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 is named a Business First ‘Best Place to Work’ in central Ohio. Remains on the list for the next eight consecutive years.

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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2012 GBQ opens consulting offices in Philadelphia, New York and Cincinnati.
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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.

Philadelphia office moves to Downtown Philadelphia.

In November 2014, the Better Business Bureau® (BBB) Center for Character Ethics® honored GBQ with a Torch Award.
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2015 GBQ was named a TOP 200 Accounting Firm by INSIDE Public Accounting for the fifth consecutive year.

GBQ is named a Philadelphia Business Journal Healthiest Employer.

GBQ is named “Best Accounting Firm” by Columbus C.E.O. magazine for the sixth consecutive year.

GBQ is named a Wonderful Workplace for Young Professionals by CitYPulse/CYP Club for the second year.

GBQ’s Valuation practice ranks #1 by INSIDE Public Accounting for the third year in a row.

GBQ was awarded the 2015 Independent Accounting Firm of the Year and Best in Sector: Financial Services award from Acquisition Internationalmagazine.

GBQ is named a Columbus Business First Best places to Work in Central Ohio for the ninth consecutive year.
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2016 Firm acquires Ernst & Rabe in Cincinnati.

GBQ Announces Joint Venture with ViaVero.

GBQ Consulting opens an office in Chicago, IL.

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.
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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.