From 1993 to 2014 she was the founder and president of Rosemary Conley Diet And Fitness Clubs, a franchise-based organisation that was alongside Slimming World and Weight Watchers, one of the "big three" weight loss organisations in the UK.
She has released 37 diet books, in addition to presenting 31 exercise videos and DVDs.
She now chairs Rosemaryconley.com, an online weight loss club and is the UK distributor for Facial-Flex®, a facial exercising device.