Thomas Del Mar Ltd was founded in 2005 and has been holding sales biannually entitled "Thomas Del Mar Ltd in association with Sotheby's" since then.
Thomas was formerly Head of Sotheby's Worldwide Department of Arms, Armour and Militaria and assisted Sotheby's with sales in London, New York, Denmark, Zurich, Billingshurst and Hanover. The sale of works of art from the Royal House of Hanover included arms and armour which sold for £4,764,004 ($8,392,610) which continues to stand as a World Auction Record for an ancestral collection in this field. Thomas continues to work as a Consultant to Sotheby's on valuations and sales of major collections.
Thomas Del Mar works closely with his former Sotheby's colleagues, Peter Smith and Ian Eaves (former Keeper of Armour at the Tower of London) who have both been working as consultants since the founding of the company in 2005.
The team at Blythe Road includes George Duckett as Operations Manager and Amy Kitchen who runs the archives and assists with the sales administration.