Company History
In 2025, O’Connell Robertson was selected as a “Hot Firm” and a “Best Firm to Work For” by Zwieg Group, the national AEC research and performance firm. O’Connell Robertson was ranked #26 in the Best Firms to Work for in the 100-199 employees category. O’Connell Robertson had also been selected…
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During our Houston Office’s first 5 and highly successful years in business, they have accomplished many projects already, including with Texas Children’s Hospital and other healthcare facilities.
O’Connell Robertson has proudly worked with the Alamo Colleges District since 2004, and worked on many projects in that that time, continuing through present day.
O’Connell Robertson reaches 100 employees firm-wide, with the 100th employee starting in the San Antonio Office.
Shannon Health opens their brand new Oncology Center, designed by O’Connell Robertson.
O’Connell Robertson was selected to design a new high school for Medina Valley ISD. At over 400,000 square feet in size, this is the firm’s largest new school to date.
O’Connell Robertson celebrates starting their very first round of projects with the University of Houston, including renovations to Cougar Village, dining spaces, science labs, and more.
Vision 2025 is established providing a roadmap for future Firm growth and support of personal career development for all staff.
The Firm celebrates its 20th year of business in San Antonio, and opens its third office in Houston.
The Firm reaches a 20-year milestone with Shannon Health System in San Angelo, and completes design and construction of the hospital’s expansion.









