Founded in 1982, Allto has 20 staff and has worked with consumer and healthcare companies including Nestle, Cereal Partners Worldwide and SC Johnson.

The acquisition takes Trinity McQueen’s total headcount to 75, with offices in London and Leeds. It also adds product testing to the agency’s offer, which includes behavioural science, brand measurement, customer experience and new product development.

Anna Cliffe, co-founder of Trinity McQueen (pictured, right), said: "I am delighted that the Allto team are joining us to broaden our range of consultancy services and give us access to new international markets."

Allto will retain its brand identity following the acquisition and there are no staffing changes.

Duncan McCallum, founder of Allto Market Research (pictured, second from left), added: "There are great synergies between the two companies, and we look forward to expanding our services together in the UK and globally."