Person Photo
Person Photo

Arthur Hundhausen


555 17th Street, Suite 3200, Denver, CO 80202

Arthur effectively counsels clients in nonprofit and tax-exempt organizations, providing sound advice regarding qualifications for IRS recognition of tax-exempt status, charitable giving transactions, and complex joint ventures involving exempt and for-profit organizations.

His experience also includes guiding clients on the intricacies of unrelated business income tax, excess benefit transactions, and self-dealing issues. He represents tax-exempt public charities, private foundations, community foundations lobbying organizations, trade associations, and social clubs.

Arthur advises clients in the area of state and local taxation regarding the application of state income taxes, sales and use and property taxes in the context of business sales, asset sales, retail business operations, and audits and assessments undertaken by local taxing authorities.

Arthur assists a variety of clients concerning the state and federal income tax aspects of structuring, acquiring, disposing of, operating, and liquidating all types and sizes of business entities in a variety of industries. He also advises a variety of individual and business clients regarding the tax consequences of settlement and judgment proceeds.

Prior to joining Holland & Hart, Arthur practiced law with the Boston firm of Hutchins, Wheeler & Dittmar.




Speaking Engagements


Bar Admissions


  • Chambers USA, Tax, 2020-2022
  • The Best Lawyers in America©, Tax Law, 2011-2023; Trusts and Estates, 2019-2023; Nonprofit / Charities Law, 2021-2023
  • Recognized with The Denver Foundation’s Philanthropic Leadership Award, 2006
  • Colorado Super Lawyers® Rising Stars, Tax Law, 2009

Professional and Civic Affiliations

  • American Bar Association, Member
  • Colorado Bar Association, Member
  • Independent SALT Alliance, Member

Unless you are a current client of Holland & Hart LLP, please do not send any confidential information by email. If you are not a current client and send an email to an individual at Holland & Hart LLP, you acknowledge that we have no obligation to maintain the confidentiality of any information you submit to us, unless we have already agreed to represent you or we later agree to do so. Thus, we may represent a party adverse to you, even if the information you submit to us could be used against you in a matter, and even if you submitted it in a good faith effort to retain us.