Are you ready to take your career to the next level? This exciting opportunity as a National Business Development Manager (Key accounts) offers a unique chance to drive commercial success while building lasting relationships in a dynamic and rewarding environment. With a focus on national accounts across merchants, retail, and buying groups, this company is looking for a relationship-focused professional who thrives on delivering growth and innovation. Our clients are merchants that use plumbing and heating products. If you''re passionate about strategy, collaboration, and results, this role is the perfect fit for you. What You Will Do: - Develop and grow national customer accounts by identifying opportunities and delivering tailored solutions.- Build and execute strategic account plans for all key customers to ensure long-term partnerships.- Drive sales growth through strong relationship management and consistent service delivery.- Introduce new product developments and expand product ranges within accounts.- Collaborate with internal teams across Sales, Marketing, Commercial, Finance, and Operations for seamless customer experiences.- Negotiate and secure Annual Trading Agreements while producing regular reports on pipeline, forecasts, and revenue performance. What You Will Bring: - Proven track record in a strategic sales or business development role, ideally within manufacturing or consumables.- Strong understanding of routes to market, including merchants, retail, and co