MN

Mark Nicholas Semenoff, Business Attorney in Denver, Colorado

Over 40 years of legal practice · focused on Business, Contracts, and Environmental · 5.0/5 rating from 1 verified client review

Member

Denver, CO

Practicing business in Denver since 1986.

40+
Years practicing
5.0 ★
1 client review
1
Bar admission

Are you Mark Nicholas Semenoff?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

Claim this profile — free

Quick answer

Mark Nicholas Semenoff is a member based in Denver, CO. The practice focuses on Business, Contracts, and Environmental. Mark has over 40 years of legal experience. Rated 5.0 out of 5 from 1 client review.

Based in
Denver, CO
Experience
over 40 years
Known for
Business · Contracts · Environmental
  • Handles Business, Contracts, and Environmental matters from Denver, CO.
  • Over 40 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Mark Nicholas Semenoff: Mark Nicholas Semenoff is a member based in Denver, CO. The practice focuses on Business, Contracts, and Environmental. Mark has over 40 years of legal experience. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Mark's practice areas in Denver

Mark concentrates on business, contracts, environmental, formation, and international. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.

Business cases in Denver, Colorado

Mark takes business 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 Mark agrees to represent you.

Contracts cases in Denver, Colorado

Mark takes contracts 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 Mark agrees to represent you.

Environmental cases in Denver, Colorado

Mark 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 Mark agrees to represent you.

Formation cases in Denver, Colorado

Mark takes formation 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 Mark agrees to represent you.

International cases in Denver, Colorado

Mark takes international 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 Mark agrees to represent you.

Biography

Mark Nicholas Semenoff, business attorney serving Denver

Mark Nicholas Semenoff is a member based in Denver, CO. The practice focuses on Business, Contracts, and Environmental. Mark has over 40 years of legal experience. Rated 5.0 out of 5 from 1 client review. Mark works from Denver, Colorado and takes on business matters across the region.

Mark Nicholas Semenoff is a lawyer practicing environmental law, natural resources law, international law and 4 other areas of law. Mark received a B.A. degree from University of California in 1980, and has been licensed for 40 years. Mark practices in Denver, CO.

Mark's approach to business cases

Mark Nicholas Semenoff is a lawyer practicing environmental law, natural resources law, international law and 4 other areas of law. Mark received a B.A. degree from University of California in 1980, and has been licensed for 40 years. Mark practices in Denver, CO.

The kind of cases Mark takes

Mark reviews new inquiries case-by-case for business, contracts, and environmental matters in Denver and the surrounding Colorado area.

Credentials

Credentials — where Mark studied and practices

  • Boalt Hall School of Law, University of California, Berkeley

    J.D. · 1996

  • University of California

    B.A. University · 1980

Jurisdictions

Mark's state bar admissions

  • Colorado U.S. Distri

    1986 · ACTIVE

Mark studied at J.D. in Boalt Hall School of Law, University of California, Berkeley and B.A. University in University of California.

Law school and academic background

Mark completed J.D. in Boalt Hall School of Law, University of California, Berkeley and B.A. University in University of California. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in Colorado is where that training gets applied to real client questions.

Recognition

Mark's legal honors and published work

Mark has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

Mark's professional memberships and bar associations

  • Denver Bar Association

    membership

Locations

Mark Nicholas Semenoff's office in Denver

Mark's primary office is at 40 Madison St Ste 206, Denver, CO, 80206-5445. In-person meetings are by appointment; a phone intake usually comes first.

Main office

40 Madison St Ste 206

Denver, CO 80206-5445

Open in Google Maps

Client feedback

Client reviews of Mark Nicholas Semenoff — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Mark. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Denver.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mark Nicholas Semenoff claims this profile.

Read all reviews

Hiring guide

How to hire Mark Nicholas Semenoff — what to expect in your first consultation

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

Consultation formats and pricing

Mark charges for the initial consult. That fee is credited toward representation if you retain Mark'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; Mark will tell you what matters and what doesn't.

Questions to ask a business attorney in Denver, Colorado

A short list to run through before you commit: How many business 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 Mark

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

Hourly rates, contingency fees, and flat-fee options

Every business 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. Mark confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

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

Frequently asked

Frequently asked questions about Mark Nicholas Semenoff

  • How much does it cost to hire Mark for a business case?

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

  • Does Mark offer a free consultation?

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

  • How long do business cases in Colorado typically take?

    Simple business 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. Mark gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

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

    Mark 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 — Mark 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 Mark?

    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. Mark will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Mark accepting new business clients right now?

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

Areas served

Business attorneys serving Denver, Colorado Springs and Boulder in Colorado

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

More counsel

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