Since 1980, we have advocated for businesses and nonprofits in every leading sector in Colorado. 

Our Mission: move mountains.

Headquartered in Denver, Colorado, CLS specializes in a diverse array of matters, from advocacy and lobbying to crafting long term political strategy. From multi-national corporations to nonprofit associations and small business owners - we work diligently to not only protect your interests at the state capitol, but we’ll also help you thrive in the ever-changing political world.


CLS is a favorite firm of mine because there is innovation, hard work and great concern for a healthy and prosperous Colorado... and the staff runs marathons and climbs 14ers!”
— Lucia Guzman, Former Senate President

what we do:

  • State lobbying and bill monitoring
  • Event planning and fundraising
  • State agency monitoring and regulatory development
  • Small Donor Committee and Political Action Committee management
  • Public policy and strategy