About GMS

About Us: Group Management Services

Group Management Services is a Professional Employer Organization (PEO) with more than 16 years of experience in helping small and medium-sized businesses succeed. Through our business process outsourcing, we can offer outstanding HR services to companies that save time and money.

Foundation for Success

Group Management Services opened for business in January, 1996. Mike Kahoe founded GMS, building upon his experience in high-profile Human Resources positions.

Every year since 1996, GMS has grown. Mike and his team have built a thriving PEO that continues to grow.

Today, GMS:

  • Has more than 14,000 employees
  • Partners with more than 650 companies
  • Is the largest PEO in Ohio
  • Is one of the largest employers in Ohio
  • Produces more than $30 million in revenue annually

More than 90% of GMS clients renew, year after year. Our commitment to provide the best services at the lowest cost is essential in our client relationships.

Simpler, Safer, Stronger

GMS provides small and medium-sized businesses with the experience of a big-business HR team. We offer:

Our services work collaboratively for you. We bundle your services together for greater efficiency, improved quality, and reduced costs.

Hear what our customers have to say, and contact us today to learn how we can work for your company and you.


TPA Services

  • Third-Party Administration
  • Self-Insured Health Plans
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Payroll Services

  • Internet Based Payroll Processing
  • Payroll Tax Payment & Filing
  • Time Keeping Systems
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Human Resource Services

  • HR Audits & Evaluations
  • Personnel / HR Record Keeping
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Benefits Administration

  • Large Organization Benefits Packages
  • Complete Healthcare Administration
  • Dental & Vision Plans
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Risk Management

  • Workers Comp Discount Programs
  • OSHA Compliance
  • Drug Free Programs, Policies, Training
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© GMS  3296 Columbia Rd., Suite 101   Richfield, Ohio 44286   (330) 659-0100    Contact Us | Privacy Policy | Admin

Serving Ohio businesses in these and many other cities: Columbus, Cleveland, Cincinnati, Toledo, Akron, Dayton, Parma, Canton, Youngstown, Lorain. We can assist you if you're looking for payroll services Cleveland and Northeast Ohio employee benefits consultants, Ohio human resources consultants, Ohio workers comp rates administration, Ohio business process outsourcing - BPO - and more.