William “Bill” Peffer


Denver, Colorado

Phone: 303.299.8066

Fax: 303.298.0940



  • Juris Doctor, University of Iowa College of Law, 2009
    • with Distinction
  • Bachelor of Arts in History and Political Science, University of Colorado at Boulder, 2006

As a member of the Corporate Group, Bill Peffer focuses his practice on the areas of mergers and acquisitions and corporate finance. With over a decade of experience doing deals, Bill has represented over 100 buyers, sellers, borrowers, and lenders in all types of transactions, from closely-held equity redemptions of $50,000 to syndicated credit facilities and acquisitions in excess of $2 billion.

As transactional counsel, Bill brings a pragmatic and closing-oriented approach to each deal, helping clients achieve their goals by identifying, understanding, and mitigating the risks inherent in business transactions.  Bill takes time to ensure that his clients clearly understand their obligations and liabilities while staying focused on issues with real-world implications.

In addition to serving as transaction counsel, he also serves as outside general counsel for a variety of privately-held businesses on matters related to governing documents, private placements, contract drafting, corporate governance, real estate matters, and financing opportunities.



  • Drafted and negotiated purchase agreement for low earth orbit satellite manufacturer selling payload and platform data to end user.
  • Assisted VisuTerra, LLC, a Denver-based start-up specializing in AI-developed spacial mapping, with formation and negotiation of operating agreement among the owners.
  • Represented the Consortium of Focused Orthopedists, an orthopedic surgery group in the license, development, and sale of a shoulder arthroplasty implant system and related intellectual property to Integra LifeSciences and Smith+Nephew.
  • Represented the owners of AccuWin, LLC and DK Construction, LLC, in connection with the sale of their window construction and insurance adjustment business to Blueprint AccuWin, a subsidiary of Aquiline Capital Partners, a New York private equity firm, involving an F-Reorganization and issuance of rollover equity.
  • Represented the owners of HealthAware, LLC a health risk assessment device and software provider, in the sale of HealthAware to Eruptr, a digital market and patient engagement company, and related pre-sale debtholder workout and restructuring.
  • Represented Integrated Cable Systems, Inc. a custom cable and engineering company, in the sale of its assets to TPC Wire & Cable, a portfolio company of Audax Private Equity.
  • Represented Fortune 250 telecommunications company in the sale of its home security division assets to Brinks Home Security.
  • Represented Latitude 38 Vacation Rentals, a Telluride-based vacation rental management company in connection with the sale of its portfolio of properties and related assets to Vacasa LLC.
  • Represented strategic buyer in the acquisition of assets and intellectual property from UK wireless company focused on Wi-Fi/Cellular Network Interoperability.
  • Represented the owner of Xclusive Staffing, LLC, an outside staffing company, in the sale of the company equity to a subsidiary of Transition Capital Partners, a Dallas private equity firm, involving an F-Reorganization and issuance of rollover equity.
  • Represented Perch, a closely held Colorado women’s contemporary retail chain in connection with the redemption and buyout of a minority owner.
  • Represented Siegel Oil Company, Colorado-based lubricants, chemical, and auto parts distributor, in the sale of its assets to West Direct Oil Company, a subsidiary of Diesel Direct.
  • Represented Columbine Hills Concrete, Inc. and related entities in the sale of stock and business assets, involving a pre-transaction F-Reorganization and restructuring.
  • Represented Boulder-based closely-held cloud particle probe development company in connection with a recapitalization and sale of minority equity to a private buyer.
  • Advised publicly held company in connection with acquisition and negotiation of warrants to purchase shares of third party sales and technology partner.


  • Assisted Denver-based manufacturer of spacecraft platforms with the negotiation and closing of a $50M loan facility that required an internal corporate reorganization.
  • Worked with start-up satellite and space platform manufacturer to complete private placements of convertible debt, term loans, and equity securities.
  • Represented privately-held California company in connection with negotiation and closing of a $500M syndicated credit facility.
  • Represented MT Networks, LLC, a subsidiary of Cellular One, in connection with a loan from Webster Bank to finance 5G network buildout and maintenance.
  • Represented local developer in connection with private placements and debt financing for Colorado Springs multi-use real estate development.
  • Represented over a dozen commercial banks and non-bank lenders in connection with commercial and industrial, acquisition finance, and real estate loans, including syndicated loans representing lead arrangers and administrative agents, mezzanine loans with warrant coverage, and loans involving subordination and intercreditor agreements.


  • Represented Colorado cattle ranch and landowner in connection with the acquisition and operation of land for residential lease, ranching, and water operations, including the sale of water to end-users.
  • Represented real estate developer in acquisition and financing of a multifamily apartment complex and other land in Boise, Idaho.
  • Represented various office, industrial, and commercial landlords and tenants in the negotiation of real estate purchase and sale, and lease and sub-lease arrangements.

Publications & Presentations

Professional Activities

  • MENTOR Colorado – Board and Development Committee Member
  • Denver Biennial of the Americas – Board Secretary
  • Association for Corporate Growth – L20 Leadership Program Participant (2019)
  • Colorado Urban Land Institute – Co-Chair of Development 360 Program (2017-2019)
  • Downtown Denver Partnership – Economic Development Committee Member and Leadership Program Participant (2015)