Adamson Associates, Inc. is an architectural firm that was founded in 1934 and has offices in Toronto, New York, Los Angeles, and London. The firm provides a range of architectural services, including master planning, interior design, and sustainability consulting. Adamson Associates, Inc. has designed many high-profile buildings, including the Yonge Eglinton Centre in Toronto, the One World Trade Center in New York, and the Wilshire Grand Center in Los Angeles.

See also Adamson and AAI.