Corporate Clean Services of Grand Rapids Acquired by a Local Investor

Calder Capital is excited to announce the acquisition of Corporate Clean Services of Grand Rapids, MI by a local individual investor, Harry Kobrak

Harry has previous experience in sales and marketing, on a global scale. After a 20-year international career with Caterpillar, Harry moved back to West Michigan from Tokyo to be closer to family and pursue business ownership.

Harry shared that his experience with the business search process was positive and a learning experience. After the process kicked off, he soon realized that considerations like industry and products were not his most important buying criteria. Harry commented, “For me, evaluating the attractiveness of a company had less to do with the specific industry the company operates in than its management team and approach to business. The focus on customers’ needs and exceeding expectations is critical. With Corporate Clean, Jeff (Cobb, the seller) has built a strong team and a great culture. I am excited to work with the team members to invest in further growth opportunities while ensuring we keep the focus on customers and quality”. 


Corporate Clean Services offers commercial cleaning services and facility services to a wide variety of clients, including corporate offices, manufacturing facilities, car dealerships, and schools. Jeff Cobb is the founder of Corporate Clean Services and holds his company to the highest standard of quality. Jeff came from a strong background in commercial and corporate cleaning before starting Corporate Clean Services. Founded in 2004, their specialty cleaning services and dedication to detail have earned their name a stellar reputation in Grand Rapids and surrounding areas. After being hands-on in the business for over four decades, Jeff looks forward to his transition. When asked what retirement holds for Jeff and his wife he commented, “We plan on visiting family in Florida, and California. I’m sure that we will keep busy catching up with jobs around the house, doing a little motorcycle riding, and probably volunteering time and services.”

Calder Buy-Side Director Hannah Nabhan and Associate Parker Schaap introduced Jeff and Harry in September 2022 and immediately felt confident in the pairing. Parker and Hannah worked diligently to complete this acquisition in early December 2022.

“It’s been a pleasure working with Parker and getting to know Harry. I believe that Harry will be a good fit for our company!” said Jeff Cobb.

Parker Schaap commented, “Watching someone like Harry take a risk to pursue a goal of purchasing a business, and our team being there for him at every step of the way to help accomplish that mission was the best part.” He added, “At the same time, it was very rewarding to work with Jeff and introduce him to a qualified Buy-Side client like Harry. Congratulations to Harry and Jeff, I wish them the absolute best in their journeys.”

“I am thrilled about this acquisition for a number of reasons,” commented Calder Managing Partner, Max Friar. “It’s fantastic when a local individual buyer acquires a local business with the goal of continuing the owner’s legacy and growth in the community. Secondly, congrats to Parker! This was record-tying transaction #42 of the year for Calder! A big congrats on an excellent transaction and fit. Congratulations to Harry Kobrak and Jeff Cobb!” 

“Calder provided excellent analysis on business valuations and gave me confidence that my offers were competitive for the market and industry. This is important as sellers have a wide variety of expectations! Finding the right business is a process and Calder did a great job of providing insights as I worked my way through it. Ultimately, I was successful in acquiring a high-quality company, Corporate Clean Services.” Harry shared.

Calder Capital, LLC served as the exclusive Mergers and Acquisitions Advisor to Harry Kobrak. The terms of the transaction were not disclosed.


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