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Jermyn Street shirtmaker making luxury men's shirts by hand in its Gloucester workshop from Swiss and Sea Island cottons, plus linen, cashmere and silk pieces.

Sock maker near Braga, Portugal, producing about 3.5 million pairs a year in organic cotton and merino for department stores, chains and brands such as Asket.

Arequipa knitwear and apparel maker producing alpaca and organic cotton sweaters, coats and accessories for brands and designers; also runs its own label, Anntarah.

London womenswear label known for signature silk collections, making resortwear, sleepwear and staples in silk, linen and wool.