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About

Mark Dennis, CPA, MBA, CFF

Colorado certificate number 0032797, issued on January 23rd, 2015

Mark Dennis is President of Dennis & Company, P.C. Mark joined Dennis & Company in 2012, and became the majority shareholder in 2015 after passing all four sections of the Uniform Certified Public Accountant examination in his first sitting, achieving an average score of 85.5%. Effective February 18th, 2017, Mark also holds the AICPA’s Certified in Financial Forensics (CFF) credential, covering professional responsibilities, practice management and forensics. Mark is an experienced tax and accounting practitioner in the bankruptcy field, having worked on over 500 bankruptcy estates, including Chapter 7, 11 and 13 estates. Mark advises bankruptcy trustees, attorneys and debtors on bankruptcy matters such as the value, character and basis of assets in the hands of bankruptcy estates, the treatment of tax attributes on debtor and bankruptcy estate tax returns and forecasting tax liability from proposed transactions. He also performs complex financial analysis including consolidating subsidiaries and investigating transactions to determine possible fraudulent/preferential transfer claims and analyzing wage and creditor claims. His compliance work for bankruptcy estates includes the preparation of periodic operating reports and tax returns for Chapter 11 estates, as well as income and payroll tax returns for personal, corporate, LLC and partnership Chapter 7 bankruptcy estates. Mark has also testified in the US Bankruptcy Court and been hired as an economic damages expert.


mark d. dennis

David E. Dennis, Certified Public Accountant (CPA)

Colorado certificate number 4292, issued on April 20th, 1977

David Dennis is Vice President of Dennis & Company. Mr. Dennis has been employed in the field of public accounting continuously since 1972, when he was licensed in California. During this time, Dave has provided professional services to clients in the areas of tax, accounting and management consulting services. Within the consulting arena, he has been retained to provide services such as being an expert witness, serving as a receiver, serving as a Special Master and providing consulting on damages and equity disputes. As a result of this extensive experience, Dave has emerged as one of the leading accounting and tax professionals for bankruptcy estates in Colorado. His experience includes testimony in the US Bankruptcy Court, dealing with issues including accounting, valuation, insolvency and preferential/fraudulent transfers. He has been appointed as administrator and/or disbursing agent in liquidating Chapter 11 estates and has been a Special Master in state court and bankruptcy court.


mark d. dennis and David e. dennis

Mariem Skalli, Accountant

Mariem Skalli joined Dennis & Company in January, 2016 as a paid intern, and became a full time accountant in May 2016 after graduating from Metropolitan State University of Denver with a Bachelor’s Degree in Accounting. During her time at Dennis & Company, Mariem has gained experience in the preparation and evaluation of financial statements, including manual data compilation and working with accounting software applications such as QuickBooksTM. Mariem has also gained proficiency in the preparation of periodic operating reports for the bankruptcy court. Mariem’s tax return preparation experience includes complex individual returns, corporations, partnerships, LLCs and large non-profit organizations. Mariem is also proficient with the creation of payroll journal entries and the preparation of payroll tax returns.


Mariem Skalli, Accountant

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Giving Back to the Community

Dennis & Company are dedicated to serving the community in a variety of different ways:

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Mark Dennis, Treasurer, Cherry Creek Bruins Touchdown Club
Doctors Care
Mark Dennis, Board Member, Doctors Care
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David and Mark Dennis, Board Members, Elite Care at Home

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