Sophie Panizzo

Sophie Panizzo is a Director of Argentum Property, a boutique buying service based in Mayfair, London, which she co-founded in 2016 with Luis Diez de Onate. The firm offers property acquisition for high-net-worth clients in London's prime market, with a typical property range of around £500,000 to £2.5 million, and also sources international property, particularly in Lisbon's prime sector, working directly with leading Lisbon developers on bespoke client requirements.

Previously she headed Sterling Advisory's central London office and managed Sotheby's International Realty's Chelsea operations. She is recommended in the Spear's 500 Buying Agents Index (2026).