Marijuana Business Attorney, Criminal Defense Attorney, Civil Litigation Attorney, Denver, Breckenridge Colorado

McAllister Law Office P.C.

McAllister Law Office PC Denver Colorado

Marijuana Business Attorney

Sean McAllister is a leading marijuana industry attorney in Colorado. Mr. McAllister helped draft Amendment 64 and he has represented hundreds of dispensaries and marijuana companies since 2009. The McAllister Law Office represents some of the leading marijuana companies in Colorado and is a full service business law firm for the marijuana industry.

It is essential in this highly regulated industry that companies have strong articles of incorporation, operating agreements, promissory notes with investors, management agreements with key employees, and contracts with vendors. Moreover, McAllister Law Office is pioneering strategies to take marijuana companies national, working on creating public companies to expand into the more than 20 states that currently allow medical or recreational marijuana. Finally, the Firm specializes in defending dispensaries in state enforcement actions based on alleged rules violations, with numerous successful outcomes to its credit


Criminal Defense Attorney

You have been charged with a crime in Colorado and your future hangs in the balance. You need knowledge, strength, experience, and confidence on your side. Clients of Denver Attorney Sean McAllister trust him and his law firm to protect their rights in both felonies and misdemeanors in both state and federal court.

Mr. McAllister has over 14 years of experience as a criminal lawyer with extensive trial and pre-trial litigation to his credit. His trial victories include wins in vehicular homicide, marijuana cultivation, felony drug possession, felony assault, DUI, domestic violence, and business civil litigation cases. While the McAllister Law Office is best known for its work on high profile drug cases, it also represents regular people on simple misdemeanor, DUI, domestic violence, and theft cases. Sean McAllister is one of the state’s leading experts on drugged driving, including driving under the influence of marijuana or prescription drugs and one of Sean’s cases led to the firing of the state toxicology and the shutdown of the state testing lab.

Civil Litigation Attorney

McAllister Law Office also specializes in civil litigation, with a particular focus on marijuana related civil suits. Civil litigation is a complicated process and you need experienced counsel on your side. McAllister Law Office has major trial victories in civil cases, including cases involving breach of contract, civil theft, and other civil claims. In addition, McAllister Law Office prides itself on seeking reasonable and fair settlements to avoid the expense and time of a full trial. The Firm has settled numerous cases with outcomes satisfactory to clients.


Mr. McAllister’s practice is expanding to serve his clients throughout the state of Colorado.

mcallister law office in the news Denver Collorado

Sean T. McAllister is one of Colorado’s leading drug policy reform lawyers. His practice focuses on criminal matters, medical marijuana issues, criminal defense, and DUI.

Learn more about Mr McAllister here:
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