49 (new) Castle Dairies

castle dairies

Formed: 1966

Sales: £20.4m

2yr CAGR: 14.3%

Owned by: John and Nigel Lloyd

How? From its base in Caerphilly, South Wales Castle Dairies supplies organic and conventional butters for UK wholesale and retail. Turnover has grown 18% y-o-y with pre-tax profits nearly doubling last year at the dairy, which now employs 43 staff.

Slower-growing Fast 50 is hungry for new challengers