Edward R. Bannen, CPA

Senior Manager, Assurance & Business Advisory Services
(614) 947-5204

Ed is a value-add leader focused on increasing enterprise value. His approach to business advisory services is centered on understanding industry environments, as well as business specific circumstances. While serving these clients, Ed brings best practices from Fortune 500 companies to private sector industry leaders with teamwork and a focus on communication and planning.

As a senior manager in the assurance practice, Ed manages audits, reviews, and agreed-upon procedures for various compliance requirements. He has experience coordinating large scale international audits across multiple reporting entities and various industries to single operation, one location audits. Ed has experience
with companies using International Financial Reporting Standards (IFRS) and Generally Accepted Accounting Principles (GAAP – US), as well as the respective auditing standards for these frameworks.

Ed has a wide range of finance consulting experience performing buy- and sell-side due diligence, SEC reporting, contract and pricing review, and SOX internal controls assessments. Additionally, Ed executes risk assessments identifying potential opportunities for mitigation and cost savings. Lastly, he has been engaged to provide technical assistance on complex accounting issues for non-attest clients.

Ed began his career with GBQ, however later accepted an opportunity at Greif Inc., a five billion dollar global manufacturing company located in Delaware, Ohio, where he performed SEC reporting tasks, operational analysis, review of business transactions (acquisitions, divestments, mergers, joint ventures, etc.), incentive plan management and forecasting, compiled information for investor relationships, as well as acted as a business liaison between the audit firm and the corporate controller’s team. During this time, Ed was also involved with the Hyperion ERP implementation team, providing input on system data flows and process streamlining. Additionally, Ed worked with the internal controls manager on understanding the control environment, process control implementation, and remediation of deficiencies.

Following his time at Greif, Ed returned to GBQ in 2016, where he continues to avidly serve numerous industry niches including aviation focused businesses, SEC clients, manufacturing and distribution, and technology businesses. Internally at GBQ, Ed participates in campus recruiting and leads multiple efforts for staff development. In 2019, Ed was a recipient of the GBQ Morris Groner Entrepreneur Award, which recognized Ed for his ”outside the box” thinking and value-add services approach for both existing and prospective clients.


  • Bowling Green State University – B.S., Accounting

Professional Associations

  • American Institute of Certified Public Accountants
  • The Ohio Society of Certified Public Accountants


Professional Bio