Architecture for the Most Important Place in the World. Yours.

Residential
Roan Lane, Alexandria, Virginia
VIEW
PROJECT
Historic
28th Street NW Georgetown
VIEW
PROJECT
Historic
Oakland Terrace, Alexandria, Virginia
VIEW
PROJECT
Residential
Villamay, Alexandria
VIEW
PROJECT
Residential
Seismic Construction, Georgetown, Guyana
VIEW
PROJECT
Residential
Conservatory @ The Deer Run
VIEW
PROJECT
Historic
Construction / On the Boards
VIEW
PROJECT

 

 

Envision. Design. Deliver.
 

Great Seal, LLC (Great Seal) is an award-winning architectural design firm founded by regionally recognized and nationally decorated designer, Lyndl T. Joseph. Great Seal is a Woman-Owned Small Business (WOSB) that provides customized solutions and architectural expertise uniquely tailored to Commercial and Residential client needs. Headquartered in Alexandria, Virginia, and is located minutes away from our nation's capital, Great Seal has successfully managed the design solutions for complex projects since 1997 and is able to service clients in Virginia, Washington DC, and Maryland.