Horizon Therapeutics

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LJC’s design team strategically and rapidly worked with Horizon Therapeutics to ensure its new U.S. headquarters would be the perfect reflection of its brand, incorporating the top amenities for its employees, and allowing flexible space for future growth.

Following a recent rebranding, Horizon’s new workplace expresses its new brand, celebrates patient care, and provides its employees with the best and most advanced environment for success. The 3-building campus is full of engaging amenities to attract and retain talent and position it as one of the best places to work. The workplace program LJC designed accommodates Horizon’s 500+ employees with brand new state-of-the-art technology and furnishings. Campus amenities include a Starbucks coffee shop, full-service cafeteria, work café, tech pub, snack pantries on each floor, a multipurpose training center, fitness center, game lounge, and an outdoor landscaped terrace.

LJC delivered this 450,000 SF renovation within approximately ten months and during the pandemic. The team capitalized on real-time BIM modeling, multiple 3D flythroughs, and construction documentation to achieve the expedited schedule. Generating digital flythrough models allowed Horizon to visualize every square inch of LJC’s design and provided a complete contextual understanding of the team’s design thinking. 

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LJC played off of its experience working with Horizon on its former Lake Forest U.S. headquarters and Dublin, Ireland global headquarters. Our existing client relationship, combined with our ability to listen to and adapt to program changes, was crucial in keeping the project on track to meet its record-breaking schedule.

Landscape Architecture


Horizon Therapeutics


Deerfield, IL


650,000 SF


  • Architecture
  • Interior Design
  • Landscape Architecture


2021 – Interior Design Magazine – Best of Year Finalist (Large Corporate Office)