This is a progressive, high-growth company revolutionising the way hot water and energy efficiency are delivered in modern buildings. At the forefront of sustainability and smart technology, they provide intelligent hot water solutions that actively support the UK's drive to net zero - cutting energy waste, enabling grid flexibility, and driving long-term carbon savings. Their focus spans commercial property, residential new builds, and social housing, and they're already recognised as one of the most dynamic, innovative companies in the sector. With plans to scale 5x in growth over the next 12 months, it's an exciting time to join a purpose-led business that's making a real impact. They're now looking for an ambitious Business Development Manager with specification sales experience to help expand their footprint across the South West of England. The Role - Business Development Manager (South West) *Covering: Bristol, Bath, Exeter, Plymouth, Swindon, Gloucester, and surrounding areas *Base Salary: £60,000 *OTE: £72,000 (incl. £12K annual bonus) *Car Allowance: £6,000 per annum *Plus excellent benefits package This role will be WFH and visiting the office when they have Sales Meetings. As BDM for the South West, you'll be responsible for winning new business and securing product specification across a range of commercial, new build, and social housing projects. You'll engage with key stakeholders including developers, housing associations, local authorities, M&E consultants, and contractors, building strong, lasting partnerships based on innovation and value. This is a field-based role covering Bristol, Bath, Exeter, Plymouth, Swindon, Gloucester, and surrounding areas. Key Responsibilities: *Identify, target, and win new business opportunities across the South West region. *Build and maintain strong relationships with developers, housing associations, contractors, and specifiers. *Drive product specification into new build and retrofit projects across commercial and residential sectors. *Manage your sales pipeline, forecasts, and CRM to ensure consistent and focused territory activity. *Represent the company at trade shows, networking events, and industry forums in the region. *Collaborate cross-functionally with technical and marketing teams to support client needs and drive sales performance. What We're Looking For: Proven track record in business development or specification sales within the built environment (e.g. HVAC, renewables, building services, construction products). Strong understanding of the new build and social housing landscape. Confident communicating technical product value and sustainability benefits to a range of stakeholders. Results-driven, proactive, and able to work independently across a regional territory. Based in the South West, ideally near one of the key cities (Bristol, Bath, Exeter, etc.), with a full UK driving licence. Mandeville is acting as an Employment Agency in relation to this vacancy