Turn to us for all your HR needs

GMS is your professional employer organization (PEO) partner. As a PEO, we provide comprehensive HR solutions to growing businesses across the United States. From payroll and benefits to workers’ compensation and workplace safety, we can handle it all so you can focus on what you do best: running your business.

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What we offer

You need payroll, benefits, and HR solutions that empower your people and support your growth. We provide a suite of services to help you along the journey.

Benefits

Retaining and attracting quality employees is vital for growth, but that can be easier said than done.

Human Resources

HR is one of the most time-consuming components for any small business to manage on their own.

Risk Management

Many businesses struggle to stay ahead of the risks associated with workplace hazards and injuries.

Payroll

Managing payroll and tax filings can be one of the most challenging parts of running a business.

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Welcome to GMS

We’re a certified professional employer organization and have been servicing small to midsize businesses since 1996. We have expertise in benefits, payroll, human resources, risk management, and benefits administration.

Seamlessly blending proprietary HR technology with dedicated service & support

At GMS, we use a human resources information system (HRIS), which is software to collect and report all employee data in a centralized hub. This proprietary technology helps businesses save time, money, and resources.

Increase your operational efficiencies

Enhance your employees’ experiences

Improve your bottom line today

Learn about our technology

Understanding PEOs

Wondering how a PEO can help your business? Our resources can assist you in making an informed decision about outsourcing responsibilities to a PEO.

Explore our resources

Recent blog posts

Check out our blog to learn all about PEOs, human resources, risk management, payroll management, and more from the experts at Group Management Services. Be sure to subscribe for the most up-to-date news and legislation.

Payroll

Thu. Jul. 17, 2025
— 2 minute read —

Four Signs It’s Time to Switch to an Automatic Payroll System

Processing payroll can be an overwhelming and challenging responsibility for business owners. The process is complex, time-consuming, and requires attention to detail in order to avoid errors. While managing payroll is complicated, it can be even more difficult without an automated system to send out pay stubs, calculate deductions, store employee information, and track employee work hours.

employer procedures | taxes and regulations

Tue. Jul. 15, 2025
— 2 minute read —

How to Fix a Payroll Error

Even the most organized payroll process can experience occasional hiccups. Whether it’s an underpayment, overpayment, . . .

Benefits | employer procedures

Thu. Jul. 10, 2025
— 3 minute read —

Ways To Reduce Health Care Costs

As health care costs keep rising, both employees and employers are looking for ways to manage these expenses and make coverage more affordable. However, balancing these growing costs while ensuring employee satisfaction can be challenging for employers. To achieve this balance, employers can implement a variety of strategies to effectively lower health care costs while keeping employees happy, healthy, and productive.

employer procedures | HR

Wed. Jul. 09, 2025
— 3 minute read —

The Difference Between Employee Orientation Vs. Onboarding

As a business owner, hiring a new employee is an exciting time filled with opportunity . . .

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Hear What Our Customers Have to Say

We came from another management company and GMS straightened out our workers’ compensation problems and saved us money in administrative costs and workers’ compensation costs. We are very pleased with their services.

— Roofing Organization

Everything is under one roof when you partner with GMS. Whenever I have a question or concern, I know exactly who to call, as there’s only one point of contact. There’s no more 1-800 number. GMS is a company that can help you and your business be more competitive. I honestly can’t think of a reason not to partner with GMS.

— FedEx Contractor

Our experience with the payroll managers and payroll processing services has been fantastic. We’ve been extremely pleased. GMS has been an invaluable resource. In addition, GMS assisted in implementing the Drug-Free Workplace and PDP programs. Without GMS, we would have never accomplished our goals. In short, our partnership with GMS and its staff has been a rewarding experience.

— Health Care Organization

We are coming up on our first anniversary with GMS, and this year has been incredible. Customer service is extraordinary, and their attention to detail is excellent. I would highly recommend their services to all sizes of companies.

— Construction Management

GMS has reduced my stress level while saving me money by consolidating payroll, workers’ compensation, benefits, and other HR functions into a single source. I have been pleased with the decision since day one.

— Health Care Organization

Having GMS administer our payroll, healthcare benefits, workers’ compensation, and assisting with human resources management has enabled us to focus our own resources on our core business of making quality aluminum extrusions. The contacts that I use at GMS are knowledgeable, professional, and provide accurate information in a timely manner.

— Manufacturer

I love GMS, and they are easy to work with when you see just how great the service is. I always tell people that someone buys why you make something, not what you make. GMS provides turn-key support to the major functions of a business, all while saving the client’s money.

— Health Care Organization

Awards & Recognition

Make Your Business Simpler, Safer, and Stronger.

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