Great Seal Incorporated is a Consulting Firm located in Alexandria, Virginia and incorporated in 1996.

Great Seal provides Architectural and Design Services to clients in the Washington D.C. Metropolitan area and the Mid-Atlantic region.

Great Seal is an Integrated Practice which engages a collaborative process of Design with emphases on Results. The scope of work for every project is assigned it’s own individual, or complement of design professionals necessary to obtain the required results.

Lyndl Thorsen Joseph -Senior Vice President

Lyndl has a Master of Architecture Degree from Virginia Tech and a Bachelor of Fine Arts Degree in Communication Arts and Design, from Virginia Commonwealth University.

As an Associate Member of the AIA, and The National Trust for Historic Preservation, Lyndl has completed over 100 Residential projects while working on completing her internship. Lyndl has also designed over 100 Corporate Identifications and accompanying signage and graphics.

About Us

Lyndl Thorsen Joseph