MK

Matthew K. Tieslau, Environmental Attorney in Denver, Colorado

focused on Environmental and Litigation

Denver, CO

Trusted environmental attorney serving Denver.

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Quick answer

Matthew K. Tieslau is an attorney based in Denver, COLORADO. The practice focuses on Environmental and Litigation.

Based in
Denver, COLORADO
Experience
attorney
Known for
Environmental · Litigation
  • Handles Environmental and Litigation matters from Denver, COLORADO.
  • Recognized with Best Lawyers in America — Environmental Law (2026).

About Matthew K. Tieslau: Matthew K. Tieslau is an attorney based in Denver, COLORADO. The practice focuses on Environmental and Litigation.

Areas of practice

Matthew's practice areas in Denver

Matthew concentrates on environmental and litigation. Each area below outlines the kind of case Matthew handles, typical outcomes to expect, and how the intake process starts.

Environmental cases in Denver, Colorado

Matthew takes environmental matters in Denver, Colorado. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Matthew agrees to represent you.

Litigation cases in Denver, Colorado

Matthew takes litigation matters in Denver, Colorado. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Matthew agrees to represent you.

Biography

Matthew K. Tieslau, environmental attorney serving Denver

Matthew K. Tieslau is an attorney based in Denver, COLORADO. The practice focuses on Environmental and Litigation. Matthew works from Denver, Colorado and takes on environmental matters across the region.

Matthew K. Tieslau is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Litigation - Environmental and Natural Resources Law.

Matthew K., who practices law in Denver, Colorado, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew K. is held by other top lawyers in the same geographic and legal practice area.

Matthew's approach to environmental cases

Matthew K. Tieslau is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Litigation - Environmental and Natural Resources Law. Matthew K., who practices law in Denver, Colorado, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew K. is held by other top lawyers in the same…

Clients Matthew works with

Matthew reviews new inquiries case-by-case for environmental and litigation matters in Denver and the surrounding Colorado area.

Credentials

Credentials — where Matthew studied and practices

  • University of Colorado at Boulder

    J.D. · 2014

Matthew studied at J.D. in University of Colorado at Boulder.

Law school and academic background

Matthew completed J.D. in University of Colorado at Boulder. Formal legal training is one signal of substantive knowledge — the day-to-day practice Matthew runs in Colorado is where that training gets applied to real client questions.

Recognition

Matthew's legal honors and published work

Matthew has received 3 formal recognitions from bar associations, industry bodies, and peer-review services.

  • Best Lawyers in America — Environmental Law

    2026

  • Best Lawyers in America — Litigation - Environmental

    2026

  • Best Lawyers in America — Natural Resources Law

    2026

Legal awards and honors

Best Lawyers in America — Environmental Law (2026). Best Lawyers in America — Litigation - Environmental (2026). Best Lawyers in America — Natural Resources Law (2026).

Locations

Matthew K. Tieslau's office in Denver

Matthew's primary office is at 1144 Fifteenth Street, Suite 3300, Denver, Colorado, 80202. In-person meetings are by appointment; a phone intake usually comes first.

Main office

1144 Fifteenth Street, Suite 3300

Denver, Colorado 80202

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Client feedback

Client reviews of Matthew K. Tieslau

Matthew has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire Matthew K. Tieslau — what to expect in your first consultation

Working with a new environmental attorney should feel structured. Here's how the first two conversations with Matthew usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Matthew charges for the initial consult. That fee is credited toward representation if you retain Matthew's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Matthew will tell you what matters and what doesn't.

Questions to ask a environmental attorney in Denver, Colorado

A short list to run through before you commit: How many environmental matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for Matthew

Matthew discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in environmental practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every environmental matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Matthew confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Matthew's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many environmental practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Matthew K. Tieslau

  • How much does it cost to hire Matthew for a environmental case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Matthew walks through the likely range during the consult so there are no surprises.

  • Does Matthew offer a free consultation?

    Matthew charges for the initial consult; that fee is credited toward representation if you retain Matthew's office. Some environmental attorneys offer free consults — check Matthew's current terms during booking.

  • How long do environmental cases in Colorado typically take?

    Simple environmental matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Matthew gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Matthew take my case if I'm outside Denver?

    Matthew is licensed in Colorado. Matters governed by Colorado law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Matthew will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with Matthew?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Matthew will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Matthew accepting new environmental clients right now?

    Matthew's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Environmental attorneys serving Denver, Colorado Springs and Boulder in Colorado

Matthew handles environmental matters throughout Colorado. Each city below is a direct link into the search page for verified environmental attorneys in that community.

More counsel

If Matthew's intake is full or the fit isn't right, these environmental attorneys in Denver handle similar matters. Every profile below is verified and open to consultations.