1953       . Morris W. Groner moves from New York to Columbus to establish his own accounting firm. His first associate is his wife Ruth and his first office is on East Main Street.
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1957 Jack Boyle (from Price Waterhouse) joins Morris in practice.
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1966 Ron Quillin (from Ernst & Ernst) joins Morris and Jack and the firm name evolves to Groner Boyle & Quillin.
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1969 Firm purchases building and moves offices to 957 East Broad.
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1976 GBQ produces first newsletter, brochure and radio ad.
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1979 Jack Boyle is named firm’s first official Managing Partner.
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1980 GBQ helps form Practice Management Associates, one of the first practice management associations in the country for CPA firms.

Morris Groner retires from the firm.
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1981 GBQ begins delivery of green bagels on St. Patrick’s Day.
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1985 Firm admits first female Partner, Kathy Nunamaker.
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1986 Firm joins the DFK Association.
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1990 Firm moves its office to 500 South Front Street in Columbus’ Brewery District.
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1991 Jack Boyle retires and Ron Quillin is named Managing Partner.
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1995 GBQ organizes and sponsors the first Goodwill Great Balls of Fire Golf Tournament.
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1996 Ron Quillin retires and Wade Kozich is named Managing Director.

GBQ becomes an independent member of the BDO Alliance USA.

Firm acquires Columbus office of Cleveland firm, Meaden & Moore.
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1998 Firm adds 10 associates from the Columbus office of Cleveland firm, Ciuni & Panichi.
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1999 Firm name is officially changed from Groner Boyle & Quillin to GBQ Partners LLC.
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2000 Firm honored by Goodwill Columbus at the Extraordinary People Luncheon.

Mark LaPlace named Chair of the Board of the Ohio Society of CPAs.
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2002 Firm wins Business First’s Corporate Caring Award.
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2003 GBQ celebrates 50 years in business.
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2004 Firm hires first Director of Business Development.
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2005 GBQ Partners reorganizes forming GBQ Holdings and four subsidiaries.

GBQ Consulting officially organizes and launches, providing valuation and litigation support services.
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2006 GBQ surpasses 100 associates for the first time in firm’s history.
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2007 GBQ launches Redbank Advisors, a management consulting division.

GBQ acquires valuation arm of Goelzer Investment Banking of Indianapolis, IN, establishing the firm’s first office outside of Ohio.
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2008 GBQ Capital formed to provide merger & acquisition services.

Firm moves its offices from the 500 S. Front Street building to new space at 230 West Street in Columbus’ Arena District.

GBQ ranks #1 on the Columbus Business First ‘Best Places to Work’ in central Ohio.
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2010 Darci Congrove is named Managing Director.
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2011 Firm acquires Condit and Associates LLC.
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2013 GBQ celebrates 60 years in business!

GBQ is named a Top Five Fastest-Growing firm in the nation by INSIDE Public Accounting. The firm was also recognized in 2011.

GBQ is recognized by Columbus Business First as a Healthiest Employer.
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2014 GBQ was recognized by Columbus Business First with a Corporate Caring Award in the Human Services Category.

The firm is honored with a Torch Award from the Better Business Bureau® (BBB) Center for Character Ethics®.
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2015 GBQ was awarded the 2015 Independent Accounting Firm of the Year and Best in Sector: Financial Services award from Acquisition International magazine.
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2016 Firm acquires Ernst & Rabe in Cincinnati.

GBQ announces joint venture with ViaVero.

GBQ is named one of the Top 50 ‘Best of the Best’ Accounting Firms in the nation by INSIDE Public Accounting and received the award also in 2000, 2001, 2004, 2010-13 and 2016.
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2017  Tom Powers named Director of Assurance Services and takes over as the head of GBQ’s audit practice.

Firm expands in Cincinnati and moves office from Wooster Road to new space at 4030 Smith Road in Rookwood.

GBQ’s valuation practice ranks #1 for the fifth consecutive year in INSIDE Public Accounting’s annual survey.

Bob Biehl receives the Builders Exchange of Central Ohio President’s Award
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2018  Tim Schlotterer is named Director of Tax Services and takes over as the head of the firm’s tax department.

Bob Biehl awarded the Institute of Certified Construction Industry Professionals Vision and Leadership Award.

GBQ launches Keep Financials, reveals next phase of outsourced accounting.
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2019  GBQ named a Construction Executive Top 50 Construction Accounting Firm.

Darci Congrove inducted into YWCA Women of Achievement academy.
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2020  Firm acquires Weber Clark in Toledo.
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2021 GBQ enters joint venture with The Siekmann Company.
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