1953       . Morris W. Groner moves from New York to Columbus to establish his own accounting firm on East Main Street with his wife (and first associate!) Ruth.
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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 Street.
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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 GBQ admits first female Partner, Kathy Nunamaker.
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1986 GBQ joins the DFK Association.
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1990 GBQ 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.

GBQ acquires Columbus office of Cleveland-based Meaden & Moore.
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1998 GBQ adds 10 associates from the Columbus office of Cleveland-based 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 GBQ is honored by Goodwill Columbus at the Extraordinary People Luncheon.

Mark LaPlace is named Chair of the Ohio Society of CPAs Board.

GBQ is recognized an Inside Public Accounting Best of the Best Firm in 2000-2001, 2004, 2010-2013, 2016, 2020-2022.
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2002 GBQ is a Columbus Business First Corporate Caring Award finalist in 2002-2008 and 2010-2017. In 2018, the award was replaced with the Corporate Citizenship Award in which GBQ is a finalist in 2018-2019 and 2022.
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2003 GBQ celebrates 50 years in business.
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2004 GBQ hires our first Director of Business Development, Rick Kondoff.
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2005 GBQ Partners LLC 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 the firm’s history.
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2007 GBQ acquires valuation arm of Goelzer Investment Banking of Indianapolis, IN, establishing GBQ’s first office outside of Ohio.

GBQ is named a Columbus Business First Best Places to Work and goes on to win for 16 consecutive years.
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2008 GBQ Capital is formed to provide merger & acquisition services.

GBQ moves its offices from 500 S. Front Street to a new space at 230 West Street in Columbus’ Arena District.
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2010 Darci Congrove is named Managing Director.

GBQ receives the Columbus CEO Best of Business award for 2010-2015 and 2017-2022.

GBQ is named among the Top 200 Firms from 2010-2021 by Inside Public Accounting.
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2011 GBQ acquires Condit and Associates LLC.
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2013 GBQ celebrates 60 years in business!

GBQ is among the nation’s top five Fastest-Growing Firms by INSIDE Public Accounting. The firm was also recognized in 2011.

GBQ is recognized as a Wonderful Workplace for Columbus Young Professionals by the Columbus Young Professionals Club from 2013 – 2021.

Columbus Business First recognizes GBQ as a Healthiest Employer.
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2014 GBQ receives a Columbus Business First Corporate Caring Award in the Human Services category.

The firm is recognized as the only two-time winner of the Torch Awards for Ethics by the Better Business Bureau® of Central Ohio in 2014 and 2022.
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2015 GBQ is the Acquisition International 2015 Independent Accounting Firm of the Year and Best in Sector: Financial Services.
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2016 GBQ acquires Cincinnati-based Ernst & Rabe.

Ohio Business Magazine names GBQ a Best Workplace in Ohio from 2016-2022.

GBQ is a recipient of the Medical mutual Pillar Award for Community Service in 2016 and 2022.
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2017  Tom Powers named Director of Assurance Services and takes over as the head of GBQ’s audit practice.

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

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

Bob Biehl receives the Builders Exchange of Central Ohio President’s Award.

Cincinnati Business Courier recognizes GBQ as a Best Places to Work in 2017-2019 and 2021-2022.
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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 is awarded the Institute of Certified Construction Industry Professionals Vision and Leadership Award.
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2019  GBQ is a Construction Executive Top 50 Construction Accounting Firm.

Darci Congrove inducted into the YWCA Women of Achievement Academy.
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2020  GBQ acquires Toledo-based Weber Clark.

Forbes names GBQ among its lists of America’s Best Tax and Accounting Firms in 2020-2023.
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2021 GBQ enters joint venture with The Siekmann Company.

Ohio Business Magazine names GBQ a Best in Ohio Business.

The Blade (Toledo) recognizes GBQ among the Toledo area’s Top Work Places in 2021 and 2023.
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2022 GBQ acquires Cincinnati-based Wade Werner Thompson & Co.

GBQ enters a strategic partnership with ProNovos, a cloud-based construction software provider.

Accounting Today names GBQ among the top five Firms to Watch; recognized as a Great Lakes Regional Leader in 2022 and 2023.

GBQ acquires toledo-based VZN Group, LLC.

GBQ announces the addition of TJ Conger and his team of tax and accounting professionals.

GBQ debuts among the list of Top 100 Firms by Inside Public Accounting.

Callahan & Associates recognizes GBQ as a leading firm in Ohio and among the nation’s top 20 credit union audit firms.
2023 Ohio Business features GBQ as a recipient of the Ohio Success Award.

GBQ debuts among Accounting Today‘s Top 100 Firms.

GBQ is named a Best in Cincy Business by Cincy Magazine.
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