellent accessibility

  • Customized contracts

  • Industry-specific support

  • Extensive trends and insights resource center

Cons
  • Only offers service bundles instead of a la carte

  • Five-employee minimum

Overview

TriNet offers a standard, straightforward plan that bundles payroll services, employee benefits, HR administration, and risk management. It’s not the best option if you’re looking for singular services, but for an expanding business that needs support, it can be invaluable. Customer service is available via email, phone, and online chat, and you will also have your HR expertise call center for more specific inquiries.

Services include these:

  • Workers' compensation
  • Payroll processing 
  • Human resources administration 
  • Risk management and compliance
  • Employee benefits 
  • Retirement plans and 401(k) options 

Many PEOs on our list will give you a support rep or even a whole team to offer assistance when you need it. However, TriNet takes it one step further, curating a personal team of professionals from your industry so you always receive superior expert advice. It is what makes it different from Oasis and earns it our top pick for specialized industries. For the growing small business, TriNet provides invaluable support and expertise that can be very hard to find elsewhere. 

The many tailored industries that TriNet works with include:

  • Advertising and marketing
  • Architecture
  • Consulting
  • Engineering
  • Financial Services
  • Life sciences
  • Manufacturing and wholesale
  • Nonprofit HR
  • Retail 
  • Technology

TriNet offers per-employee pricing that matches the size of your business. You will have to sign a contract, but contracts may vary, giving you some flexibility on the length. A representative can work with you to create a more customized contract that works best for you.

Best for Support : Paychex


Paychex

Paychex

Minimum no. employees: Five

Availability: Nationwide

Pricing: Yearly contracts, submit request for pricing

Why We Chose It

An established and stable PEO, Paychex is our pick as best for support because it is the perfect autonomous partner that every business owner needs to help manage their employees and will not only work for your employees but with them, offering personal customer support.

Pros & Cons
Pros
  • Option of onsite HR managers

  • Personalized risk assessment and management

  • Enormous online resource center

Cons
  • Systems could use some updating

Overview

An established and stable PEO, Paychex works directly with employees for HR support, instead of working as a middleman. That makes it better able to assess a company and provide in-depth risk management services.

If you work with Paychex as your PEO, you’ll benefit from a payroll account manager and human resource generalist. It makes customer service an enjoyable and reliable experience, no matter the company’s size. These services all help Paychex stand out from the competition.

Online processing simplifies the payroll process, and Paychex outsources office management support if needed. If not, there is also the option to sign up for a la carte services.

Paychex offers the following services for businesses:

  • Payroll processing
  • Retirement services
  • Insurance
  • HR services (outsourced)
  • Employee benefits (outsourced; HSA, FSA, HRA)
  • 401(k) plans

Paychex provides access to a multitude of resources addressing all facets of a business. Owners can focus their attention on growing the business while Paychex steps in to handle payroll, taxes, and compliance. Employee benefits packages are extensive, including health, retirement, vision, dental, and even employee wellness options.

Pricing is assessed on a per-employee basis with a five-employee minimum. Contracts are priced for a year, a reasonable fit for growing businesses and a no-brainer for larger corporations. 

Despite its name, Paychex offers more than basic services and will do payroll taxes as well. Paychex is IRS-certified and accredited by the Employer Services Assurance Corporation.

Best for Small Businesses : Insperity


Insperity

 Insperity

Minimum no. employees: Five

Availability: Nationwide

Pricing: No pricing online

Why We Chose It

Insperity is our pick for the best small business PEO because it has the experience to adapt itself to the needs of both small business owners and help guide their growth.

Pros & Cons
Pros
  • Enormous library of online training resources

  • Customized plans

Cons
  • Minimum of five employees

  • No pricing online

Overview

Insperity will offer the guiding hand that small businesses need as they grow and expand.

Services available at Insperity include these areas.

  • Payroll processing
  • Employee benefits
  • Human resources administration
  • Risk management
  • Extensive training resources
  • Workers’ compensation
  • Employee support and onboarding
  • Government compliance support
  • Tech services

Your dedicated team will include an HR services manager, HR specialist, payroll specialist, performance specialist, client liaison, and safety consultant for some of the best support you’ll find anywhere from a PEO.

There is fantastic accessibility, with the company offering stellar apps for both iOS and Android platforms. It gives you the option to stay plugged in and in touch even when you are on the go.

Insperity manages to do it all and still maintains high levels of customer support for all of your questions and troubleshooting needs. For more details on pricing, you will need to call in and speak with a rep for a personalized quote. Insperity is accredited by the ESAC and IRS for extra peace of mind.

Best for Large Businesses : INFINITI HR


Infiniti HR

 Infiniti HR

Minimum no. employees: Two

Availability: Nationwide

Pricing: No pricing online

Why We Chose It

INFINITI HR is our pick for the best PEO for large businesses because it is the first PEO created specifically for franchises and hotel management, places a sharp focus on growing your business, and offers specialized recruitment services that are rarely seen with a PEO.

Pros
  • Franchise-friendly

  • Customizable format

  • Recruitment support

  • A la carte services

Cons
  • Slow on mobile apps and tech

  • May be too much for smaller companies

  • Newer company

Overview

INFINITI HR has extensive experience in working with some of the country’s most popular franchises and largest hotel brands, including Choice Hotels International, Best Western, Hyatt, and Senior Helpers.

INFINITI HR allows businesses to personalize services with the option to pick and choose services for a custom bundle. It separates major services like HR support and payroll so you can opt for one without being stuck with the other. It’s the kind of flexibility that large enterprises look for when converting to a new provider. 

A unique feature is its recruitment services, which help to keep companies stacked with the top talent they need to keep growing. 

INFINITI HR offers several options for large businesses:

  • Payroll services
  • Tax filing
  • HR management, by state
  • Employee benefits
  • Workers’ compensation
  • Compliance support

INFINITI HR offers many attractive employee perks, such as the full bouquet of health, dental, vision, and life insurance. Other benefits include unemployment, workers’ compensation, and liability claims support.

For business owners, there are support services available, such as state-specific HR systems with on-demand consulting services and compliance and risk management. For those focused on growth, there is even recruitment outsourcing available to scout out talent and advance teams.

INFINITI HR is still very much the new kid on the block but packs a punch with all the services it offers. It is the official premium supplier for the International Franchise Association (IFA). INFINITI HR is a PEO that is franchise-friendly with services designed for the needs of a growing empire.

Best for Startups : Oasis Outsourcing


Oasis Outsourcing

 Oasis Outsourcing

Minimum no. employees: Five

Availability: Nationwide and Puerto Rico

Pricing: Yearly contracts, submit request for pricing

Why We Chose It

Oasis is the best pick for startups because it provides the full-service support of Paychex with the attention to detail of a smaller provider. Excellent customer support meets a wide variety of services, all designed to help the growing startup.

Pros & Cons
Pros
  • Simple to use

  • Caters to specialty fields

  • Top-rated in the industry

  • Comprehensive knowledge center

Cons
  • Must have at least five employees

  • One-year contract

  • Early termination fee may apply

Overview

Oasis is run by the popular payroll processing company, Paychex, which also makes an appearance on our list. However, Oasis takes a different approach from its parent company, offering instead specialized programs that are custom-tailored to popular industries. It is a PEO that is truly startup-friendly, taking into account the unique needs of small businesses. Available in all 50 states, there is even regulatory support suitable for your industry.

Its specialties include many of the country’s most popular industries:

  • Architecture
  • Banking
  • Country clubs
  • Financial services
  • Franchises
  • Hospitality
  • IT
  • Law
  • Light manufacturing 
  • Property management
  • Retail
  • Senior living

There is also dedicated customer support. Your business will be able to benefit from a personal payroll account manager, and an HR expert, both of whom will help you navigate the ins and outs of your business. There are several detailed online demos designed to allow busy professionals to train on their own terms and schedule.

Oasis offers a series of services including:

  • Human resource services
  • Payroll processing
  • Employee benefits
  • Compliance
  • Risk management

While there is typically a one-year contract at signup, all you have to do is give 30 days’ notice if you decide you want to cancel.

Best Customer Service : ADP TotalSource


ADP TotalSource

 ADP TotalSource

Minimum no. employees: Five

Availability: International

Pricing: Must speak to a rep for pricing

Why We Chose It

ADP consistently delivers stellar customer service, even though it is one of the largest PEO providers today, and provides flexibility that works for companies of all kinds and sizes, which is why ADP TotalSource is our pick for the best customer service.

Pros
  • Self-service payroll for employees

  • Advanced HR software and tools

Cons
  • Must speak to a rep for pricing

  • May seem too large to smaller companies

ADP TotalSource is a powerhouse, serving as one of today’s biggest PEOs in over 140 countries. It has made a name for itself with exceptional customer service. Multiple chat options include email, phone, and live chat so you can always find help when you need it.

ADP specializes in some specific industries:

  • Construction
  • Education
  • Financial services
  • Government
  • Retail
  • Healthcare
  • Hospitality and restaurants
  • Manufacturing
  • Nonprofit and social services
  • Professional services
  • Technical services

ADP also offers top-rated HR programs, with the company emerging as an industry leader in tech and customer support. Staff is also likely to appreciate the self-service payroll system that gives them more autonomy over their earnings. If a computer is not available, the mobile app will help take care of all business needs.

There are also optional benefits that include medical, dental, and vision insurance, as well as 401(k) plans. These are offered through some of the nation’s best providers since ADP holds some pretty impressive partnerships.

You will need to speak with a customer service representative before receiving pricing. However, this is a company built around small and medium-sized businesses, adapting its plans to best suit these particular needs. There are likely to be more services than startups need right now, but it only lights the way for all that’s to come.

Best for Benefits : Justworks


Justworks

 Justworks

Minimum no. employees: Two

Availability: Nationwide

Pricing: Ranges from $59 to $99 per employee per month

Why We Chose It

Justworks is our pick for the best PEO for benefits because it allows small businesses to enjoy perks that are generally only available to larger businesses. It lets small businesses benefit from advanced perks, like expanded service options, and optional add-on benefits.

Pros & Cons
Pros
  • Upfront pricing

  • 24/7 customer service

Cons
  • Relatively new PEO

  • Basic training services

Overview

Justworks prioritizes affordability with transparent pricing, gives dedicated account support, and offers expanded customer service options.

The standard Justworks contract will include payroll processing and HR administration, in addition to compliance and employee benefits. If you have a question or need help with a topic, customer service is standing by 24/7 via phone, email, online chat, Slack, or SMS text.

Justworks is also the only PEO to openly display its pricing, offering these rates.

Plan Services Cost
Basic Payroll, HR, Benefits, Compliance $59 per month per employee;
$49 per month for your 50th employee onwards
Plus With medical, dental, and vision insurance $99 per month per employee;
$89 per month for your 50th employee onwards

You have the option to pay monthly if that fits into the budget better.

Justworks has only been around since 2012 and is accredited by the Employer Services Assurance Corporation.

Final Verdict

While all of these PEO companies are excellent options, TriNet is our pick for industry-specific because it curates a personal team of professionals from your industry for expert advice. It provides invaluable support and expertise that can be very hard to find elsewhere.

If you've just started your business and need a PEO that's better suited to a smaller scale, Oasis Outsourcing provides full-service support with the attention to detail that a start-up needs.

 Company  Minimum no. employees  Availability  Pricing
TriNet Best for Industry-Specific Services Five   Nationwide Ranges from $80 to $600 per employee per month
Insperity Best for Small Businesses Five  Nationwide No pricing online
INFINITI HR Best for Large Businesses Two  Nationwide No pricing online
Oasis Outsourcing Best for Startups Five  Nationwide and Puerto Rico Yearly contracts, submit request for pricing
ADP TotalSource Best Customer Service Five  International Must speak to a rep for pricing
Paychex Best for Support Five  Nationwide Yearly contracts, submit request for pricing
Justworks Best for Benefits Two  Nationwide Ranges from $59 to $99 per employee per month

Frequently Asked Questions

  • Who is the largest PEO company?

    ADP is the largest PEO in the U.S. according to Yahoo Finance, with more than 400,000 worksite employees.

  • What are typical PEO services?

    A PEO typically provides any of these basic services: Payroll processing, human resources administration, employee benefits, risk and compliance, workers' compensation, employee training, and talent development. However, not all PEOs offer or specialize in the services your business may require, so it’s critical to adequately vet each company’s options.

  • What are typical PEO fees?

    Most PEOs stick to a basic pricing model that uses a set fee that is charged on a per-employee basis. Some PEOs may offer instead to use a percentage-based payment system that is directly correlated to your growth. The cost of a PEO depends on how many employees you have, their total hours, how much they make, and future plans for company growth.

  • What companies should use a PEO?

    Most PEO companies require a minimum number of employees, so companies with fewer employees will not have a need for—or be able to hire—a PEO company. Once a company is larger, a PEO will be able to provide valuable services.

Methodology

There are a multitude PEOs operating today, but very few are worth their weight. To begin, we look to the industry leaders for their expert ratings and results. The National Association of Professional Employer Organizations has been an invaluable resource in researching and uncovering the best secrets regarding today’s top PEO services.

The Employer Services Assurance Corporation (ESAC), and the Internal Revenue Services (IRS) recognize PEOs of superior caliber with official ratings and accreditations that serve as a sign of reliability and customer satisfaction. 

Additionally, we analyze hundreds of real customer reviews, learning about actual customer experience, service offerings, and provider performance.

Through our research, we ensure that each provider demonstrates best practices, meeting specific financial, state, and regulatory guidelines to best guide you and your business down the path of success.

Best PEO Services
Article Sources
Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in our editorial policy.
  1. Internal Revenue Service. “List of CPEOs.”