A home security start up has won £1.5 million backing from Gareth Williams who helped grow Skyscanner into one of Scotland’s most successful technology firms.

Mr Williams and other investors provided £3.7m growth funding in total for Boundary Technology weeks after the company launched its first product.

This is a movement-based alarm system linked to an App, which allows users to monitor their homes when they are out. The system integrates with technologies such as Amazon Alexa and Google Home.

Edinburgh-based Boundary expects to use the funding to support continued product development, with employee numbers at the firm set to double to 18 from nine.

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The business was founded by technology entrepreneurs Robin Knox and Paul Walton. Mr Knox said the funding should allow Boundary to achieve much faster growth than originally expected and to put the firm on the road to becoming a top-tier European home security business.

He said it was incredible to win the backing of Mr Williams who has also acted as a mentor.

Mr Williams was a founder of Edinburgh-based Skyscanner and led the firm through a period of rapid growth that culminated in it being acquired by China’s Ctrip for £1.4 billion in 2016.

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Boundary also won further investment from Scottish Enterprise and the Equity Gap business angel syndicate.

Mr Knox and Mr Walton previously co-founded the IPOS payments app business, which was acquired by iZettle.