1,600 people in 24 cities living 4 values for 1 goal:
To use design to help our clients succeed.

We create exceptional environments that meet our clients' most complex design challenges.

We inspire people through our work by expressing timeless cultural, organizational and personal values.

We connect people and place with ideas that come from many minds and imaginations.

We care about serving our clients, enriching lives, improving communities and protecting our natural environment through design.

We are a global architecture, design, engineering and planning firm.

60+ Years of Design + Innovation
Global Delivery Partners On

St. Louis

Margaret McDonald

Margaret McDonald

+1 314 754 4240

Design Principal
Eli Hoisington

Eli Hoisington

+1 314 754 4290

Technical Principal
Angelo Arzano

Angelo Arzano

+1 314 754 4068

For job inquiries, please visit Careers

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10 South Broadway
Suite 200
St. Louis, Missouri 63102 USA
+1 314 421 2000

LEED-CI Certified
  • Named a 2018 Top Workplace by the St. Louis Post-Dispatch.
  • As home office to HOK’s founders, the St. Louis office established the firm’s United States network in 1955.
  • Since 2005, the St. Louis Business Journal has ranked HOK as the #1 architectural firm in St. Louis seven times.
  • Named one of St. Louis’s coolest office spaces by the St. Louis Business Journal.
  • Ranked as one of the area’s top privately held companies by the St. Louis Business Journal.
  • Follow the St. Louis studio on Instagram.

Following a week-long fundraising campaign in Oct. 2018, HOK’s St. Louis office donated $38,950 to United Way of Greater St. Louis.