TDG Architecture, Inc.

TDG Architecture, Inc. is an Architect in Colorado Springs, CO. The firm provides design services ranging from initial conception to construction administration, preparing thoughtful proposals that align with client budgets, time frames, and goals to build projects from the ground up. In May 2025, the business officially joined forces with Compass Architecture in Colorado Springs, CO, creating a versatile team capable of handling diverse project types. The company holds a rating of 4.70 based on customer reviews.

Principal architect Mark Tremmel, the firm’s founder, brings over thirty years of experience providing design excellence in client-driven, sustainable places and spaces. He holds dual degrees in Architecture and Environmental Design and is a LEED AP BD+C. Tremmel focuses on saving energy on every project and designing in response to Colorado’s sunlight and mountain environment. Architect Sharon Allen contributes over twenty-five years of experience in architectural design, with extensive knowledge in commercial design, building systems, and construction administration. She is licensed in Colorado and California as a LEED AP Professional. Architect Elizabeth LaDuke is also a member of the professional team.

The business is located at 101 N Cascade Ave Suite 400.

The firm is known for its positive rating from the customers who have reviewed it, reflecting a reputation for professional excellence and client-driven design.

TDG Architecture, Inc. brings its focus on sustainable design and experienced team to the architectural landscape of Colorado Springs, CO.

The office sits on N Cascade Ave in Colorado Springs, just steps from the intersection with West Kiowa Street. It is located near the Penrose Library and The UPS Store, both about a tenth of a mile away.

BizScoreAI awarded the business a Technical score of 92 out of 100, which ensures the website is secure and indexable for search engines. The firm also received a Discoverability score of 75 out of 100, confirming that AI crawlers can access every page to support recommendations.