Leatherhead Food Research | 9,843 followers on LinkedIn. Your food and beverage regulatory experts | Leatherhead Food Research, part of Sagentia Regulatory (formerly TSG Consulting), is a leading provider of regulatory and scientific consultancy for the global food and beverage industry. Founded in 1919 and based near London, we combine deep industry insight with scientific expertise to support clients with regulatory and scientific advice, food safety support, and cooking instructions services. Our long-standing membership programme supports around 1,000 member locations worldwide, offering exclusive resources, expert helpline access, and training.