Business Development Executive – UK (Energy Storage / BESS)

Business Development Executive – UK (Energy Storage / BESS)

Location: UK (Hybrid)

Reporting to: General Manager (UK)

About Fellten Ltd

Fellten Ltd is an innovative OEM specialising in Battery Energy Storage Systems (BESS) and electrification solutions. Operating at the intersection of clean energy, advanced engineering, and commercial innovation, Fellten is enabling the transition to a low-carbon energy system.

With accelerating demand for energy storage across commercial, industrial, and infrastructure sectors, Fellten is entering a critical UK growth phase bringing to market modular, high-performance BESS solutions that unlock flexibility, resilience, and cost optimisation for customers.

The Opportunity

This is a key commercial leadership role focused on the UK market. As Business Development Executive, you will contribute to develop Fellten’s UK commercial strategy and execution, establishing the company as a credible and differentiated BESS OEM within a rapidly evolving energy landscape.

Reporting to the General Manager, you will work as part of a team to win & develop strategic partnerships to deliver significant revenue generation, while acting as a senior external representative of the business across customers, partners, and industry stakeholders.

This role is suited to a proven commercial hunter who combines strategic thinking, deal-making capability, and strong execution discipline within a high-growth environment.

Key Responsibilities

1. UK Commercial Strategy & Market Development

• Develop & execute Fellten’s UK go-to-market strategy for BESS
• Identify priority customer segments (e.g. Fleet, automotive, logistics,  renewables, construction, grid services etc)
• Establish scalable routes to market and revenue models within the UK

2. Strategic Partnerships & Deal Origination

• Originate, structure, and close high-value UK-based commercial agreements
• Develop partnerships with utilities, developers, EPCs, infrastructure providers, Auto OEM’s, Leasing & Financial Services
• Lead development of innovative commercial models (e.g. Energy-as-a-Service, leasing, JV structures, OEM supply)

3. Executive Customer Engagement

• Build and maintain relationships at senior stakeholder level (C-suite / Director level) within UK target accounts
• Lead complex negotiations and commercial discussions
• Act as a trusted advisor on energy storage, electrification, and decarbonisation strategies

4. Market Insight & Product Alignment

• Monitor UK market dynamics, including regulation, grid constraints, and competitive landscape
• Translate customer and partner insights into product, pricing, and commercial strategy inputs
• Support the adaptation of Fellten’s offering to meet UK-specific requirements

5. Commercial Delivery & Cross-Functional Alignment

• Ensure a seamless journey from origination through to project delivery and execution
• Work closely with engineering, operations, and service teams
• Support key accounts through deployment and long-term relationship development

6. Capability & Process Development

• Establish effective commercial processes, pipeline management, and governance within the UK business
• Contribute to building a scalable UK commercial function over time
• Support the GM with strategic planning, forecasting, and performance tracking

Skills & Experience

Essential:

• 10+ years’ experience in business development, commercial leadership, or partnerships roles
• Strong track record of originating and closing complex B2B deals in the UK market
• Experience engaging with senior stakeholders across corporate or infrastructure sectors
• Demonstrated ability to structure partnerships or commercial agreements
• Strong commercial acumen with the ability to link technical solutions to financial value
• Experience operating in growth or scale-up environments

Desirable:

• Experience in BESS, renewables, energy infrastructure, EV charging, or distributed energy
• Understanding of UK energy market dynamics, regulation, and grid environment
• Exposure to project finance, leasing, or energy-as-a-service models
• Experience working with OEMs, Leasing, EPCs, or energy developers

Personal Attributes

• Strategic thinker with strong execution capability
• Commercially creative and solutions-oriented
• Credible and confident in senior external engagements
• Entrepreneurial mindset with a “builder” mentality
• Resilient and comfortable operating in a fast-paced, evolving environment
• Collaborative, low-ego team player

Why Join Fellten Ltd?

• Senior role with the opportunity to develop a significant sectors within the UK market 
• Opportunity to shape the commercial trajectory of a scaling BESS OEM
• Work closely with the General Manager and leadership team
• High-impact role in a rapidly growing, future-critical sector
• Competitive package with long-term upside potential