Manthorpe Building Products is a leading designer, manufacturer and supplier of plastic injection moulded, vacuum formed and extruded products for the building industry. Part of the Genuit Group, we combine long-term stability with a culture built on teamwork, accountability and continuous improvement. We encourage fresh ideas, invest in development and are committed to creating a safe, inclusive and supportive workplace where everyone feels like they belong. Role Overview: We are seeking a driven and commercially focused Area Sales Manager (ASM) to join our team. In this role, you will be responsible for converting sales leads into profitable business, while building and strengthening relationships with both existing and new customers. You will work closely with roofing, building, and plumbing merchants and distributors, as well as directly with builders and contractors to generate demand. Regular site visits will be essential to ensure product specifications are met and opportunities are maximised. Territory This role covers the South East region. Ideal candidates will be based in or around Stevenage, Chelmsford, Suffolk, North London, Milton Keynes, Romford. Key Responsibilities: Convert sales leads into profitable business opportunities, maximising revenue across existing, new, and target accounts Build and maintain strong, long-term relationships with customers, including merchants, distributors, builders, and contractors Proactively identify and develop new busi