In 2025, Salas O’Brien celebrated 50 years of doing work that matters. We strengthened the systems society depends on and helped clients navigate what’s next, showing up with care, curiosity, and technical excellence. Along the way, we invested in our people and gave back to the places where we live and work—because lasting impact starts with strong teams and strong communities.

Salas O’Brien’s leading expertise
Voices shaping what’s next
Voices shaping what’s next

Industry leadership

Team members shared their expertise at events and in publications driving real-world solutions.

 

Impact in action

By the numbers

Company

  • 4,850+ team members
  • 90% team members are employee-owners
  • 11 completed mergers
  • 92% team member retention
  • #31 ENR Top 500 Design Firm

 

Projects

  • 5,000+ clients served annually
  • 20,200+ projects completed annually
  • $30B annual construction value
  • 60 countries where we’ve worked to-date
50 years strong: building what’s next
50 years strong: building what’s next

Shaping the future

Looking ahead, we’ll continue to carry our founders’ vision forward into the next 50 years of innovation and impact.