GBQ is pleased to announce that Mark Osbourne, CPA, has joined the firm as a Controller based in the Toledo office.

Mark brings over 25 years of public accounting experience with him to GBQ, where he will support the firm’s Client Accounting & Advisory Services (CAAS) team in its efforts to provide outsourced accounting and strategic business consulting services. Previously, Mark served in local, regional and global accounting firms, providing audit and accounting services to small and mid-sized businesses in various industries, including manufacturing, distribution, service and nonprofit, with expertise in employee benefit plans, income tax accounting and lease accounting.

CAAS Director Jeremy Bronson shared, “Mark has established an outstanding track record of success in working with various businesses and clients. Adding him to our team allows us to expand our advisory services offerings into a fractional Controller/CFO role, further empowering growth of our clients’ businesses.”

Mark is currently a member of the American Institute of Certified Public Accountants, The Ohio Society of Certified Public Accountants, and the Michigan Association of Certified Public Accountants.


About GBQ

At GBQ, our purpose is clear: we empower growth; growth of our people, our communities and our clients’ businesses. A top tax, accounting and consulting firm for 69 years, we’re driven by the outcomes that we know can change the lives of those we work with and for. We’ve learned that this is what matters most to our stakeholders. It is this purpose that drives and inspires us every day. It’s why we exist.

Visit GBQ online at, become a fan on Facebook or follow us on TwitterLinkedIn and Instagram.

« Back