Industry-Leading, Inspired Design

undefinedLEO A DALY is an internationally-recognized, award-winning architecture, engineering, planning, interior design, and program management firm. We are consistently ranked among the top design firms in the world. Our diverse portfolio includes world-class projects in more than 87 countries, all 50 US states, and the District of Columbia.

Founded in 1915 by Leo A. Daly, Sr., our firm rose to national prominence for pioneering the use of interdisciplinary project teams:  a "whole project" approach that ensures maximum efficiency, coordination, and client satisfaction. Today, under the leadership of Leo A. Daly III, FAIA, RIBA, FRAIA, we continue a legacy of innovation and commitment to client satisfaction, creating exceptional projects that enhance and enrich the human experience.

Our services are extended through Lockwood, Andrews & Newnam, Inc. (LAN), a LEO A DALY company, experienced in engineering, infrastructure consulting, and program management.



Our Values

Collaboration

Our integrated approach combines experts from every design discipline: architecture, engineering, planning, and interior design. This harmony of design and process, pioneered by LEO A DALY, results in better project management and a more cohesive final design.

Design Excellence

Design excellence permeates our thinking, defines our culture, and fuels our passion. We approach every project with an open, questioning mind, seeking to solve design problems in a way that serves clients, values the environment, and inspires users.

Client-Centered Approach

The foundation of our approach is client-centered. Working side-by-side with every level of stakeholder, we collaborate to serve your operational and business goals. Your vision, paired with our creativity and expertise, produces exceptional results.


A Century of Design Excellence

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"Welcome to LEO A DALY’s new website. This year we are honored to celebrate our 100th anniversary. We appreciate that this is a significant milestone and one that few firms have achieved. It is a testament to the loyalty of our clients; the dedication of our talented professionals and associates; our firm’s resilience; and our commitment to design excellence, creativity, innovation, and client service.

As we set the course for our next 100 years, we rededicate ourselves to our core values and to embracing the future of our profession, new technologies and methods of project delivery. We pledge to continue advancing the skills of our professionals and associates, who deliver outstanding service to our clients, and sustain our legacy of professional leadership.

We thank all of our valued clients, project partners, professionals and associates, who have supported LEO A DALY’s growth and helped to build our strong foundation. We look forward to collaborating with you as we face the opportunities, challenges, and successes of our next century."

-- Leo A. Daly III, FAIA, RIBA, FRAIA
   Chairman and CEO