The 9 Best PEO Companies in Missouri

Trying to choose from an endless array of PEO companies in Missouri can be overwhelming. And trying to do it quickly is almost impossible. But, since this is a service that will affect your entire business, you’ll definitely want to choose the best one for you. 

The right PEO will give you space to breathe a little easier knowing that they’re taking care of the tasks that usually clutter your to-do list. You’ll have more time to do some of the other tasks that have been neglected, and you’ll be less overworked and stressed out. 

The wrong PEO will drain your financial and mental well-being. Even worse, you’ll end up spending even more time, energy and money just to get things back on track. 

The Best PEO Company in Missouri

Finding the best PEO for your company is a lot like shopping for clothes. When you shop for clothes, a ton of factors come into play, like your personal style, in what environments you’ll be wearing them, how well they fit you and whether they flatter you. In order to find the right PEO for your company, you’ll need to know: 

  • How many employees are on your payroll
  • What you want the PEO to help with (payroll, hr compliance, workers’ compensation insurance, etc.)
  • What employee benefits you want to offer to your team (such as health insurance and workers’ compensation insurance)
  • How much you can afford to spend on employee benefits
  • The location of your small business
  • The location where you conduct your business (if outside the office)
  • How much customer support you will need
  • Your technological capabilities
  • How large you plan to scale, and 
  • Your industry type.

There are a lot of factors involved in this decision. But, if you are interested in knowing about the list of PEO companies that are the best overall picks for you to choose from, keep reading. Even if the ones we list aren’t a perfect fit for your company, they’ll give you a good list to start your search with. 

Why you should trust us

I started running a small online company, and soon found that I couldn’t handle dealing with all of the stress of HR. I hired a staffing company before hiring a quality PEO, which turned out to have been a bad call. My second business was a cafe, which I also eventually had to hire a PEO for. I came to the conclusion that neither of these businesses were good fits for me and closed them. 

Then my friends started coming to me for PEO advice. I started writing down the advice I gave them and it became my business. I’ve since helped over 1,200 people find the right PEO to fit their business needs, which has given me more experience than most people in the industry. 

Who Should Use A PEO?

PEOs are a great choice for anyone who’s bogged down with work, who is falling behind on HR duties, or simply hates HR work. 

Here are some of the things that PEOs can handle for you:

  • Employee Benefits
  • Tax Rates
  • Payroll
  • 401k
  • Health Insurance
  • Dental Insurance
  • Administrative Services
  • Workers’ Compensation Insurance
  • Risk Management
  • Human Resources Paperwork
  • Employee Benefits Administration
  • HR Support
  • Tax Withholding
  • Employee Contracts
  • Compliance Assistance
  • Risk Management

If you find that you’re falling behind with any of the tasks on this list, or you find yourself dreading any of them, then a PEO is probably the way to go. 

Benefits of using a PEO

There are lots of benefits for companies that use PEOs, but here are the four major ones:

Benefit 1: Reduced Insurance Costs

One unfortunate truth about health insurance is that it’s expensive for small companies. But, it’s a great deal cheaper and easier to handle with a PEO. Your workforce becomes one on paperwork, so rather than you trying to negotiate insurance rates for your handful of employees, the PEO can negotiate rates for thousands of employees, which makes it cheaper and easier in the long run. 

Benefit 2: Less Paperwork

Every company, no matter how big or small, has to do paperwork. But, it’s likely that the types of paperwork that you have to do aren’t done often enough to require you to automate the system. But, PEOs staff thousands of people and that requires paperwork automation practices. That’s great for you because it will make the whole system more streamlined and paperwork will get done faster. 

Benefit 3: Simplified Compliance

Keeping track of every state compliance ordinance is enough to make your head spin. But a PEO can remind you when to send paperwork in, and even send you partially-completed compliance forms to help make the process easier. 

Benefit 4: More Free Time

When you partner with a PEO and they’re making so much of your work easier, you’ll find that you have more free time. You can use this to do any of the things you’ve been meaning to, whether it’s networking, growing your business, taking some time off, or relaxing, you’ll finally have the time to do it. 

How We Selected the Best PEO in Missouri

Using this 4-stage analytical process, we’ve narrowed down the list of potential candidates for the Best PEO in Missouri. 

Stage 1: Reviews

Most PEOs that have been in business more than a couple of months have done enough business to gather online reviews, whether they’re good or bad. You can learn a lot from reviews, so combing through the online reviews is a great place to start when researching a company. 

Stage 2: Offering Analysis

PEOs don’t all offer the same services. We weeded out the competition by comparing each company’s services to others. If they offered minimal services at inflated prices, they were ruled out. If they offered quality services and great rates, they were considered. 

Stage 3: Speaking With Real Customers

The next stage is to talk to actual customers. Online reviews are great, but people generally only leave a review if they had either an astoundingly good or bad experience with a company, and even then, they’re typically limited to a review of 200 characters. But, by reaching out and asking people about their experience, without limitations, you find out a lot more about the company and their service. 

Stage 4: Speak With Their Sales Team

One of the best ways to determine what it’s like to do business with a PEO is to get a member of their sales team to speak to you. Throw the customer reviews and feedback at them and see whether they accept responsibility for it or blame the customer. Have their rates or services changed from what’s advertised? Are they easy to talk to? These are all factors you need to know when choosing the PEO for your company. 

Analysis Factors

These were the factors used to determine which PEOs made our list: 

Factor 1: Offerings

The first thing to look at is which services are offered by the PEO. There’s no sense in hiring one if they don’t offer the services you need. 

Factor 2: Price

The price of PEO services varies from company to company, so rather than choosing the companies with the cheapest rates, we chose those who provided the best value for your money. 

Factor 3: Ease of Signup

Some PEOs have onboarding processes that take weeks simply because you have to provide them with so much useless information. So, one of the factors we used was to assess how easy it was to sign up with a company, and how hassle-free the onboarding process was. 

Factor 4: Ease of Use

Some PEOs have outdated systems that are a nightmare to learn to navigate, while others have integrated user-friendly, easy-to-use systems. The PEOs we’ve chosen have the most user-friendly systems to use. 

Factor 5: Customer Service

The customer service that a PEO provides is an important factor to consider, as well. No matter how stellar their services are, you’ll eventually have questions. So, customer service quality was a factor in our rating, as well. 

Missouri PEO Assessment Results

Finding the PEO that meets all of the needs of your company will be a complex process. One of the companies on this list may be the best fit for your company, but you may also find that none of them are quite the fit you’re looking for. These recommendations don’t take into account your personal needs, but are rather an overall recommendation, so keep that in mind when reading about them. 

1. Vensure (Best overall PEO)

Vensure is on our #1 spot because while none of their services really stand out as extraordinary, they will do basically everything you need them to, and they’ll do it well. 


Vensure provides you with all of the services and products that you would expect them to. They also have really good customer service. If you email them about a problem, they’ll get back to you in 24 hours or less. Also, if you have a pressing issue, you can typically get them on the phone easily. 

They have the experience and resources to service large companies, but typically are geared towards working with small to medium-sized companies. This means that they can work with whatever level you’re at, and then grow with you. 


Vensure is a great company, overall. But the one con is that they don’t really have any exceptional services. They provide a number of services that are pretty typical of PEOs, but none that really stand out as unique. They provide adequate and prompt customer service, but it’s nothing to write home about. Their rates are pretty good, but they’re not shockingly low. When you look at their services and features on paper, they make Vensure a solid option, but it’s also pretty obvious that they won’t do anything that will really blow your mind, either. 


Vensure does everything you want a quality PEO to do, and they provide some solid customer service support. They do everything well, and they’re competitively priced. 

Their prices vary depending on the size of your business, so you’ll have to chat with them to discuss prices. 

2. CoAdvantage (Best Customer Service PEO)

Don’t let the fact that CoAdvantage is in our #2 spot fool you. They’re still a very good option, and they even have Venture beat in one aspect. 


They provide you with a lot of the services that one would expect from a PEO, much like Vensure. They have a system to get you set up in their interface that’s fairly easy-to-use, and their pricing is competitive. 

But the thing that they do best is provide very good customer support and service. When you email them, they take an average of 45 minutes to email you back, and if you call them they’ll answer you in about two minutes. They also answer your questions thoroughly, without transferring you. 


Their services and their pricing aren’t as good as Vensure’s, even though they do compete with other businesses. Their system can be a little unclear about how to navigate it. And they charge about 10% more than Vensure. 

However, if you’re looking for a PEO with excellent, fast customer support and service, these may be cons worth overlooking. 


Although we don’t feel that CoAdvantage has Vensure beat in the services and pricing departments, they do have an advantage in the customer service department, and they’re still a great choice. 

3. Amplify PEO (Best Value PEO)

While they stand above some other PEO companies, they fell short of the other companies on this list in a few aspects. 


They can give you all the services you’d expect from a PEO. Their system is easy to set up, even if it’s a little confusing to understand after that. Their customer service is adequate and they respond to your call in a reasonable amount of time. 

But the one place they stand out is their pricing. They’re the best- priced option on this list. 


While the system was easy to set up, it’s hard to figure out how to navigate it. Even performing simple, routine tasks can be challenging. And while their customer support is adequate, it’s not anywhere near as good as CoAdvantage’s. 


While their system isn’t really intuitive, making it hard to navigate, and their customer service isn’t stellar, they are still the cheapest option on this list. 

4. Justworks PEO Review

Justworks offers a full list of HR services from payroll, employee benefits, tax filings, risk management, compliance assistance and a lot more, but that isn’t the only reason you should consider them for your HR needs. Justworks also offers a high degree of transparency when it comes to their pricing model. All of their plans and prices are available for all to see on their website, something I haven’t seen from other PEOs. Business owners can easily see the options available to them and the cost of each from the comfort of their computer. Even though Justworks is less than a decade old, I guarantee you’ll be excited to see what they have to offer.  

5. Infiniti HR PEO Review

Coming in at the number five spot on for the best PEOs is Infinity HR. The PEO offers a full list of HR services inducing compliance assistance, risk management, employee benefits, payroll, and much more. Infinity HR really stands out among their competitors when it comes to their recruitment services. Not only will they help you find the right candidates to interview, but Infinity HR is committed to guiding you through the entire onboarding process. Although less than a decade old, Infinity HR is a highly competitive PEO company that is growing in popularity every year. 

6. TriNet PEO Review

If you need the most robust and reliable PEO out there, look no further than Trinet. The PEO was established in 1988 and caters to over 16,000 companies and 330,000 employees across the country. Trinet continues to grow in demand and popularity due to their fantastic set of HR services and dedication to their customers. Even though Trinet isn’t as innovative as they used to be, I'm confident you will be excited about what they have to offer. I suggest looking further into how Trinet can tackle your HR challenges head-on and create solutions tailored to your needs. 

7. Oasis PEO Review

Oasis is an incredible PEO company ready to offer their full set of HR solutions for your business. They have some of the most industry-specific solutions out there including hospitality, retail, education, banking and a host of others. Oasis has been operating for over 20 years while primarily working with small businesses across the country. Although a top competitor, Oasis falls short when it comes to their financial planning. You can expect a 12-month contract from Oasis when the industry standard is typically month-to-month. This is a setback, but I'm confident you can find the right solutions for your business with Oasis. 

8. ADP Totalsource PEO Review

The number eight spot for the best PEO company goes to ADP Totalsource. The PEO is a fantastic choice for any business owner looking for a giant in the industry that offers unique solutions for all of their HR services. ADP Totalsource serves over 140 countries and is equipped with solutions for risk management, compliance assistance, payroll, tax filings, and countless other daily tasks. The PEO shines through when it comes to their customer service, which is nothing but quality. Businesses of all sizes should expect a personalized customer service experience ready to offer solutions for any kind of challenge. 

9. Insperity PEO Review

If you’re looking for a PEO company with it all, go no further than Insperity. The PEO has a considerable track record of awards and accolades dating back more than 30 years. Although the number 9 spot on this list, Insperity has proven time and again that their customer service is reliable and their HR solutions are on par with all of their biggest competitors. The PEO is equipped with all of the HR services you’d expect, but their main drawback comes from their lack of healthcare providers. Insperity only offers one provider, which is a long way from what many of the other top dogs have at their disposal.

Frequently Asked Questions

How much does it cost to use a PEO in Missouri?

This varies from company to company, and depends on lots of factors. But, $1,000-$2,000 per employee per month is a pretty good estimate. 

How does a PEO charge?

They usually either charge one of two ways: Flat fee or percentage of payroll. They can either choose to charge a flat fee per employee, or charge you a percentage of your employees’ wages. 

How long does it take to get set up with a PEO?

As there are a lot of variables involved in this, including some paperwork on your end, and obtaining government permissions, it will take somewhere between three to six weeks, with an average of four weeks.

Does it cost to change PEOs?

There aren’t really any exit fees involved with leaving a PEO, hidden or otherwise. However, each PEO has a set-up cost. So, while it won’t cost you money to leave a PEO, it will cost you money to start up with a new one. So, you’ll want to really research which one you go with and make sure it’s the right one for you so that you don’t incur a bunch of start- up fees repeatedly. 

To avoid wasting your time and money with the wrong PEO, follow the tips outlined in this article, and once you’re familiar with them, contact us for a PEO Assessment so that you’ll get set up quickly with the right PEO for you! 

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