OPRO Mouthguards | 1,770 followers on LinkedIn. The world's leading manufacturer of mouthguards. #TrustedByProfessionals the world over 🌍 | The OPROGROUP owns and distributes a range of world-leading sports brands, providing innovative products that inspire our global customers to sporting success. We are a family owned business with over 25 years of success in the sporting world. Our global HQ is based just north of London, servicing the needs of our in-house design team and state-of-the art manufacturing facility.