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our company


GP+A architecture is a full service architectural design firm specializing in corporate, public, industrial, institutional, retail and  residential architecture, interiors, and planning with international experience.


Our project experience includes myriad project types from multi-national multi billion dollar micro-electronics facilities, and process and distribution facilities, telecommunications and sciences laboratories, high tech data and web hosting centers, clean room design, office buildings, embassies, annexes, airports, schools, conference centers, to space planning, master planning, programming and institutional design to restaurants and multi-million dollar residential designs to house additions.

Our forte includes multiple construction specialties, SCIF, FEBR, Clean Rooms, inspection services, construction administration, and design management. We approach each project from multiple perspectives and with a singular attention required to accomplish our client's objectives. Government agencies, corporations, and individual owners all have benefited from our expertise.


Our knowledge of the International Building Codes, the Americans with Disabilities Act, Federal Standards, NFPA Codes and Standards, construction, engineering, planning and business, as well as our design talent allows GP+A architecture to stand apart from the field.


The corporate philosophy, work ethic and commitment is "large firm experience, and expertise with small firm Principal attention ". We accomplish this through knowledge, expertise, experience, technology, talent, organization, and business savvy.


We work hard to develop and maintain open and communicative relationships with our clients and our consultants. As the successor firm to Gileau-Poulton Architects & Associates, we have business and customer relationships successfully maintained through multiple projects for nearly two decades. Still, we are committed to enhancing our product and relationships.


GP+A architecture is committed to our clients and staff; our professional growth, technological advancement, business sophistication, open and honest communication and partnering with all team members to improve each and every project.




partial client list

  • The US Government

  • The Royal Danish Government

  • The US Postal Service

  • The Federal Bureau of Investigation

  • The Internal Revenue Service

  • The Department of Defense

  • The Department of State

  • The National Oceanic and Atmospheric Administration

  • Sprint

  • IBM

  • Rockwell International

  • The National Gallery of Art

  • The Office of Thrift Supervision

  • The Hill School

  • Gallaudet University

  • The University of Maryland

  • The Watergate Condominium Association

  • Washington Gas

  • Corporate Office Properties Trust

  • Lincoln Properties

  • Prince William County, VA

  • CrossFit

  • KLR Studios For Dance and Music

  • Vocellis Pizza

  • Crossfit

  • Hunterlab

  • WSDG

  • Multiple Private Residences

  • Raging Wire

  • HITT Contracting

  • TMI

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