Established in 1915, Leo A Daly is an internationally renowned architecture, planning, engineering, interior design and program management firm. Our portfolio includes award-winning projects in 77 countries, all 50 states, and the District of Columbia. The firm currently employs more than 1,000 architects, planners, engineers and interior designers in 30 offices worldwide. It consistently ranks in the top largest architecture/engineering and interior design firms in the US, and is listed in BD World Architecture’s top 25 global practices.

Encouraged by a legacy of innovative leadership and the resources of a large firm, our inspired professionals work creatively in flexible teams, customized specifically for each project. We draw on our rich history, dedication to design excellence and an unyielding focus on quality to create exceptional spaces that enhance and enrich the human experience.

The Leo A Daly Company includes Lockwood, Andrews & Newnam, Inc. (LAN), which has extensive experience in engineering, infrastructure consulting and program management, and provides these services in conjunction with other Leo A Daly design services.