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

Whether your business is a start-up venture or a huge conglomerate, GJM offers a full range of services 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.

Stay up to date with free industry newsletters from GJM

  • 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

  • We Understand and Prioritize Client Needs
  • We Discuss Value-added Opportunities
  • We Assemble a Team of Specialists

2. Collaborate

  • We Co-Develop Solutions
  • We Analyze Strategies & Outcomes
  • We Document Solutions

3. Advise

  • We Craft an Action Plan
  • We Execute Engagement
  • We Provide Proactive Solutions


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

Business 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.


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.

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.


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.