Business Development Manager responsible for growing TWC Services’ water compliance customer base, generating new business, managing the sales pipeline, developing existing accounts, and securing contracts. The role involves building relationships with facilities managers, estates teams, contractors, and senior decision-makers; preparing proposals and quotations; attending client meetings and site visits; and collaborating with operational and technical teams. Candidates must have water industry experience, knowledge of water hygiene, Legionella compliance, or water treatment, strong commercial and communication skills, and a full UK driving licence.