Jeffco’s Largest Architecture Firms Ranked in 2024 List

The latest listing of Architecture Firms in Jefferson County features 13 firms, offering a snapshot of the region’s employment landscape in the architectural sector. The compilation ranks companies by the number of employees eligible for retirement plans or most recent employee estimate.

Among the top three ranked firms, Littleton’s Charles Steckly Architecture leads with 27 employees eligible for retirement plans, followed by Anderson Hallas Architects PC at number two with 21 eligible employees. G Squared Design LLC secures the third spot, having 19 employees.

In the middle of the rankings, Studio 646 Architecture LLC, new to the list, boasts 16 employees, securing the fourth position. TKP Architects PC follows closely in fifth place with 14. Outdoor Design Group Inc. features in the sixth spot with nine employees eligible for retirement plans.

One company ranked last year — BAW Architecture — was excluded because it is now based in Denver.

Employee estimates for the list were sourced from the U.S. Department of Labor’s Form 5500 and LinkedIn.