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Frederik F. Stig-Nielsen

Criminal defense Attorney at Frankfort, MI

5.0   13 reviews
  • Licensed for 8 years
    State MI
    Acquired 2015
    Active in Good Standing No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Frederik

Learn Frederik’s areas of practice.

Our firm, Mas/Stig-Nielsen was founded because there is a need for high-quality, smart criminal defense in northern Michigan. We are committed to serving the needs of people accused of crimes by the government. Our firm is guided by the words of author and activist Bryan Stevenson, each of us is more than the worst thing we’ve ever done. Regardless of what you stand accused of doing, we will help you.

Defense attorneys often sell themselves as being aggressive advocates in the courtroom, however, in our experience, that is not enough. Mas/Stig-Nielsen vehemently fights for our clients but more importantly we are prepared, intelligent attorneys who use the law to defend our clients. As former U.S. President Theodore Roosevelt famously said, speak softly and carry a big stick.

We are a husband and wife attorney team. We met in law school in Oregon and moved to Michigan in 2013. For the past six years we have litigated complex criminal cases in Northern Michigan including:

• open murder
• criminal sexual conduct, 1st, 2nd, 3rd, 4th degree
• delivery and manufacture of a controlled substance
• child abuse
• possession of child sexually abusive material
• larceny
• home invasion
• assault with intent to do great bodily harm
• resisting/obstructing
• delivery causing death
• criminal enterprise
• operating while intoxicated/impaired/presence of a controlled substance
• breaking and entering
• carrying a concealed weapon
• possession of controlled substance
• fleeing and eluding
• felon in possession of a firearm
• felonious assault
• armed robbery
• keeping a drug house
• domestic violence
• receiving/concealing stolen property
• malicious destruction of property
• discharging a firearm from a motor vehicle


Photos and videos

Contact Frederik

Mas/Stig-Nielsen, PLLC
427 Main Street
P.O. Box 508
Frankfort, MI, 49635


5.0 / 5.0
  13 customer reviews
5 Star
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Posted by Michael | November 8, 2023
This review is from a person who hired this attorney.
| Hired Attorney
100% would hire Fred again
I am 100% satisfied with the legal services that Fred provided. Fred was always realistic and straight to the point when discussing worst and best case scenario. He was great at communicating and always kept me in the loop with my case. If you find yourself needing an Attorney he is worth discussing your situation.
Posted by anonymous | July 20, 2022
This review is from a person who hired this attorney.
| Hired Attorney
Best lawyers in N MI
Betsy & her husband Fredrick are the absolute BEST lawyers you will find in Northern Michigan. They go above &beyond to get you the BEST outcome possible. Betsy goes above & beyond and truly cares about you. You are not just another case to her. I recommend her and Fredrick 1000%. If they were not available and i needed someone, i would go downstate then because no one in NM can compete with the quality of Betsy & Fredrick!!!!
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Posted by anonymous | May 20, 2021
This review is from a person who hired this attorney.
| Hired Attorney
Made me feel comfortable and confident!
Fred was fantastic to work with! He made me feel comfortable and confident working through my case. He always got back to me right away and answered all questions I had about the process and what was going on. I highly recommend Fred and his practice for any legal service you need!
Posted by anonymous | November 19, 2020
This review is from a person who hired this attorney.
| Hired Attorney
Great Service!
Frederik helped me at the last minute when I was in a tough spot. He did the research, contacted the right people, and used his profound negotiating skills to get my case dismissed. I highly recommend you contact Frederik the next time you find yourself in trouble!
Posted by anonymous | November 11, 2020
This review is from a person who hired this attorney.
| Hired Attorney
Reliable, Knowledge, Client Focused and Results Driven
Fred was very helpful in my legal needs. He investigated and kept me informed of all my legal options and kept on top of my deadlines. He followed through on all possible outcomes and advised me through until the very end. He was there for my court date and did most of the talking with the judge on my court date. He even followed up after my legal issue was resolved. I would likely recommend Fred!
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Posted by David | October 28, 2020
This review is from a potential client who consulted with this attorney.
| Consulted Attorney
Excellent Criminal Defense Attorney
Fred is an excellent criminal defense attorney. He works hard for his clients, provide expert legal advise and is the aggressive criminal defense attorney you need to get your charges dropped.
Posted by Jake | October 25, 2020
This review is from a person who hired this attorney.
| Hired Attorney
Orlando Bloom? No, even better, it's Frederik F. Stig Nielsen, an awesome litigator with award-deserving performances.
I know what you are thinking. Why would I hire Orlando Bloom as my attorney in this very serious, possibly even life-shifting, case? I get it; I too was skeptical. I mean the guy is a movie-star celebrity with prodigious appearances in not one but three epic movie series'. Good thing is, Frederik isn't Orlando (however, I just wanted to make it clear that I have not given up hope and I am betting that, within the decade and given Frederik's phenomenal litigation skills, Orlando just might be playing Frederik in a new upcoming lawyer-based documentary). All jokes aside, Frederik is a phenomenal lawyer who, with a stache mightier than Tom Selleck's "The Daddy", fought to reduce my pending DUI misdemeanor into two lowly, civil infractions. He tore apart the prosecution, uncovering serious issues related to the trustworthiness of the certification of Michigan datamasters. Furthermore, even when Michigan police and head toxicologist, Mark Fondren, refused that there could be any source of error in calibration tests coinciding with the fraudulent conviction of the only man eligible of certifying its accuracy, Frederik was able to point out areas of concern (areas that had been 'overlooked' or 'mistakenly interpreted' by the Michigan State Police, Mark Fondren, and his group of 'respectable, honest, and educated' scientists.) And, as Frederik's counter interrogation of Fondren proceeded, there was an increasing flow of unsettling details related to the maintenance and certification of Michigan datamasters. Eventually, the prosecution offered a plea deal and we accepted. So, I think it goes without saying that Frederik is not just adequate... he is a smart, confident man with eloquent verbose who will exhaust all possible avenues to get their clients the best outcome possible. I would strongly recommend hiring him and his partners, Betsy and Jesse.
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Posted by Maurice | October 23, 2020
This review is from a person who hired this attorney.
| Hired Attorney
Great attorney!
I Was extremely pleased with his service, his attention to detail and very personable. would highly recommend Frederick!
Posted by anonymous | October 23, 2020
This review is from a person who hired this attorney.
| Hired Attorney
Hands down one of the top Lawyers in the State of Michigan!
Fred will go to the mat and not tap out until he has achieved the best possible outcome. His knowledge of the law is second to none, and he will exhaustively research every possible legal precedent available in defense of your case. Beyond his impressive technical acumen, Fred truly cares about his clients. I would highly recommend Fred, whether it be for a misdemeanor or a felony, as you will get the same dedication no matter the charge.
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Posted by Mike waid | October 23, 2020
This review is from a person who hired this attorney.
| Hired Attorney
amazing jobb
Frederick did a amazing job for me . He went above and beyond to make sure I was getting the best outcome possible he cares about his clients he treats you with respect and is not scared to fight back ! I would definitely use him agin if I needed to wouldn’t hire anyone else !
Posted by Stephanie | December 11, 2016
This review is from a person who hired this attorney.
| Hired Attorney
Frederik Stig-Nielsen has got your back!
This guy is one heck of a great attorney and is worth every penny you would spend on him and then some. He partnered with Jesse Williams and together these guys seriously saved my life. I was in a really tight spot with a very unusual case. I was very much over charged because of a prosecutor who had a political vengence to hang me for being a teacher with a medical marijuana card. I was charged with a total of 5 felonies that added up to a max of 37 years in prison, and my biggest charge was criminal enterprising which is the 2nd highest statute in the state of MI and is a 22 year felony. After a hard battle that went on for two years I was finally offered a reasonable plea that included no jail time.....I will have a clean record in 5 years and got 6 months probation and $611 in fines. Plus, in a few years I will be able to get back to teaching again. Frederik was excellent with coming up with arguements to be made on the spot in the court room and he did a great job putting together motions that were very detailed. He also put together an awesome sentencing adendum that convinced the judge to allow me to retain my right to use cannabis medicinally during my probation period. I will forever be in debt to Frederik and Jesse for all of their dedication to my case. They really got me my best possible outcome and I would recommend them both to anyone in trouble. Not only is Frederik a great attorney but he is a wonderful guy who honestly cares about his clients and wants what is best for them. He is also very personable and easy to talk to which I think is something that makes him a very unique attorney.
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Posted by Nicholas | February 24, 2016
This review is from a person who hired this attorney.
| Hired Attorney
Will Fight For You
Mr. Stig-Nielsen represented me in a CPS case in which I was wrongfully charged. He asserted my civil rights and stopped the DHS workers from harassing and threatening me. We eventually went on to win my case. He was very attentive and helped me through an extremely stressful ordeal. He is the only attorney I've ever met who has integrity. He was always truthful with me, even if it was something I might not want to hear, which I appreciate. He fought tirelessly for my rights, even from his hospital bed when he was ill. If you're looking for an attorney you can trust Mr. Stig-Nielsen is it. He is professional and extremely knowledgeable. He sincerely cared about my situation. I can not recommend him enough.
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Posted by anonymous | February 16, 2016
This review is from a person who hired this attorney.
| Hired Attorney
Vehement Defense
Last february i was charged for d.u.i.(bummer). A few hundred bucks and a slap on the wrist might be the answer for some....Not this reviewer. After consulting with a Mr. Frederik Stig-nielsen I had found my answer: never settle. Extremely helpful, professional staff, top notch service, class act all around. I 100% recommend their services and urge you to do the same. Trust me, it is worth it to exercise your rights to a vehement defense!
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AVVO RATING 6.5 (Good)

Work Experience

  • Attorney/Owner
  • Mas/Stig-Nielsen, PLLC
  • 2020 - Present
  • Staff Attorney
  • Jesse L. Williams Law & Advocacy Center
  • 2017 - 2020
  • Owner
  • Frederik F. Stig-Nielsen, PLLC
  • 2015 - 2020
  • Legal Intern
  • Lewis & Clark Legal Clinic
  • 2013 - 2013
  • Legal Intern
  • Byrd Legal Services
  • 2012 - 2012
View all work experience


  • Lewis & Clark Law School
  • JD - Juris Doctor - Cum Laude
  • 2013
  • University of Montana-Missoula
  • BA - Bachelor of Arts
  • 2009


  • Criminal Defense Attorneys of Michigan
  • Member
  • 2021 - Present

Languages Spoken

  • Danish
  • English
  • German

Attorney endorsements

Received (1)
Given (2)
Endorse Frederik
Criminal defense Attorney | Jul 01
Relationship: Fellow lawyer in community
"I endorse this lawyer. I have had the opportunity to observe Frederik in the courtroom as well as consult with him on a number of cases in the past. His courtroom style makes him unforgettable, and his demeanor is genuine. Couple that with his intelligence and experience, and he is untouchable in the courtroom. His passion for criminal defense is undeniable. Frederik is setting himself apart from the rest in Northern Michigan by fighting every single case that walks through the door. He is building a reputation of greatness. He is undoubtedly one of the better criminal defense attorneys I have ever seen."
Criminal defense
Criminal defense
Frankfort Criminal defense Lawyer Frederik F. Stig-Nielsen
Frederik F. Stig-Nielsen
Criminal defense Attorney
Frankfort, MI
Licensed for 8 years