William M. Barnwell

William M. Barnwell

also known as Bill Barnwell

5.0
Rating: 10.0

Licensed for 10 years

Criminal defense Lawyer at Warren, MI
Practice Areas: Criminal Defense, DUI & DWI, Sex Crime

28225 Mound Rd., Warren, MI

About William

Biography

Practice Areas

3

Practice Areas

Criminal Defense 55%

Federal, state, and local offenses. Drug offenses, alleged sex offenses, internet offenses, retail fraud, domestic violence, white-collar crime, conspiracy, embezzlement, assault, battery. Litigation, jury trials.

55%
DUI and DWI 25%

Handle all defenses related to drinking and driving offenses, including successful challenges to DataMaster evidence. Also experience in license restoration hearings as well as Implied Consent Hearings.

25%

Fees and Rates

Cost

Free Consultation

$0 first 30 minutes

Retainer

Always


Payment Methods

  • Cash
  • Check
  • Credit Card

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Licenses

Licensed in Florida for 4 years

State: Florida

Acquired: 2021

Member in Good Standing

No misconduct found

Licensed in Michigan for 10 years

State: Michigan

Acquired: 2015

Active in Good Standing

No misconduct found

Location

Barnwell Law, PLLC

28225 Mound Rd., Warren, MI, 48092

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William M. Barnwell's Reviews

Avvo Review Score

5.0 /5.0

433 Client Reviews

Showing 1 - 5 of 52 reviews | Character & Conduct

Posted by anonymous | December 11, 2025 | Hired Attorney | DUI & DWI

Bill is worth every penny

Bill was great to work with. He made everything easier through my OWI process and made sure I understood everything. I would recommend Bill as a lawyer as he did a great job representing me.

Posted by Hollie Stange | December 01, 2025 | Hired Attorney | Lawsuits & Disputes

Hands down the best lawyer!

I cannot recommend Mr. Barnwell enough. When I called him, I was going through what was arguably the most stressful and terrible day of my life. The emotional weight of the situation felt unbearable, and the legal complexities were completely overwhelming. From our very first consultation, Mr. Barnw...ell immediately provided a sense of calm and professional control. He is, without a doubt, a brilliant and formidable attorney. His knowledge of the law is amazing, and his strategic approach was clearly focused on achieving the best possible result for me. He walked me through every step of the process, ensuring I understood all my options without ever pressuring me.What truly sets him apart is his compassion. He consistently treated me not just as a case file, but as a person in genuine need of help. His empathy and unwavering support made a fundamentally terrible time manageable. I always felt heard, respected, and fully protected. Mr. Barnwell fought tirelessly on my behalf and achieved a resolution that exceeded my expectations, allowing me to finally move forward with my life. If you are looking for exceptional legal expertise paired with genuine human empathy and dedicated support, Mr. Barnwell is the attorney you need. He is a professional of the highest caliber and a true advocate for his clients. Call him and let him help.

Posted by SB | September 03, 2025 | Hired Attorney | Criminal Defense

God bless him

Mr. William Barnwell is truly exceptional and highly knowledgeable in the law. I was wrongfully accused of a criminal charge and urgently needed someone to represent me. After reading numerous positive reviews online, I chose to hire him—and I’m so grateful I did. From our very first meeting, he u...nderstood both me and the details of my case with clarity. He explained the legal process thoroughly and guided me every step of the way. At one point, I was so overwhelmed and stressed—especially as a heart patient—that I considered pleading guilty just to get it over with, even though I was innocent. Mr. Barnwell, however, remained calm and confident. He respectfully disagreed with my impulse to give up and instead pursued a strategic approach to prove my innocence. Thanks to his dedication and expertise, my case was dismissed and justice was served. To me, Mr. Barnwell is nothing short of a miracle. I don't have enough words to express my gratitude. Please—if you’re in need of a strong, honest, and capable attorney—trust him. He will fight for you. May God bless him and his family.

Posted by Terence and Lynne Hunter | May 19, 2025 | Hired Attorney

Outstanding Attorney, Highly recommend!

Atty Barnwell represented us with stellar professionalism and compassion. He guided us through every step of our legal journey with clarity and honesty. We cannot speak highly enough of our experience with him. He was incredibly professional, knowledgeable, and most importantly-accessible. He answere...d all of our questions and provided updates. His dedication to his client's is truly exceptional and his accessibility gave me a great deal of comfort throughout the entire process. We always felt informed and supported. We are beyond grateful for his commitment and expertise. Highly recommend!

Posted by Andre | May 08, 2025 | Hired Attorney

Exceptional Attorney

I had an outstanding experience working with Attorney Barnwell, despite the seemingly insurmountable circumstances of my case. When hiring Attorney Barnwell, you're not just another client to him. He truly takes the time to get to know you and all the circumstances of your situation. Besides being a ...very competent and knowledgeable attorney, he is very responsive, and truly committed to getting the best possible outcome for you despite the circumstances of your case. His clear communication and strategic guidance gave me confidence every step of the way. I’m incredibly grateful for his support and representation, and would highly recommend him without hesitation to anyone in need of exceptional legal representation.

See All Client Reviews

William M. Barnwell's Lawyer Endorsements

Endorse William
Randy Babi headshot
Randy Babi

Criminal defense lawyer | May 31

Relationship: Worked together on matter

"Previously I knew Bill Barnwell from around the court circuit, but was unaware of his actual court "prowess". That is, until I received a call from Bill asking if I would like to work on a huge case with him. I obliged and needless to say, it was hard work but we were able to get the felony charges dismissed and Bill really showed me that he belongs in the elite set of Michigan Attorneys. I would work with him again in a heartbeat."

Joshua Paul Rubin headshot
Joshua Rubin

Criminal defense lawyer | May 27

Relationship: Fellow lawyer in community

"As a fellow member of the bar practicing criminal defense, I have witnessed firsthand the strong advocacy and zealous representation that Mr. Barnwell provides to his clients. He has a passion and knowledge for the law that you simply cannot fake."

Bruce L Leach headshot
Bruce Leach

Criminal defense lawyer | Jan 01

Relationship: Fellow lawyer in community

"I endorse this lawyer. Bill is a great trial lawyer and experienced winner. He will fight for your rights!"

Mani Khavajian headshot
Mani Khavajian

Criminal defense lawyer | Apr 26

Relationship: Worked together on matter

"I endorse Attorney Barnwell, he is a knowledgeable, ethical and aggressive criminal lawyer. He is a fighter for the people and always fights for the best possible outcome for his clients. If you have a criminal matter, do not hesitate to call Mr. Barnwell."

Katherine Anne Krysak headshot
Katherine Krysak

Criminal defense lawyer | Apr 02

Relationship: Fellow lawyer in community

"Bill is an excellent attorney with deep knowledge of criminal law. He zealously advocates for each of his clients. Bill is active within his legal community and lends his time to numerous leadership roles. I endorse this attorney."

Rahul Aggarwal headshot
Rahul Aggarwal

Unknown lawyer | Dec 13

Relationship: Fellow lawyer in community

"Attorney provides excellent advice to the legal community."

Derek Jacques headshot
Derek Jacques

Criminal defense lawyer | Dec 12

Relationship: Fellow lawyer in community

"I endorse this lawyer. Mr. Barnwell is an excellent advocate for his clients."

Loren M. Dickstein headshot
Loren Dickstein

Criminal defense lawyer | Feb 24

Relationship: Fellow lawyer in community

"Bill is a strong advocate who is respected by judges and prosecutors for his legal acumen. His personal touch and respect for his clients is unique. You would be well served to have Bill Barnwell as your lawyer."

Gary Francis Kennedy II headshot
Gary Kennedy

Criminal defense lawyer | Feb 21

Relationship: Fellow lawyer in community

"Great attorney in the legal community. He is energetic and willing to fight for his clients. He is not afraid to file motions or try cases. He will not back down from a fight."

Samuel Bennett headshot
Samuel Bennett

Criminal defense lawyer | Nov 21

Relationship: Fellow lawyer in community

"William has insight into his client's needs, which makes him an excellent presence in the Courtroom. I endorse William."

John C. Elkhoury headshot
John Elkhoury

Criminal defense lawyer | Nov 15

Relationship: Fellow lawyer in community

"I endorse this lawyer. Mr. Barnwell is a passionate advocate on behalf of his clients who gets results. He has an impeccable reputation in the legal community."

Scott E. Rabaut headshot
Scott Rabaut

Criminal defense lawyer | May 30

Relationship: Fellow lawyer in community

"Bill is an outstanding attorney that treats his clients right and is always prepared. Bill is never hesitant to take on any case getting the best results for his clients."

Randall Chioini headshot
Randall Chioini

Criminal defense lawyer | May 24

Relationship: Fellow lawyer in community

"Bill is an excellent orator and in my mind holds one of the most important characteristics of a great attorney in that he has faith in the law and his skill set and understands that is very important that the legal system remain balanced, which includes every persons right to a credible defense. He is a hard worker and ethical. I endorse him and trust him to handle criminal and other matters."

Matthew Van Steenkiste headshot
Matthew Van Steenkiste

Criminal defense lawyer | Apr 28

Relationship: Opposing Counsel on matter

"Bill Barnwell is an extremely talented and well respected attorney and for obvious reasons. Bill always understands his case and knows how to fight. Very hardworking and diligent. He consistently achieves superior results. I endorse this lawyer."

Zoran Mitrovski headshot
Zoran Mitrovski

Criminal defense lawyer | Apr 26

Relationship: Fellow lawyer in community

"I endorse Mr. Barnwell. I required last-minute assistance for coverage in a felony matter and Mr. Barnwell came through without hesitation. He handled the matter very professionally, informed the client as to the circumstances, and kept me updated the entire time."

Andrew John Hubbs headshot
Andrew Hubbs

Criminal defense lawyer | Apr 08

Relationship: Fellow lawyer in community

"Bill always goes above and beyond for his clients. He is thorough, professional and prepared. It's a pleasure to endorse him, and I recommend him to anyone in need of zealous and effective representation."

Laura Polizzi headshot
Laura Polizzi

Criminal defense lawyer | Apr 07

Relationship: Fellow lawyer in community

"I endorse this lawyer. I refer all of my criminal cases to Bill. Bill provides exceptional service to his clients and is a superb advocate. Bill always goes to great lengths to make sure he achieves a favorable outcome for his clients. Bill is very well respected in the legal community and any client would be lucky to have him as their attorney."

Danny Horen headshot
Danny Horen

Criminal defense lawyer | Feb 08

Relationship: Fellow lawyer in community

"Bill makes it seem evident he loves what he does. Flexibility in meeting clients at times they need him most is just one of the reasons he is a truly dedicated defense attorney."

Mitchell Manwell headshot
Mitchell Manwell

Criminal defense lawyer | Feb 07

Relationship: Fellow lawyer in community

"Bill is the most passionate attorney I have ever met, he advocates for his clients. He is an excellent attorney and person. I endorse this lawyer."

Michael C. Scharf Jr. headshot
Michael Scharf

Criminal defense lawyer | Dec 18

Relationship: Fellow lawyer in community

"I have known Bill for several years as we attended law school together. His passion and hard work makes him stand out among the rest. He cares about his clients and works hard to get great results. I highly recommend him."

View All Endorsements
Jenna Cyra Finkelstein headshot
Jenna Finkelstein

Criminal defense lawyer

Matthew S. Abdo headshot
Matthew Abdo

Criminal defense lawyer

Tanya A. Grillo headshot
Tanya Grillo

Criminal defense lawyer

Angela Medley headshot
Angela Medley

Divorce and separation lawyer

Derrick E. George headshot
Derrick George

Criminal defense lawyer

Joshua Paul Rubin headshot
Joshua Rubin

Criminal defense lawyer

Thomas M. Bales headshot
Thomas Bales

Criminal defense lawyer

Haralambos D. Mihas headshot
Haralambos Mihas

Criminal defense lawyer

Joshua Blanchard headshot
Joshua Blanchard

Criminal defense lawyer

Neil S. Rockind headshot
Neil Rockind

Criminal defense lawyer

Sherman Abdo headshot
Sherman Abdo

Criminal defense lawyer

Randy Babi headshot
Randy Babi

Criminal defense lawyer

Joseph Alan Campbell II headshot
Joseph Campbell

Criminal defense lawyer

Bruce L Leach headshot
Bruce Leach

Criminal defense lawyer

Vincenzo Manzella headshot
Vincenzo Manzella

Criminal defense lawyer

Mani Khavajian headshot
Mani Khavajian

Immigration lawyer

Katherine Anne Krysak headshot
Katherine Krysak

Family lawyer

Cy M. Abdo headshot
Cy Abdo

Criminal defense lawyer

Loren M. Dickstein headshot
Loren Dickstein

Criminal defense lawyer

Gary Francis Kennedy II headshot
Gary Kennedy

Criminal defense lawyer

Experience

Rating:  10.0 (Superb)

Honors

2022

Michigan Super Lawyer, Super Lawyers

2021

Rising Star, Super Lawyers

2021

Top 10 Attorney, Attorney and Practice Magazine

2021

10 Best for Client Satisfaction, American Institute of Criminal Law Attorneys

2020

10 Best for Client Satisfaction, American Institute of Criminal Law Attorneys

2020

Rising Star, Super Lawyers

2019

Rising Star, Super Lawyers

2019

Top 40 Under 40, National Trial Lawyers

2019

Top 10 Under 40, National Academy of Criminal Defense Attorneys

2019

Top 40 Lawyers Under 40, American Society of Legal Advocates

2018

10 Best for Client Satisfaction, American Institute of Criminal Law Attorneys

2018

Rising Star, SuperLawyers

2018

Top 10 Under 40, National Academy of Criminal Defense Attorneys

2018

Top 40 Lawyers Under 40, American Society of Legal Advocates

2017

Peer Review Rated, Martindale-Hubbell

2017

Top 40 Under 40, National Trial Lawyers

2017

10 Best, American Institute of Criminal Law Attorneys

2015

Outstanding Community Recognition, City of Warren

2014

Outstanding Community Recognition, City of Warren

2013

Moot Court Finalist, Western Michigan University Thomas M. Cooley Law School

2013

Moot Court Finalist, Moot Court

2013

Trial Participant, National Mock Trial

2013

Outstanding Community Recognition, City of Warrren

2012

Trial Participant, National Mock Trial

Work Experience

2015 - Present

Attorney-at-Law, Barnwell Law, PLLC

2002 - Present

Director/Non-Profit, ROC

2006 - 2014

Professor, CMI

Associations

2018 - Present

Macomb County Bar Foundation

Trustee

2018 - Present

Criminal Defense Attorneys of Michigan

Member

2018 - Present

Macomb County Bar Association

Young Lawyer Section Director

2018 - Present

State Appellate Defenders Office

Member

2015 - Present

American Bar Association

Member

2015 - Present

State Bar of Michigan

Member

2015 - Present

Macomb County Indigent Defense

Member

2013 - Present

Macomb County Criminal Defense Section

Member

2012 - Present

Macomb County Bar Association

Member

Sample of Legal Cases

People v Dean

Dismissed

People v. Higgs

Trial Victory, Not Guilty

People v. Fran

Dismissed

People v. Edwards

Jury Trial Victory; Not Guilty

People v. Black

Not Guilty Jury Verdict

People v. Jones

Jury Trial Victory, not guilty

People v. Shank

Reduced to simple possession with possibility of 7411

People v. Enrya

Dismissed

People v. Christos

Reduced to 771, to come off client's record

Melistas v. Melistas

Consent divorce

People v. Chene

Both Cases Dimissed

State of Michigan v. Hopkins

Case dismissed with prejudice

People v. Odish

Well below guidelines sentence

People v. Clarke

Dismissed with prejudice

People v. Scott

Dismissed

People v. Smith

Reduced

People v. Butler

Dismissed

See More Legal Cases

Education

2015

Western Michigan University Cooley Law School

JD - Juris Doctor

2006

Bethel College

MA - Masters

2005

Bethel College

MA - Masters

2002

Bethel College

BA - Bachelor of Arts

Speaking Engagements

2019

So I Have My P Number, Now What?

Starting a Successful Legal Practice

2018

Macomb County Bar Foundation

Illegal Steroid Use Mock Trial

2017

Senior Estate Planning

Estate Planning

2017

3rd Annual Macomb Bar Foundation Mock Trial -- "Should the Electoral College Be Abolished?" Electoral College Mock Trial

2017

"Police Stops, Searches, and Protecting Your Rights"

Criminal Defense

2016

Senior Safety Strategies.

Criminal Safety

2016

Protecting our Children

Opiate Awareness

2016

Keeping Our Kids Safe

Drug Awareness

2014

Brown City Camp

Young Adult Issues

2007

Mancelona Family Camp

Teenagers and Families

Publications

2019

Bar Briefs (MCBA) I Have My P Number, Now What?

2018

Macomb County Bar Association Presumed Guilty

2015

Macomb County Bar Association Recent Criminal Procedure Changes Offer Litigation Opportunities

2014

Macomb County Bar Association "Expungement Reforms Await Action by House."

Languages

English

Activity

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