
Mark William Zimmerman, Bankruptcy Attorney in Chicago, Illinois
Over 33 years of legal practice · focused on Bankruptcy, Business, and Environmental · 5.0/5 rating from 2 verified client reviews
PartneratClausen Miller PC
Chicago, IL
Practicing bankruptcy in Chicago since 1993.
- 33+
- Years practicing
- 5.0 ★
- 2 client reviews
- 4
- Bar admissions
Are you Mark William Zimmerman?
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Quick answer
Mark William Zimmerman is a partner based in Chicago, IL. The practice focuses on Bankruptcy, Business, and Environmental. Mark has over 33 years of legal experience. Currently practicing at Clausen Miller PC. Rated 5.0 out of 5 from 2 client reviews.
- Based in
- Chicago, IL
- Experience
- over 33 years
- Known for
- Bankruptcy · Business · Environmental
- Handles Bankruptcy, Business, and Environmental matters from Chicago, IL.
- Over 33 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Mark William Zimmerman: Mark William Zimmerman is a partner based in Chicago, IL. The practice focuses on Bankruptcy, Business, and Environmental. Mark has over 33 years of legal experience. Currently practicing at Clausen Miller PC. Rated 5.0 out of 5 from 2 client reviews.
Areas of practice
Mark's practice areas in Chicago
Mark concentrates on bankruptcy, business, environmental, insurance, and litigation. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
Bankruptcy
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Business
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Environmental
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Insurance
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Litigation
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Bankruptcy cases in Chicago, Illinois
Mark takes bankruptcy matters in Chicago, Illinois. 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.
Business cases in Chicago, Illinois
Mark takes business matters in Chicago, Illinois. 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 Chicago, Illinois
Mark takes environmental matters in Chicago, Illinois. 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.
Insurance cases in Chicago, Illinois
Mark takes insurance matters in Chicago, Illinois. 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.
Litigation cases in Chicago, Illinois
Mark takes litigation matters in Chicago, Illinois. 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 William Zimmerman, bankruptcy attorney serving Chicago
Mark William Zimmerman is a partner based in Chicago, IL. The practice focuses on Bankruptcy, Business, and Environmental. Mark has over 33 years of legal experience. Currently practicing at Clausen Miller PC. Rated 5.0 out of 5 from 2 client reviews. Mark works from Chicago, Illinois and takes on bankruptcy matters across the region.
Mark William Zimmerman is a lawyer practicing bankruptcy, business/commercial litigation, environmental coverage and 2 other areas of law. Mark received a B.S. degree from Southern Illinois University in 1983, and has been licensed for 33 years. Mark practices at Clausen Miller PC in Chicago, IL.
Working with Mark on a bankruptcy matter
Mark William Zimmerman is a lawyer practicing bankruptcy, business/commercial litigation, environmental coverage and 2 other areas of law. Mark received a B.S. degree from Southern Illinois University in 1983, and has been licensed for 33 years. Mark practices at Clausen Miller PC in Chicago, IL.
Clients Mark works with
Mark reviews new inquiries case-by-case for bankruptcy, business, and environmental matters in Chicago and the surrounding Illinois area.
Credentials
Credentials — where Mark studied and practices
DePaul University College of Law
J.D. · 1993
Southern Illinois University
B.S. Criminal · 1983
Jurisdictions
Mark's state bar admissions
Indiana
2007 · ACTIVE
Illinois
1993 · ACTIVE
U.S. District Court,
1993 · ACTIVE
U.S. Court of Appeal
1993 · ACTIVE
Mark studied at J.D. in DePaul University College of Law and B.S. Criminal in Southern Illinois University.
Law school and academic background
Mark completed J.D. in DePaul University College of Law and B.S. Criminal in Southern Illinois University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in Illinois 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
Chicago, DuPage County and Illinois State Bar Associations
membership
Locations
Mark William Zimmerman's office in Chicago
Mark's primary office is at 10 S. La Salle St., Chicago, IL, 60603-1002. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Mark William Zimmerman — 5.0/5 rating from 2 verified client reviews
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 bankruptcy attorneys in Chicago.
5.0
2 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mark William Zimmerman claims this profile.
Read all reviewsHiring guide
How to hire Mark William Zimmerman — what to expect in your first consultation
Working with a new bankruptcy 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 bankruptcy attorney in Chicago, Illinois
A short list to run through before you commit: How many bankruptcy 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 bankruptcy practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every bankruptcy 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 bankruptcy practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mark William Zimmerman
How much does it cost to hire Mark for a bankruptcy 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 bankruptcy attorneys offer free consults — check Mark's current terms during booking.
How long do bankruptcy cases in Illinois typically take?
Simple bankruptcy 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 Chicago?
Mark is licensed in Illinois. Matters governed by Illinois 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 bankruptcy 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
Bankruptcy attorneys serving Chicago, Springfield and Northbrook in Illinois
Mark handles bankruptcy matters throughout Illinois. Each city below is a direct link into the search page for verified bankruptcy attorneys in that community.
More counsel
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If Mark's intake is full or the fit isn't right, these bankruptcy attorneys in Chicago handle similar matters. Every profile below is verified and open to consultations.





