Bridge West LLC

Bridge West LLC is one of the first accounting and advisory firms in the world to focus solely on the cannabis industry. Since 2009, our practice has expanded to over 400 cannabis and hemp clients nationwide. Bridge West works with all types of organizations that provide legal recreational cannabis, medical marijuana, low-THC and high-CBD products, hemp farming, and ancillary services. Our applications services group provides strategic direction to help with the entire cannabis license application process.


280E Mitigation

IRS and State Audit Assistance

Cannabis and Hemp Advisory Services

Cannabis License Application Advisory Services

Business Valuation

Audit and Assurance


Outsourced accounting Services

Investment Advisory

Technology Services


Jim Marty

Jim Marty is the Chief Executive Officer of Bridge West LLC. Jim is a pioneer and a leader in the cannabis industry and is a nationally recognized and renowned expert on marijuana tax, accounting, and banking issues. Jim has been featured on Fox Business News, CNBC, and numerous other nation-wide media outlets. In 2012, Jim founded Bridge West LLC, the first accounting firm in the world to focus solely on the cannabis industry. Since 2009, Jim's practice has grown to more than 400 cannabis clients, and he has consulted in more than a dozen of medical marijuana IRS audits. He continues to be a spokesman and endorser of the cannabis industry through his highly attended marijuana education business presentations.

Cory Parnell

Cory Parnell, the COO of Bridge West, advises cannabis clients through challenging business and regulatory environments. Cory’s technical and advisory services to cannabis clients range from minimizing the effects of IRS 280E, inventory management, inventory costing, cash management, and preparing financial statements. Cory assists cannabis businesses address the industry’s most unique and ever-evolving issues, helps cannabis clients make the right decisions, and implement best practice strategies.

Calvin Shannon

Calvin has over 19 years of experience providing tax, business valuation, audit, estate planning, and business transition consulting. Calvin is skilled at understanding client’s challenges and working with them to develop and implement innovative and unique solutions. A certified valuation analyst, Calvin enjoys assisting organizations to address the industry’s unique and ever-evolving issues. He enjoys having the opportunity to work with cannabis clients to understand their business needs, and to provide timely solutions.