agency has won many effectiveness and creative awards, such as the Grand Prix at the Roses Advertising Awards 2009. Acquisition In August 2020, The Leith Agency as part of its holding company, Cello Health plc. (formerly Cello Group) was sold to Pharma Value Demonstration Bidco Limited, a newly incorporated company wholly owned by Value Demonstration UK Holdings Limited, a company backed by Arsenal Capital Partners V LP and Arsenal Capital Partners V-B LP, following acceptance of a recommended cash offer by the company shareholders. The share offer of £1.61 per share was accepted at a Shareholders' General Meeting held on the 3rd August. Reference External links Ads Consultancy Contextual Backlinks Advertising agencies of the United Kingdom Marketing companies established in 1984 Marketing companies of the United Kingdom Companies based in Edinburgh 1984 establishments in Scotland