The British Horse Society is a charity that represents the interests of the 43 million people in the UK who ride or who drive horse-drawn vehicles. With its membership and that of its Affiliated Riding Clubs and Affiliated Bridleway Associations, the BHS is the largest and most influential equestrian charity in the UK. Melissa Troup BA and BHS Stage 5 Performance Coach in Complete Horsemanship. Margaret Linington-Payne BA (Ed) is a BHS Stage 5 Performance Coach in Complete Horsemanship and a BHS Assessor.