Seth Belzley coordinates the Holland & Knight Energy Transactions team that includes professionals practicing in energy related mergers and acquisitions, financing, joint ventures, restructuring and project development. His practice focuses on advising clients on a wide range of transactional and regulatory issues with a focus on mergers and acquisitions, joint ventures, finance, project development, and commercial transactions. Mr. Belzley emphasizes the development of close, long-term, value-added relationships with his clients, who often turn to him first for advice relating to a wide range of issues and ask him to coordinate a team of specialists within the firm to handle their most complex matters.

Mr. Belzley has significant experience in the energy industry that includes representing clients in the pipeline, midstream, oil and gas, renewable fuels, refining, and solar industries. He has served as lead counsel on the development of several significant pipeline, processing and terminal projects in the most important energy hubs in the country. He also regularly advises buyers and sellers of energy infrastructure assets on the sale of those assets or the formation of joint ventures to develop and operate those assets.

In addition, Mr. Belzley has had a longstanding commitment, both personally and as part of his legal practice, to helping business interests, government leaders and nonprofits navigate regulatory, policy and political issues on the local, state and national levels.

Representative Experience

  • Represented Boyne Capital and its portfolio company Pilot Power Group in connection with an acquisition of a company focused on energy consultation
  • Represented Neste Oyj in its investment in Alterra Energy and the related license to Neste of Alterra's proprietary thermochemical liquefaction technology
  • Represented Neste Oyj in the acquisition of the Mahoney Environmental group of companies
  • Represented Howard Midstream Energy Partners on several development projects at the GT Logistics facility in Port Arthur, including the Sabine Bayou Pipeline project and related facilities
  • Represented a large developer of utility-scale solar projects in a joint venture with a large infrastructure bank to jointly pursue the development of projects around the country
  • Represented a midstream company in its sale of pipeline assets to a commodities trader and a related commercial joint venture
  • Represented midstream company in a joint venture with a large producer for the development and operation of a water gathering and disposal system
  • Represented a privately held oil and gas company in the sale of an overriding royalty interest in gas-producing wells to a regulated utility
  • Represented a large distributor of renewable fuels on day-to-day commercial and regulatory issues including compliance with the Petroleum Marketing Practices Act
  • Represented several oil and gas companies on long-term sales agreements, processing agreements and marketing agreements
  • Represented a large integrated oil company on offtake agreements for the purchase of renewable fuels from a new refinery
  • Represented several terminal operators and commodities owners on storage agreements
  • Represented water disposal companies on agreements with oil and gas producers on the gathering and disposal of produced water
  • Represented a strategic buyer in the structuring of a stalking horse bid and debtor-in-possession (DIP) financing transaction to acquire a refiner asset located on the Gulf Coast
  • Represented Caliber Midstream Partners on the acquisition of two salt water disposal wells from Slawson Exploration
  • Represented Howard Midstream Energy Partners in the development of the Dos Águilas project, a system of storage facility and pipelines that will transport refined petroleum products from Corpus Christi, Texas, into northern Mexico
  • Represented TransMontaigne Partners L.P. in a lease, operating agreement and development agreement for the construction and operation of a 1 million-barrel crude oil storage facility in Cushing, Okla.
  • Represented TransMontaigne Partners L.P. in a joint venture with Kinder Morgan to build and operate Battleground Oil Specialty Terminal Company, an export terminal located on the Houston Ship Channel
  • Represented Battleground Oil Specialty Terminal Company LLC in the greenfield development of a 7 million-barrel storage and export facility located on the Houston Ship Channel
  • Represented TransMontaigne Inc. in the sale of its petroleum tug and barge fleet to Teppco Marine Services LLC (now Kirby Marine)

  • Represented Audax Private Equity and its portfolio company FDH Aero in the acquisition of Calco Industries, LLC
  • Represented a privately held bank in its acquisition of an investment adviser
  • Represented a publicly traded bank with operations in Colorado in its acquisition by one of the largest publicly traded banks in the United States

  • Represented an early stage software company in its formation and seed round financing
  • Represented a late-stage technology company in its acquisition by one of the world's largest communications and technology companies

  • Represented a large health insurer in a strategic partnership with a membership organization to create a new health insurance product and model


  • The University of Texas School of Law, J.D., high honors
  • Colorado College, B.A., cum laude
Bar Admissions/Licenses
  • Colorado
  • Texas
  • The Denver Foundation, Board of Trustees
  • Denver Scholarship Foundation, Board of Directors
  • Denver Board of Human Services, Chair
Honors & Awards
  • Chambers USA – America's Leading Business Lawyers guide, Corporate/M&A , Up & Coming, 2022
  • The Best Lawyers in America guide, Corporate Law, 2018-2022
  • Rising Star, Colorado Super Lawyers magazine, 2017, 2018
  • Who's Who in Energy, Denver Business Journal, 2016-2019
  • 40 Under 40, Denver Business Journal, 2017 
  • Texas Bar Foundation, Fellow
  • Texas Law Review, Managing Editor
  • Chancellors, The University of Texas School of Law
  • Order of the Coif, The University of Texas School of Law
Spoken Languages
  • English
  • German