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Zachary L. Lass

Denver, CO

Trusted criminal defense attorney serving Denver.

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Quick answer

Zachary L. Lass is an attorney based in Denver, COLORADO. The practice focuses on Criminal Defense, Environmental, and White Collar.

Based in
Denver, COLORADO
Experience
attorney
Known for
Criminal Defense · Environmental · White Collar
  • Handles Criminal Defense, Environmental, and White Collar matters from Denver, COLORADO.
  • Recognized with Best Lawyers in America — Criminal Defense: White-Collar (2026).

About Zachary L. Lass: Zachary L. Lass is an attorney based in Denver, COLORADO. The practice focuses on Criminal Defense, Environmental, and White Collar.

Areas of practice

Practice focus

Zachary L. Lass represents clients in Denver, Colorado across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Zachary L. Lass

Zach Lass represents clients on a broad range of complex civil, criminal, administrative and regulatory matters. He specializes in crisis management, helping clients navigate inquiries from Congress, the Department of Justice, other federal and international agencies and regulators, and state attorney general offices. He provides strategic counsel to clients involved in government investigations, internal investigations, litigation, as well as regulatory compliance matters. Mr. Lass has represented clients across a variety of industries, including pharmaceutical and healthcare companies, energy and natural resources companies, environmental organizations, and technology and media companies.

Credentials

Education

  • University of Denver

    J.D. · 2019

  • University of Colorado at Boulder

    BA · 2013

Jurisdictions

Bar admissions

  • Colorado, Colorado B

    ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Criminal Defense: White-Collar

    2026

  • Best Lawyers in America — Environmental Law

    2026

  • Best Lawyers in America — Natural Resources Law

    2026

Locations

Office locations

Main office

Denver, Colorado 80202

Open in Google Maps

Client feedback

Client reviews

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Frequently asked

Common questions

  • What areas of law does Zachary L. Lass practice?

    Zachary L. Lass focuses on Criminal Defense, Environmental, and White Collar.

  • Where is Zachary L. Lass located?

    Zachary L. Lass primarily serves clients in Denver, Colorado.

  • Is Zachary L. Lass a verified attorney?

    Zachary L. Lass's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Zachary L. Lass?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 720-274-3135.