Our Firm

VAI Architects Incorporated (VAI) was formed in 1985 by founding architects Guillermo A. Vidaud and son William Vidaud de la Vega. Over the years, we’ve collaborated with many nationally renowned design professionals and have amassed a substantial portfolio of signature and first-of-their-kind projects.

Headquartered in Addison, Texas, our leadership brings a unique balance of individual expertise in architecture, real estate, and building construction. Our firm places an emphasis on responsible design that delivers exceptional aesthetics with an unwavering regard for function, budget, constructability, compliance, and sustainability.  We believe excellence is achieved through professionalism, collaboration, and client service. We have received numerous professional acknowledgements and design awards over the years, and are also MBE, HUB, and S/DBE Certified.

Definition of

We believe that client satisfaction comes from the quality of design we deliver, and that success comes from performing services that nurture long-term relationships.  Our firm is especially committed to its ongoing client relationships and frequently viewed as a trusted advisor to many legacy clients, some with which we have maintained working relationships spanning over thirty years. 


We strive to serve as an example in the architectural community through our emphasis on professionalism, secure markets, collaboration, client service, and maintaining of a positive and dynamic work environment.


At VAI, we promote an atmosphere of learning and collaboration.  Education has been a strong influence throughout our firm’s history, originating from founding partner Guillermo Vidaud’s tenures as an architectural professor at notable universities. Accordingly, our design staff is generally comprised 50% of talented interns and 50% seasoned architecture professionals.

Owner Biographies

With over a century of combined experience, our principals share a passion for architectural design, process, and outcomes. 

Contribution to Industry

Our firm and its leadership routinely contribute to the design and construction industry through mentoring, event sponsorships, committee involvement, and industry-wide advocacy.  Among the many organizations with which they have been involved are the American Institute of Architects, Urban Land Institute, Society of American Military Engineers, Greater Dallas Planning Council, DFW Topping Out, Construction Management Association of America, DFW Minority Design Professionals Council, Texas Association of Health Care Facility Managers, Regional Hispanic Contractors Association, Society for Marketing of Professional Services, and many others.

Contribution to Community

Since inception, our firm and its leadership have been involved with numerous community-oriented organizations such as the Dallas Catholic Charities, Association for Independent Living, Dallas Association for Retarded Citizens, AIA Dallas Latinos in Architecture, Regional Hispanic Contractors Association, Dallas Arboretum and Botanical Society, DART Art Advisory Committee, Dallas Transportation Coalition for the Mobility Impaired, and many more.  Additionally, we have routinely contributed to such local charities as Soup Mobile, MOSAIC, Our Friend’s Place, CANstruction Dallas, March for Respect, Citizens Development Center, Heroes for Children, Jonathan’s Place, United Way Dallas, Wounded Warrior Project, Leukemia Lymphoma Society, North Texas Food Bank, Hearts and Hammers, and more.

Commitment to Diversity

VAI truly values team diversity and has maintained an impressive record of continually seeking out and developing successful working relationships with Minority and Woman Owned (M/WBE) companies.  Our successful utilization of Historically Underutilized Businesses (HUBs) recently earned VAI an Outstanding HUB Participation Award by the University of Texas System’s Office of HUB Diversity and Federal Small Business Programs.