Business Development Manager We are looking for a highly driven and commercially focused Business Development Manager to help grow our pipeline across public sector and commercial markets. This is an exciting opportunity to play a key role in expanding our work in public sector decarbonisation and large-scale retrofit projects. You will focus on building relationships with decision-makers, identifying opportunities before they reach tender portals, and securing contracts across sectors including education, healthcare, local authorities and housing associations. The business specialises in engineering services design, project management, and mechanical & electrical contracting, and is entering a strong period of growth with increasing opportunities across the UK. What We Offer Competitive Salary + Bonus / Sales Incentive Scheme OTE: Six-figure earning potential (up to 40% bonus) 36 days holiday (including public holidays) 12% overall pension Hybrid working (2 days WFH / 3 days office) Flexible start and finish times Private medical insurance EV scheme, cycle to work scheme Holiday buy/sell scheme Company social events and volunteering dayKey Responsibilities Develop and execute a business development strategy targeting public sector and commercial contracts Build and maintain relationships with local authorities, public bodies and framework providers Identify new opportunities in energy consultancy, building services, M&E contracting and PAS2035 retrofit projects Manage sales pipeline, client meetings and tender follow-ups Work closely with internal technical and bid teams to maximise win rates Report on pipeline activity, KPIs and market opportunitiesEssential Experience Proven track record in business development within construction, building services or low-energy buildings Experience winning public sector contracts and knowledge of procurement processes Strong network with public sector decision-makers or framework providers Excellent relationship-building, communication and organisational skills Experience managing sales pipelines, KPIs and CRM systems Knowledge of sustainable building or retrofit projects is highly desirable RG Setsquare is acting as an Employment Agency in relation to this vacancy