Overview
The business and commercial law practice of Williams Weese Pepple & Ferguson has been a respected institution for more than four decades. Over the years, we’ve earned a reputation for placing the highest value on close personal relationships with our clients and working tirelessly to achieve successful and efficient outcomes. We practice in Colorado, the Rocky Mountain region, and beyond. Our attorneys offer expertise in commercial and regulatory litigation, employment, energy, natural resources, the environment, oil and gas, federal lands, ski resorts, real estate, tax, corporate counseling and transactions, mergers and acquisitions, intellectual property, data privacy, and technology transactions. With our attorneys’ experience in big law firms, we are known for efficiently and expertly handling big-firm-sophisticated work with small-firm client service and attention.
Rankings
National
Tier
2
National Ranking
Natural Resources LawRegional
Colorado
Tier
1
Colorado
Administrative / Regulatory LawTier
1
Colorado
Commercial LitigationTier
1
Colorado
Employment Law - IndividualsTier
1
Colorado
Employment Law - ManagementTier
1
Colorado
Energy Regulatory LawTier
1
Colorado
Environmental LawAbout Our Clients
Our clients include public and private companies, private equity funds, individuals, investors, trade associations, lenders, and developers.
Highlighted Client Comments
These featured testimonials reflect a sampling of client experiences. As every legal matter is unique—comments are personal opinions, not guarantees of future results.
Energy Regulatory Law
Williams, Weese, Pepple & Ferguson's energy and environment team is best-in-class. They have significant experience spanning energy and environmental law areas. They have a unique ability to problem solve and navigate the most complex of issues.
Administrative / Regulatory Law
In my view, Zeke Williams is a proven expert and superior legal professional in the fields of environmental and federal regulatory law and has been of great service and value to Aspen Skiing Company.
David Corbin
Aspen Skiing CompanyAdministrative / Regulatory Law
Zeke Williams took on a seemingly impossible impasse with the Forest Service on our behalf , addressed the issues promptly and professionally, and paved the way to a much better working relationship with the Forest Service. We are very grateful for our affiliation with Zeke and his firm.
John Doherty
Lake of the Woods Resort LLCAdministrative / Regulatory Law
The lawyers at Williams, Weese, Pepple & Ferguson are top-notch professionals who provide great customer service and obtain the best possible results.
Employment Law - Management
Williams, Weese, Pepple & Ferguson is our go-to firm for Employment Law and Employment Litigation.
Environmental Law
The lawyers at Williams, Weese, Pepple & Ferguson are top-notch professionals who provide great customer service and obtain the best possible results.
Environmental Law
Williams, Weese, Pepple & Ferguson is highly specialized in NEPA issues and projects, providing smooth and efficient counsel throughout the NEPA process while assisting in minimizing client risk.
Energy Regulatory Law
The lawyers at Williams, Weese, Pepple & Ferguson are top-notch professionals who provide great customer service and obtain the best possible results.
Commercial Litigation
Williams, Weese, Pepple & Ferguson does absolutely remarkable work. They are experienced, professional, and extremely skilled litigators.
Natural Resources Law
Williams, Weese, Pepple & Ferguson has an experienced and very skilled group of natural resource law practitioners. They have expertise in federal land law issues, air quality, and general oil and gas.
Administrative / Regulatory Law
Williams, Weese, Pepple & Ferguson has an excellent administrative and regulatory law practice with a deep bench of expertise that provides for cost-effective counsel. Williams, Weese, Pepple & Ferguson is adept at providing practical and actionable guidance to its corporate clients. Williams, Weese, Pepple & Ferguson attorneys are approachable, professional, and truly care about the success of their clients. Williams, Weese, Pepple & Ferguson is one of the best firms I have ever worked with.
Administrative / Regulatory Law
Williams Weese has top notch expertise and always delivers in a timely and professional manner.
Geraldine Link
National Ski Areas AssociationNatural Resources Law
The lawyers at Williams, Weese, Pepple & Ferguson are top-notch professionals who provide great customer service and obtain the best possible results.
Litigation - Labor and Employment
I highly recommend Lewis, Bess, Williams & Weese for representation for legal matters including Real Estate, Construction and Employment.
Kevin Ott
Sr. Vice President – HITT ContractingReal Estate Law
Lewis, Bess, Williams & Weese is top flight -- I am totally satisfied!!!
Energy Law
Lewis, Bess, Williams & Weese has excellent and experienced energy lawyers who can provide full service support to energy companies.
Administrative / Regulatory Law
The Lewis, Bess, Williams & Weese lawyers provide excellent legal services on administrative law issues. They are top notch.
Tax Law
I think Lewis, Bess, Williams & Weese is cutting edge. I always want them to be looking for the next best way to lawfully pass wealth.
Tax Law
Taylor M Dix of Lewis, Bess, Williams & Weese is a true professional. He has treated our company with so much priority and care that we are blessed to have access to such an attorney and law firm. We recommend everyone to use Lewis, Bess. You will be truly pleased!
Joshua Macciello
Administrative / Regulatory Law
Lewis, Bess, Williams & Weese are trusted partners of the ski industry on regulatory and natural resources law. Their team's expertise, professionalism, and effectiveness make them an invaluable resource in an ever-changing and increasingly complex legal environment.
Geraldine Link
National Ski Areas AssociationTax Law
I worked with two of the attorneys in the estate and tax planning group at Williams, Weese, Pepple & Ferguson and have referred friends to them as well. The expertise is second to none and above what I've seen at other regional firms. Combined with the rates that are substantially less than big law and it's a great combination.
Tax Law
I have nothing but good things to say about my experience with Lewis Bess, with Williams, Weese, Pepple & Ferguson. The attorney I work with, his team and support staff, have been nothing but professional, and timely and have been cost-effective for the product delivered compared to other firms I've used. I have no hesitation recommending them with exemplary marks.
Taylor Kirkpatrick
Administrative / Regulatory Law
Zeke Williams at Williams, Weese, Pepple & Ferguson, is an excellent attorney, highly knowledgeable , skilled, experienced and well practiced in the fields of natural resources, environmental and administrative law, particularly with respect to NEPA reviews and compliance. Zeke is also a pleasure to work with and relates well to his direct client representative, our staff more broadly and those within the regulatory agencies with whom we work.
David Corbin
Aspen Skiing CompanyNatural Resources Law
Most of my work with Williams, Weese, Pepple & Ferguson has been with Zeke Williams. He is a very fine lawyer with excellent knowledge of his subject matter, very quick response times, great contacts in the government agencies with which we worked, great flexibility in working with clients and their staffs and a manner and demeanor that served to produce excellent results. I would recommend him to any person or business needing services related to natural resources issues with governmental agencies at every level of government.
William Baum
Intrawest Resort Holding Company, Inc.Administrative / Regulatory Law
I have the pleasure of working with several excellent attorneys from Williams, Weese, Pepple & Ferguson. Without exception, they all provide high quality legal services and consistently obtain great results for my company.
Litigation - Labor and Employment
Mr. Charles Weese is an outstanding counselor not intent on drawn-out litigation, and very successful in resolving difficult issues in a professional and cost-effective manner. He is also an excellent and effective trial attorney in the event settlement is not practical or possible.
Kevin Ott
Sr. Vice President – HITT ContractingRankings
National
Tier
2
National Ranking
Natural Resources LawRegional
Colorado
Tier
1
Colorado
Administrative / Regulatory LawTier
1
Colorado
Commercial LitigationTier
1
Colorado
Employment Law - IndividualsTier
1
Colorado
Employment Law - ManagementTier
1
Colorado
Energy Regulatory LawTier
1
Colorado
Environmental LawTier
1
Colorado
Litigation - Labor and EmploymentTier
1
Colorado
Natural Resources LawTier
2
Colorado
Litigation - ConstructionTier
2
Colorado
Mass Tort Litigation / Class Actions - DefendantsTier
2
Colorado
Real Estate LawTier
2
Colorado
Tax LawTier
2
Colorado
Trusts and EstatesPractice Areas
Williams, Weese, Pepple & Ferguson has been ranked by Best Law Firms for excellence in 13 specialties, reflecting the firm's commitment to delivering outstanding legal services.
Additionally, the firm provides services in these practice areas:
- Business Organizations (including LLCs and Partnerships)
- Commercial Litigation
- Corporate Law
- Employment Law - Individuals
- Employment Law - Management
- Energy Law
- Environmental Law
- Land Use and Zoning Law
- Litigation - Labor and Employment
- Mass Tort Litigation / Class Actions - Defendants
- Natural Resources Law
- Oil and Gas Law
- Privacy and Data Security Law
- Real Estate Law
- Tax Law
- Trusts and Estates
Individuals Recognized in The Best Lawyers in America®
Williams, Weese, Pepple & Ferguson proudly has 9 lawyers recognized for their outstanding professional performance in the 2025 edition of The Best Lawyers in America®. This peer-reviewed honor highlights individual excellence and directly qualifies the firm for consideration in the prestigious Best Law Firms rankings. For over four decades, Best Lawyers has been the gold standard for recognizing top legal talent, serving as the cornerstone for Best Law Firms awards. Learn more about our rigorous Best Lawyers research and selection process.
Client Comments
A strong relationship between a client and their law firm is key to achieving the best possible outcomes. Open communication, trust, and collaboration ensure that attorneys understand each client’s unique goals and needs. Choosing the right firm means finding a team with the experience, knowledge, and dedication to guide you through every stage of the legal process.
Client comments reflect personal opinions and individual experiences. Every case is different, and outcomes depend on specific facts and circumstances. Past results and testimonials do not guarantee similar outcomes in future matters. For personalized legal advice, consult directly with an experienced attorney who can evaluate your specific situation and provide tailored guidance.
Offices & Contacts
Denver, CO
1801 California Street, Suite 3400
Denver, CO 80202
United States