The Nellessen Law Office is a Premier Denver DUI and Criminal Defense Law Firm serving the Denver area for over 25 years.

Denver DUI Attorney / Denver Criminal Defense Attorney

The NELLESSEN LAW OFFICE is one of the premier Denver DUI Defense and Criminal Defense law firms in the state of Colorado and the Denver metropolitan area. We provides high quality criminal defense representation throughout the Colorado front range from Greeley and Fort Collins down to Casle Rock.

The NELLESSEN LAW OFFICE has been serving Colorado for over 25 years.  With the goal of providing the highest quality legal representation at an affordable cost, we are here to serve you.  At the NELLESSEN LAW OFFICE, we handle all misdemeanor and felony matters in the both the Colorado county and district courts.  We also handle municipal court matters in cities throughout the Rocky Mountain front range. We strive to ensure that through vigerous legal representation, your rights, liberties and freedoms are protected.

” For high quality legal representation at an affordable cost, you cannot beat the Nellessen Law Office!” – Mike M.


The NELLESSEN LAW OFFICE is lead by Denver DUI Attorney and Denver Criminal Defense Attorney Thomas J. Nellessen.  Known for his legal knowledge and courtroom skills in criminal matters, Mr. Nellessen is revered as one of the top Denver DUI and criminal defense attorney in Colorado.

Mr. Nellessen is an aggressive trial attorney with dominating trial presentation skills; yet, he knows the court systems throughout the Denver metropolitan area and he is able to work with the prosecutor’s office to obtain the best possible results for his clients.

Tom Nellessen, Attorney



If you are in need of a Denver DUI Attorney or a Denver Criminal Defense Attorney, call the Nellessen Law Office today.  We will answer any question that you might have, and assist you through the legal process.  For high quality legal representation at an affordable cost, contact us today.