Group Management Services was founded in 1996 by Mike Kahoe, in Richfield, Ohio. GMS is a Professional Employer Organization and Third Party Administrator. We provide comprehensive HR solutions to companies large, medium and small through the United States. Our services include Payroll, Human Resources, Risk Management, and Benefits. Our experts work with owners and managers to establish safeguards, ensure compliance, and defend against claims, making sure your business is protected from every angle. Working with GMS allows business owners to focus on what matters, knowing we have your back office covered. Contact GMS today to learn more.