Saif Ul Haque Sthapati (SHS) is an architecture practice based in Dhaka, directed by its principal Saif Ul Haque and his associate Salma Parvin Khan. 

Saif Ul Haque was a partner of Dhaka-based architectural practice Diagram Architects from 1983 to 1996. In the latter year he started his own practice, Saif Ul Haque Sthapati. Besides practice, he is involved in teaching and research. He is one of the founders of Chetana Architecture Society, Mongolbarer Shabha Lecture Forum and currently the director of the research and design programme at the Bengal Institute. 

Salma Parvin Khan started her career at Diagram Architects and later became an associate at Saif Ul Haque Sthapati. She is also involved in teaching and research.

Saif Ul Haque’s built works at Diagram Architects include Jalalabad Gas Company Housing, BRAC TARC Faridpur, the Banchte Shekha Training Centre, a camp-house for the French Archaeological Mission and Govinda Gunalanker Hostel. Salma Parvin Khan was involved in the camp-house and hostel projects. Since the founding of Saif Ul Haque Sthapati, both have been collaborating in the work undertaken by the practice, endeavouring to create buildings that connect site, tradition and modernity for consideration as cultural artefacts. Their completed projects include Govinda Gunalanker Hostel Extension, BAGHA Club, Nari Maitree Education Centre and Arcadia Education Project, and ongoing ones include a product design and development centre and workers’ hostel, a multi-family apartment building, a folk art museum and a clothing factory, all in Bangladesh.