Key Account Manager | B2B Energy Supply

E1 Partners; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading independent energy supplier in Greater London is seeking a Key Account Manager to own and grow a portfolio of high-consumption energy customers. The suitable candidate will have a proven track record in managing complex renewals and tenders, while fostering long-term relationships and identifying growth opportunities. Strong commercial and negotiation skills are essential for driving revenue through upselling and strategic account management. This hybrid role offers dynamic challenges in the energy sector.

Qualifications

• Proven experience in UK I&C energy account management.
• Strong commercial and negotiation skills.
• Confident relationship-builder with a growth mindset.
• Experience managing large, complex customer portfolios.

Responsibilities

• Managing and renewing large I&C electricity & gas accounts.
• Leading complex tender and pricing processes.
• Structuring competitive deals alongside the Trading Desk.
• Identifying upsell and growth opportunities across key accounts.
• Building long-term relationships with customers and TPIs.

Skills

Account management experience

Commercial negotiation skills

Relationship building

Growth mindset

Job description

Job Description

Key Account Manager | I&C Energy

E1 Partners is recruiting on behalf of a leading independent I&C energy supplier for a Key Account Manager to own and grow a portfolio of high-consumption energy customers.

This is a commercially focused role where you’ll manage complex renewals, lead high-value tenders, and drive revenue growth through retention, upselling, and strategic account management, also working closely with trading, operations, and finance teams.

What you’ll be doing :

• Managing and renewing large I&C electricity & gas accounts (Flex customers)
• Leading complex tender and pricing processes
• Structuring competitive deals alongside the Trading Desk
• Identifying upsell and growth opportunities across key accounts
• Building long-term relationships with customers and TPIs

What they’re looking for :

• Proven experience in UK I&C energy account management
• Strong commercial and negotiation skills
• Confident relationship-builder with a growth mindset
• Experience managing large, complex customer portfolios

Please note this is a hybrid wor...