Terfel is a Portuguese company whose activities span jewellery, fashion, equipment, antiques, auctions and real estate. In jewellery and fashion, the brand offers diamonds, pearls and precious stones, including emeralds, rubies, sapphires and tourmalines, alongside jewellery and fashion products. Its equipment business includes the sale of new equipment, with a focus on jewellery-related and industrial applications, as well as other areas.

Terfel also deals in antiques and vintage items and conducts auctions of its own goods, as well as judicial and extrajudicial auctions of movable and immovable property. In real estate, the company offers property purchase and sale, real estate mediation and civil construction services. These varied activities position Terfel as a multi-sector business serving customers interested in precious materials, specialist equipment, collectible goods and property.

Terfel, Lda. is based at Edifício Goldpark, Rua Parque Tecnológico, in Gondomar, Portugal. Its website provides information about the company, its services and product areas, and features property listings.