Trained by the late Princess Diana's tailor, under the direction of Prof Andrew Ramroop OBE. Alicya Sinclair is a British Savile Row trained tailor, Fashion Designer and Brand Director. She launched her luxury women's wear fashion label, "Sinclair London" making her the first Savile Row trained tailor to launch a women's only tailoring brand in 2013. She has 13 years experience in the luxury fashion industry, ranging from luxury bridal, couture and bespoke tailoring.

In February 2023 Sinclair London Productions was launched. SLP is the creative & costume division of Sinclair London. Servicing clients in the entertainment world from TV, Film & Global Scale Events. The division is responsible for lending its skills to some of the most iconic films and global scale events ever made.