Angelo Costa is a Portuguese jewellery and silversmithing business established in 1994. Its team has specialist training in making and restoring jewellery and continues to develop its expertise in precious stones, including sapphires, emeralds, rubies and diamonds. The company operates six physical stores, with locations including Avenida de Roma, Lumiar, Telheiras and Fátima, as well as an atelier in its Almirante Reis shop that welcomes customers by appointment.

Angelo Costa sells new and pre-owned gold, silver, gold-and-silver pieces, watches and decorative silverware. Its extensive collections include rings, earrings, necklaces, bracelets, religious jewellery, wedding bands, medals, clocks and home accessories. The business also buys and sells gold, silver, jewellery, coins and watches, offering professional valuations based on market value. Atelier services include jewellery made to order, restoration and repairs, ring resizing, polishing, stone setting and cleaning. By restoring pieces and promoting second-hand purchases, Angelo Costa encourages customers to make more responsible use of existing materials and craftsmanship.