Peter Pennoyer Architects is a 50-person firm of architects, interior designers, and related professionals based in Manhattan and with an office in Miami, Florida. Founded in 1990, PPA is recognized as a leader in new construction, renovation, and historic preservation for residential, commercial, and institutional commissions across the United States and abroad.

PPA enjoys longstanding relationships with many interior designers, landscape architects, artisans, builders and consultants as well as with returning clients. The company's own interior design department also offers a full range of decorating services and often works in concert with the architectural team to tailor finishes and furnishings from city apartments and country houses to residential developments.