Rehmann is a professional advisory firm that provides accounting and assurance, business solutions and outsourcing, specialized consulting, and wealth management services. For over 80 years, Rehmann has provided forward-thinking solutions to our clients nationwide. With over 1,000 associates in Michigan, Ohio, and Florida, we are the momentum behind what’s possible. We focus on the business of business – allowing companies and individuals to focus on what makes them extraordinary.


Cannabis accounting and advisory services

Cannabis business owners face unique challenges. Rehmann is proud to be one of the leading and most experienced firms offering professional advisory to Michigan’s cannabis industry.

Audit and assurance

At Rehmann we offer extensive understanding with a partnership approach to reduce risk, ensure compliance, and provide clarity. Delivered with efficiency and ease.

Business Consulting

From strategic planning tools and employee benefits, to business valuations and process improvement, we can help you take actions to become more profitable and more competitive.

HR solutions

Your employees are your organization’s most important resource. At Rehmann, we offer a full suite of HR solutions to help build safe, well-functioning, and highly productive work environments.

Tax advisory

Rehmann is here to help you navigate the complexities, challenges, and nuances of federal, state, and local taxes with comprehensive tax consulting, preparation, and compliance services.

Technology solutions

At Rehmann, we empower our clients with comprehensive technology solutions. But more than that, we provide them with the tools and confidence to move forward — and ahead.


Chris Rosmarin, CPA

Chris manages the commercial audit practice in Grand Rapids and also leads the firm’s cannabis and financial due diligence practices. He provides financial statement audit and review services, financial due diligence services (quality of earnings) and accounting advisory services to various companies across industries. Chris has lived in and served West Michigan for most of his career, serving hundreds of clients, both large and small, public and private, during his career. As a result, he is well respected throughout the West Michigan business community. Chris understands that clients expect and deserve a partner that is responsive, invested in the relationship and dedicated to helping them respond to their challenges. He strives to exceed expectations by meeting deadlines and being available and present throughout the relationship. Chris began his public accounting career in 1991 and joined Rehmann in 2016 after gaining extensive experience as an assurance partner with two “Big Four” firms. Throughout his career, Chris has worked in Grand Rapids, Milwaukee, Chicago, NYC and New Jersey. Chris is actively involved in his community, currently serving as a Board Trustee of the Grand Rapids Art Museum and as a Commissioner on the East Grand Rapids Planning Commission. He previously served on the Boards of Gilda’s Club of Grand Rapids, Grand Valley State Accounting Advisory Board, Grand Rapids Community Foundation, and East Grand Rapids Dads. Chris is a frequently asked to present on the impact of new accounting pronouncements for organizations such as the MICPA, Financial Executives International, and INFORUM.