Key Account Manager | B2B Energy Supply

E1 Partners; England; Hybrid; GBP 72,000 - 88,000; Full time

Job summary

A leading energy supplier is seeking a Managing Director to oversee key account management for high-consumption customers. The role focuses on managing complex renewals and driving growth through upselling and strategic management. Ideal candidates will have proven account management experience in the UK I&C energy sector and strong negotiation skills. This position offers a hybrid working model with 3 days a month in the London office and a competitive salary up to £80,000, depending on experience.

Qualifications

• Proven experience in UK I&C energy account management.
• Strong commercial and negotiation skills.
• Confident relationship-builder with a growth mindset.

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 in I&C energy

Commercial and negotiation skills

Relationship-building

Growth mindset

Job description

Managing Director at E1 Partners - Connecting top talent within the Energy sector!

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 working model of 3 days per month in the London office.

Salary up to £80,000 depending on experience.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

• Business Development and Management
• Utilities and Energy Technology (Industry)