Super Lawyers AVVO AV

Houston DWI Attorney and Trial-Tested & Proven Criminal Defense Attorney for Harris County

Award-winning Thiessen Law Firm sets itself apart as an award winning criminal defense law firm and known for their trial-tested, proven Houston DWI Attorneys. Serving the Houston area and Harris County communities, we fight not only for positive results, we also care deeply about the overall well-being of our clients. We make ourselves available 24/7 – in fact, we provide you our personal contact information so you can ask us any question you like about your DWI or other criminal case, whenever you need us. As a distinguished “boutique” criminal defense law firm, we emphasize quality of service over quantity of clients. After all, it’s us who work for you.

At Thiessen Law Firm, we always fight our hardest. We tell the truth, and facts take precedence over promises. We hold honesty and virtue in highest regard and it is the foundation of ensuring your DWI or criminal case ends with a satisfying, positive outcome.

When you’re charged with a DWI in Harris County or other crime, your life is changed, no matter the verdict. At Thiessen Law Firm, we ensure you’re able to continue on with the life you want, and never feel forced into taking a deal that you don’t want, or accepting terms you don’t fully understand. Mark Thiessen is recognized as an ACS CHAL Lawyer-Scientist for his efforts to understand the science and technology behind DWI testing. This investment in his education and training provides clients with the knowledge needed to fight for their rights effectively and fairly.

Once we’ve taken you on as a client, we start right away doing everything we can to cover every aspect of your defense. No stone goes unturned. No lead goes ignored. No witness goes without interview. All angles undergo a thorough investigation. We want to know the science behind your DWI or other criminal case better than any expert, and we want to know exactly what influence the most recent laws and cases will have over your results. We fight with strength and heart. The testimonials of previous clients and our reputation among professionals speak for themselves. As the Houston District Attorney knows all too well, Mark Thiessen and the team at Thiessen Law Firm never back down in a DWI or criminal trial.

Free Consultation