BTTG™ is a leading independent organisation for testing & certification of personal protective equipment (PPE). The organisation certifies, tests, audits, advises and trains. Specialising in heat and flame protection, with extensive experience in firefighter, police, and emergency services’ PPE. BTTG™ has been involved in evaluating protective clothing under full-flame engulfment since 1989 with the world renowned RALPH / SOPHIE, male and female manikins. Shirley® offers a range of Independent technical and investigative services. Operating STANDARD 100 by OEKO-TEX®, which is an independent testing and certification system for raw materials through to finished garments. We are accredited to ISO 17025, ISO 17021 and ISO 17065.