Our Experience: SGA is a Massachusetts based architectural firm located in Waltham, just north of Boston. Our team is considered to be among the most energetic and strongest retail architectural firms in the Commonwealth of Massachusetts. Our 30 plus years of experience is reflected throughout many aspects of our company; our clients, our staff and our work. Our talented team of architectural and interior designers use their knowledge and experience to encompass a full range of design services to meet our clients’ needs and expectations from the initial design stage until project completion. Our Expertise: Our firm offers a full range of architectural, urban design, and master planning services that include new design, historical preservation, space planning, tenant fit-out, building envelope analysis, building code and zoning code review and value engineering. Our Passion: Committed to being the recognized leader in architecture, totally dedicated to client service and maintaining a firm attention to quality, responsiveness, innovation and creativity.