GJM is the largest locally owned public accounting firm in Northwest Ohio.

Whether your business is a start-up venture or a huge conglomerate, the full range of GJM® services is designed to help you become more profitable. We do more than provide services-we provide solutions. As your financial problem-solvers, we will look at an issue from every angle to help you make the best decision for your company.


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GJM proactively brings ideas to the table that help make our business better. The whole process was seamless and reduced our taxes by thousands of dollars.

Engineering Company

We have worked closely with GJM's healthcare practice for 6 years and we always receive timely information that we trust. Their healthcare expertise has been invaluable.

Healthcare Company

GJM has really become an extension of our team and I always know they have our best interests at heart. They are more than accountants, they are trusted business advisors.

Manufacturing Company


1. Discover

Beginning a relationship with GJM starts with discovery. We listen and learn so we can understand and prioritize what matters most to you. We identify value-added opportunities specific to your business and we assemble a team of specialists to help you reach your goals.


2. Collaborate

Client relationships at GJM are all about collaboration. We work with you to meet your needs and co-develop solutions. We analyze strategies and outcomes with your goals in mind.  


3. Advise

Advisory is what we do. We craft an action plan for success. We engage with your team and, as a partner, provide proactive solutions to get you where you want to go.


From consulting to comprehensive monthly financial records to trusted guidance on accounting methods, GJM focuses on helping you manage your business and improve the quality of your financial reporting.

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Business & Transaction Advisory

Whether your company needs full CFO services or occasional advice to help you make a complex decision, our experienced advisors can help you weigh all your options and confidently take action. Think of us as experienced partners who can compliment the skills of your management team.

Learn More about Business & Transaction Advisory

Healthcare Management & Advisory

We have extensive experience helping over 1000 healthcare providers and hospitals increase cash flow, manage costs and improve reimbursements. With our innovative ideas and trusted advice by your side you can spend more time doing what you do best – treating patients.

Learn More about Healthcare Management & Advisory

Outsourced Accounting

Our outsourced accounting services allow you to lean on our expertise as you work to grow your business.

Learn More about Outsourced Accounting

Risk Advisory

Risk is a necessary part of starting and running a company. However, minimizing your exposure to risk and planning for the unexpected are also part of the daily business lives of every successful business leader.

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Our tax professionals help you identify the right overall tax positions for your situation. Our plans not only identify ways to help you save money, they also build strong reporting foundations for future success.

Learn More about Tax

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