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VMS was founded in 2009 by Patrick van der Vorst, former president and head of department at Sotheby's in London, to provide online valuations.

The venture, charging £10 per valuation, received significant media attention in 2010 when it received a £100,000 investment from Deborah Meaden and Theo Paphitis on the BBC series Dragons' Den.

As a result of the takeover, both 'Dragons' have now been bought out.

The VMS team of over 60 freelance specialists was of particular appeal to Alexander Zacke, founder and CEO of Auctionata. He said: "Having access to the best experts worldwide is an essential aspect of [our] business model. Through the acquisition of VMS we are able to expand the expertise from which we provide our customers with fast and reliable valuations."

Van der Vorst will oversee the expansion of Auctionata's global expert network and continue in his role as CEO of VMS.