Al Subaey founded 1309 Studios in 2015 as a ready-to-wear minimalist brand. It offers abaya collections, diverse clothes, kaftans, and accessories, and features signature prints. Celebrity fans include Huda Kattan, and Al-Mayassa bint Hamad Al-Thani. In March 2023, Al Subaey’s design was worn by Yasmine Sabri and featured on the cover of Vogue Arabia. Al Subaey created the 1309 Community to provide a safe space for the development of women in Qatar. She is also the founder of The Cutting Studio, a fashion consulting and garment production studio in Qatar.