Fuller (pictured) founded the Flamingo Group in 1997 alongside Maggie Collier, serving as co-chief executive and latterly chief executive at the firm until May 2017.

Based in Big Sofa’s London office, Fuller will help to grow the company, which recently attracted £3m in investment from Ipsos and last year opened a US office. She will also sit on the company’s board.

Simon Lidington, chief executive at Big Sofa, said: “Kirsty is a talented and inspiring business leader with an impressive commercial track record. Having successfully grown a business from scratch to become one of the largest of its kind in the world, with several hundred employees, I believe she will be instrumental in helping to grow our company.

“We share the belief that observational methods led by video will transform the research industry. Kirsty’s unrivalled expertise in consumer insight and Big Sofa’s technology for capturing and analysing video at scale creates a powerful customer offering.”

Fuller takes up the role from 1^st October.