Established in 1977, “Tarh O Kavosh Engineering Co.” started its professional activities as a consultant engineering company and mainly concentrated on architectural work and urban planning. Since then TOK has a record of more than 200 outstanding architectural projects and over 20 major urban master-planning in different locations in Iran.



TOK is currently a member of the “Abadi Sarzamin”, a consortium consisting of eight Iranian leading consulting engineering companies who support each other in different professional fields. The registered capital of TOK is now 27 billion Rials.

In 2004, Tarh O Kavosh was honored the highest grade license of mass housing production with the annual record of totally 120,000 m2 from the Ministry of Housing & Urban Planning.