Founded by Nevzat Sayin in Kuzguncuk, 1986, with the aim of architectural services. The firm was restructured in 1992, with a sense of participatory management and execution. This participatory approach, as well as other architectural groups and disciplines in order, inter-office teams, which forms the basis for an efficient working environment. The core team of 14 architects with a flexible organizational structure but at the same time has a structure that can change scale depending on needs. Up to this day, NSMH has created 270 projects, totaling 3,000,000 square meters of indoor and 12.000.000 square meters of outdoor space.