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About HDA Architects


“It starts with a vision”
is more than a motto, at HDA Architects it’s the philosophy we live by. In 1986, Jack Holleran, President, envisioned a professional service firm providing creative and timeless design with exceptional customer service. Our staff provides architecture, interiors, and master planning services across these diverse sectors: Beverage, Multi-family & Hospitality, Retail & Commercial, Office, Interiors, and Distribution & Warehousing.

Over the last 30-plus years, we have designed over 100 million square feet nationwide, totaling more than $3 billion in construction costs and completed over 250 projects in more than 40 states.

Achievements


Over 30 years in business
Over $100 Million square feet designed across the country
Over 3 Billion in construction dollars
Registered in over 40 states
Designed the first LEED Certified office building in St. Louis
Designed the first Silver LEED Certified Lexus Dealership in the country
Designed over 100 office buildings
Designed over 16 auto dealerships
Designed over 150 beverage distribution facilities
Designed over 250 industrial projects

CORE VALUES

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Quality
Professionalism
Creativity
Can-Do-Attitude
Integrity