 Keen to further expand the business, it merged with the Colston company, founded by ex-Hoover director Sir Charles Colston, which made compact dishwashers, and concluded a deal to distribute Prestcold refrigerators.The company listed on the London Stock Exchange in mid-1962, at a price of 20s ($3.50) per share, with the price doubling in weeks.By the end of 1963, the company was selling over 200,000 machines a year.