A WORKSPACE THAT MEETS YOUR MISSION
EXPLORE OFFICE SPACE TO RENT
A COMMUNITY OF CHANGEMAKERS
COWORK WITH US
A GREEN GATHERING PLACE
HOST AN EVENT

CONNECTING PEOPLE. INSPIRING IMPACT.

The Alliance Center is the premier sustainable building with business space for rent in Denver. It’s home to nonprofits, startups, and companies who thrive in an office with shared spaces for connecting and creating impact.

The Alliance Center, headquarters for The Alliance for Collective Action, exists to bring people together to advance sustainable solutions so people and planet can thrive. Our LEED and WELL Certified historic building is home to dozens of organizations creating a more inclusive and regenerative future.

JOIN OUR SHARED OFFICE

Rent a single desk or a whole floor and benefit from shared spaces and a community designed to meet your needs

COWORK WITH US

Cowork with us.

Work alongside mission-driven leaders of 40+ nonprofits and companies and access all our amenities.

Computer and tablet icon.

HOST AN EVENT

Host a professional event with our flexible meeting and event spaces, skilled staff, and award-winning health and safety measures.

OUR TENANTS

Building a Regenerative Future, Together

The Alliance for Collective Action

The Alliance for Collective Action brings people together to develop and advance solutions for an inclusive, regenerative future. Founded in 2004 as The Alliance for Sustainable Colorado, we are a nonproft that unites the collective power of environmental and social movements through convenings, events, and collective impact initiatives.

The Alliance Center 

The Alliance Center is the headquarters of The Alliance for Collective Action and a hub for Colorado’s sustainability community. For more than 20 years, this mission-driven coworking and shared office space has supported local and national groups advancing equitable climate solutions. Built in 1908 and just steps from Union Station in LoDo, it was the first Colorado building to earn LEED Platinum v4 certification. Today, this all-electric, WELL Health-Safety Rated space leads in energy efficiency and people-focused design.

Together, we are The Alliance.

The Alliance community is made up of Alliance Center tenants, business leaders, community members, legislators, philanthropists, nonprofit leaders, and many other individuals who are curious and passionate about creating a regenerative future for all. You are welcome in our community!

You are welcome in our community!