KATT Safety is the height safety division of Modular Safety Systems Ltd, based in Bristol. It supplies permanent access and collective fall protection for rooftops and other work-at-height situations. Products include KATT Climb fixed ladders, KATT Guard roof guardrails, KATT Walk roof walkways and modular stair and access platforms. Its case studies include a distribution depot in the intralogistics sector, alongside solar and industrial roofing projects.