Longmont 303-776-9900
Louisville 720-726-3670



    through our unrelenting commitment to be the best at what we do



    communication, action with integrity, and constant dedication to each other and our clients



    dedication to serving our clients, co-workers and the community at large



    honoring diversity, embracing unique talents and treating all with dignity

For over 45 years, Northern Colorado law firm, Lyons Gaddis, has served businesses, local governments, families and individuals like you in the Greater Denver area and throughout Colorado. Our firm was founded in 1972 by a group of lawyers who were also business and community leaders, with a mission to provide excellent legal services to the growing area of Northern Colorado. Lyons Gaddis has grown in both size and depth of experience over the past four decades.  We now serve as trusted counsel to great organizations, companies and individuals over a wide range of industries and stages of growth - from large local governments to publicly-traded companies to individuals like you. Our attorneys understand the financial and business pressures that you face, and focus on creating strategies and solutions to resolve your case or transaction quickly and efficiently.

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Lyons Gaddis – Business as UnUsual

<COVID-19 CLIENT RESOURCE CENTER: See the collection of Alerts HERE> 

Lyons Gaddis will continue to provide uninterrupted legal service and support to our clients.  Effective March 26, the Firm offices will remain in operation but will be open to the public by appointment only.  Pursuant to Governor Polis' Executive Order D2020-017 (as amended) exempting certain critical services from the stay-at-home Order, including professional services such as legal, title companies, or accounting services, real estate appraisals and transactions, we will maintain a limited workforce in our office to provide continuity of operations.  During this challenging time, we remain committed to continuing to provide the same exceptional service to our clients.  Email your attorney or contact our firm 303-776-9900 to reach us.

If you have any questions about our COVID-19 preparedness, please contact your attorney or our Firm Administrator, This email address is being protected from spambots. You need JavaScript enabled to view it..  We are thinking about you during this challenging time and we wish you good health and wellbeing. 


Catherine Tallerico & Cameron Grant
Managing Shareholders


07 April 2020
Lyons Gaddis Covid-19 AlertThis Alert is one in a collection of articles created by Lyons ...
06 April 2020
Lyons Gaddis COVID-19 AlertThis Alert is one in a collection of articles created by Lyons ...

Firm News

20 March 2020
Clients and Friends:About 2 weeks ago, Lyons Gaddis began serious planning for the COVID-1...
28 February 2020
The Long Peak Council has chosen Lyons Gaddis's Richard "Dick" Lyons as its Distinguished ...

Serving The Entire State Of Colorado
Map and Directions

Longmont Office

515 Kimbark Street, Second Floor
Longmont, CO 80501
Phone: 303-776-9900 
Maps & Directions

Louisville Office

363 Centennial Parkway, Suite 110
Louisville, CO 80027
Phone: 720-726-3670 
Maps & Directions

Satellite Office

748 Whalers Way, Suite # 240A
Fort Collins, CO 80525
Maps & Directions