She is managing director of a UK retail marketing agency called Leapfrogg, which develops and delivers retail marketing strategies across multiple digital channels in consumer markets, including home and garden.
She established Leapfrogg after holding a number of digital retailing roles at various local based marketing agencies. Leapfrogg specialises in premium and luxury brand support.
Fargro managing director Jim McAlpine said: "Rosie will bring new skills to the Board to support online marketing and business development."
Freshwater said: "I am delighted to be joining such a well regarded and established business as Fargro. I really look forward to helping Fargro move further forward to harness the huge potential of the digital marketplace."