Client Testimonials

“The Detroit Medical Center has partnered with GCSI to score numerous political victories for health care since 1999. The firm’s access to key decision-makers is outstanding. GCSI also works hard to understand the complexities of our issues so that it can ably articulate them to Lansing decision-makers. No doubt, that’s why its success rate for the Detroit Medical Center remains high.”

- Michael E. Duggan, President & CEO
Detroit Medical Center

“The City of Grand Rapids has proudly teamed with GCSI since the firm’s inception over 25 years ago. The relationship has yielded countless legislative victories for our municipality and, by extension, benefited all of West Michigan.”

- George K. Heartwell, Mayor
City of Grand Rapids

“GCSI and the Michigan Beer and Wine Wholesalers Association have been synonymous for years. We rely heavily on GCSI to lead us through the Lansing maze. The firm’s success ratio is outstanding, and its level of service, attention and commitment, excellent.”

- Michael Lashbrook, President
MI Beer & Wine Wholesalers Association

“Masco takes great pride in being a strong and loyal corporate citizen in Michigan. The team at GCSI has served us well for nearly 20 years, partnering with us to advance a broad spectrum of issues, ranging from technical tax concerns to more general quality of life matters.”

- Mark Perry, Director
Real Estate & Prop. Taxes, Masco Corp.

“By retaining GCSI, I have added 10 full-time lobbyists to my staff. This additional fire-power has given me and my members instant access and credibility in the rough and tumble politics of Lansing.”

- Polly Reber, President
MI Distributors & Vendors Association

“GCSI has successfully advocated for millions of dollars in state support for the Detroit Zoo and passed legislation that will provide us long term financial stability. It’s a top-notch firm that employs stellar professionals, who know how to work the political system.”

- Ron Kagan, Executive Director
Detroit Zoological Society

“GCSI is without question the best lobbying firm in Michigan. Its hard work on our behalf allows us to stay focused on our primary mission of taking care of patients. Sparrow is proud to call GCSI a teammate and would recommend the firm to anyone seeking quality advocacy at the state Capitol.”