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About Us

About Our Firm

For years, Dantio Grabo & Company has been providing quality, personalized financial guidance to individuals and businesses.   Dantio Grabo & Company has been assisting closely held businesses attain their financial objectives in the areas of tax, accounting, business consulting and technology support. Our professionals help business owners reach their goals through financial reporting, tax preparation and compliance, assistance in IRS matters, and business and tax planning.

By combining our expertise, experience and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve. Our dedication to high standards, hiring of seasoned professionals, and work ethic is the reason our clients returns year after year.

Dantio Grabo & Company serves a diverse client base comprised of successful companies representing such industries as:

  • Manufacturing
  • Construction
  • Retail
  • Healthcare
  • Non-Profit
  • Real Estate
  • Plaintiff Law Firms
  • Distribution
  • Professional Services


Our Mission

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients' needs through research and sound analysis. Dantio Grabo & Company is dedicated to meeting these goals with high standards of excellence and professionalism.

Our dedication to hard work has earned the respect of the business and financial community in and around the area. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that individuals and businesses who choose Dantio Grabo & Company receive competent and timely advice.

Our Team

Greggory L. Dantio, CPA

A lifelong resident of Cleveland, Gregg graduated from St. Edward High School in 1975 and earned a Bachelor of Science Degree from Baldwin-Wallace College in 1978. In 1983 he joined Dantio Grabo & Company and became a shareholder in 1986. Beyond providing tax planning and accounting services, he has a special interest in assisting clients who desire to start up, acquire or sell a business. Gregg also specializes in providing consulting, tax and accounting services to plaintiff law firms.

Gregg is a member of the American Institute of Certified Public Accountants. He has served on a number of non-profit boards including Catholic Charities. He enjoys gardening and traveling, especially to the National Parks, with his wife and daughters.

Mark A. Grabo, CPA

Mark grew up in the Chicago area and moved to Ohio in 1972, where he graduated from North Olmsted High School. He attended Michigan State University and acquired his Bachelor of Business Administration degree from Cleveland State University. He has been in public accounting since 1978 and became an owner in the firm in 1981. Mark has been very active in the computer field since his early years with the Company. Mark has worked with our clients writing custom computer programs for construction companies, distributors, attorneys, churches, architects and others, helping them get meaningful information from their accounting data.

In his spare time, Mark enjoys restoring old computers to give away, bike riding in the Metroparks, fishing and traveling.

Patricia A. Zinn, CPA

Patti is a graduate of Avon High School and Ohio Northern University where she earned a Bachelor of Science in Business Administration with majors in accounting and finance. She has been with Dantio Grabo & Company since 1995. Prior to joining the firm she worked in public accounting at another local CPA firm for six years. She works with closely-held businesses, their owners, and individuals in the areas of accounting, tax and income tax planning. As a QuickBooks Certified Pro Advisor, she also works with small businesses to set-up, train and maintain their QuickBooks accounting files.

Patti is currently a member of the Professional Women’s Connection – West, and a member/trustee on the board for the North Coast Chamber of Commerce. Patti also serves as an Ambassador and on a Business Advisory Board for the Power of More. She serves as President on two condominium association boards. In her down time Patti enjoys spending time with friends and family and reading.

Carol J. Dalton, CPA

Carol joined Dantio Grabo & Company in 2005. She has many years’ experience providing tax, accounting and business advisory services to small, closely-held businesses in various industries. She works with owners and their staff to assure federal, state and local tax compliance in addition to solving business problems and providing planning for tax efficiencies. Carol also provides QuickBooks support including implementation of the software and training of client personnel.

Carol was treasurer of a homeowners association for many years. When she is not helping her clients, Carol enjoys being with family, gardening, swimming and reading.

Emily S. Dantio, CPA

Emily graduated from St. Joseph Academy in 2008 and went on to Baldwin Wallace University to earn an MBA in Accounting and a Bachelor of Arts in Accounting and Management in 2013. She joined Dantio Grabo & Company in 2017 and had previously worked at another local CPA firm for four years. As a QuickBooks Online Certified Pro Advisor, Emily enjoys helping her clients learn how to use QuickBooks Online to satisfy their business's needs more efficiently and effectively. Emily enjoys traveling, doing jigsaw puzzles, and watching Cleveland sports teams.

Erika B. Baron

Erika graduated from Elyria High School in 2008 and Lorain County Community College in 2011 with Associate Degrees in Science and in Arts. She joined Dantio Grabo & Company in 2021 after working for The American Red Cross. In her free time Erika enjoys spending time with her dogs, propagating house plants, knitting, and embroidery.

Jackson H. Lynn

Born and raised in the Cleveland area, Jackson is a Saint Ignatius High School graduate from 2015 and completed his Master’s in Accounting in May of 2020 before starting his first job at Dantio Grabo & Company. Jackson looks forward to earning his CPA and finding his niche within the company. When not working, Jackson enjoys writing fiction, playing board games, and napping with his dogs.