Douglas S. Kook, CPA, CVA, CPE

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1104 Philadelphia Pike
Wilmington, DE 19809


Bumpers & Company, CPAs

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Douglas S. Kook, CPA, CVA,CPE has been with Bumpers & Company since 1999. Following his graduation from the University of Delaware with a Bachelors of Science in Accounting, he obtained his CPA, and later his CVA and this year is CPE. Doug is currently a member of the AICPA, DSCPA and NACVA.

As a professional, the primary motivation for Doug is the success of his clients. He got into the Public Accounting field in order to help people achieve their goals, and he loves nothing more than being able to make an impact on a client’s bottom line and overall financial situation. Doug is a tax and business valuation expert, and has extensive experience in the small business and medical practice accounting and consulting fields. His focus on quality, accuracy, compliance and client service, paired with his honesty, integrity and drive to find solutions to even the most challenging problems, make him an ideal leader for the firm and a trusted advisor for our clients.

Originally from Ohio, Doug’s family relocated to Delaware when he was seven. Doug currently resides in Wilmington, where he is heavily involved in a variety of organizations. He serves as the President of the Delaware State Chapter of the NACVA , Treasurer of the Wilmington West Rotary Club, Wilmington West Rotary Foundation and the Wilmington Delaware Area Rotary Clubs Community Fund (Can Do Playground), Board Member of the Claymont Community Center, Board Member of the Southern Chester County Chamber of Commerce, and Treasurer for Stockings for Soldiers. Doug also partners with Widener University as an Accounting and Finance Curriculum Board Member.

A true sports enthusiast, Doug has both played on and managed teams in adult baseball leagues, and has participated in Bike to the Bay, the Philadelphia Rock N Roll Half Marathon and the New Castle County Flag Football League. He is looking forward to sharing his love of Nolan Ryan and baseball with his sons as little league coach sometime in the future.

Doug was thrilled when, in 2019, Bumpers & Company was selected as Marvin S. Gilman Superstars in Business Award winner by the Delaware State Chamber of Commerce. He is committed to keeping himself and his firm "Focused on your future; Present for your success."


  • Accounting and Auditing
  • Accounting Systems
  • Budgeting & Forecasting
  • Business Combinations
  • Bookkeeping
  • Business Succession
  • Business and Strategic Planning
  • Business Valuations
  • Cost Accounting
  • Closely Held Business
  • Consulting
  • Corporate Tax
  • Divorce
  • Employee Benefit Plans
  • Estate Planning/Wills
  • Estate Trust & Gift Tax
  • Financial & Estate Planning
  • Forecast and Projections
  • Forensic Accounting
  • Franchises
  • Fiduciary/Trust Tax
  • International Tax
  • Individual Tax
  • Lease Accounting
  • Management Advisory Services
  • Mergers Acquisitions Liquidations
  • Multi-State Operations
  • Multi-State Tax Issues
  • Operational Analysis
  • Pension & Profit Sharing
  • Purchase and Sale of a Business
  • Prospective Financial Information
  • Reviews & Compilations
  • Real Estate Tax
  • Real Estate Investment Trusts
  • Retirement Planning
  • Sales & Use Taxes
  • Starting a Business
  • Small Business Plan/Issues
  • Sub Chapter S Corporations
  • Tax Planning


  • Agriculture
  • Artists/Musicians
  • Arts/Entertainment
  • Automobile Dealerships
  • Biotech
  • Clergy
  • Communications
  • Construction
  • Employment Industries
  • Hospitality
  • High Tech
  • Insurance Agents and Brokers
  • Insurance Companies
  • Leasing Companies
  • Manufacturing
  • Medical Professionals
  • Not for Profit
  • Physicians & Dentists
  • Publishing
  • Real Estate
  • Restaurants
  • Retail
  • Transportation
  • Wholesale

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