Five eminent professor architects have united their practices and founded United Architects Partnership (BMO) in 1958. Architect Turgut Alton joined this structure in 1967. When the old generation was retired, he incorporated new young partners to the company and practiced as the founding partner and general manager of the company till 1990.

In 1990, he parted from BM with his colleagues and founded TAM, Turgut Alton Architecture and Consultancy. Uniting the experience with the requirements of contemporary design, the company realized many important large scale projects, successfully. Parallel to the Turkish contractors, various projects were completed in Russia, Ukraine, Kazakhstan, Turkmenistan, Qatar, Vienna, while projects of culture and congress centers, tourism facilities; commercial, administrative and residential buildings were accomplished, locally.