Key Account Manager

Powered by Water, Driven by Purpose

A leading water and wastewater retailer, Pennon Water Services (trading as Source for Business), supports over 150,000 businesses accounts across the UK. With a commitment to helping our customers lower their water use and save money, our team provide expert advice on water efficiency, leakage, and contingency.

We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals? As well as lowering our carbon footprint, we’re working with partners to plant 300,000 trees, restore peatlands and supporting farmers and landowners to improve water quality and wildlife.

Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.

Ready to make a splash? Join our team today.

Key Account Manager

Location: Home-based or Bournemouth / Exeter / Walsall (with travel to customer sites)
Type: Full-time, Permanent
Salary: From £40,000k + excellent benefits

At Pennon Water Services, we’re not just supplying water — we’re helping over 150,000 UK businesses thrive.

We are seeking a driven and commercially astute Key Account Manager to take ownership of high-value accounts, build strong relationships, and drive growth.

If you are motivated by building trust, delivering results, and making an impact, this could be your next opportunity.

What You’ll Be Responsible For

Account Ownership and Strategy
Act as a trusted partner for strategic customers, managing relationships, performance, and overall account success.

Commercial Performance
Drive revenue growth, protect margins, and proactively identify new opportunities.

Relationship Management
Develop strong, multi-level relationships with customers and partners, becoming their key point of contact.

Growth and Retention
Manage renewals, lead negotiations, and identify opportunities to expand accounts and create long-term value.

Cross-functional Collaboration
Work closely with internal teams to deliver solutions, influence outcomes, and resolve issues efficiently.

What You’ll Bring

• Proven experience managing complex B2B accounts

• Strong commercial awareness and a sense of ownership

• Confidence in influencing, negotiating, and leading discussions

• Experience in a service-led or regulated sector (utilities experience is advantageous)

• A proactive, relationship-driven approach with a focus on delivery

Why Join Pennon Water Services?

We are committed to supporting your development and wellbeing.

• Competitive salary with bonus

• Pension scheme

• Generous holiday allowance with buy/sell options

• Health and wellbeing support

• Sharesave scheme and employee perks

• Family-friendly policies

Closing Date: 27th August 2026

We may close this vacancy early if we receive a high volume of applications. We encourage you to apply as soon as possible.

Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process.

Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.

Our core values, which are essential to our success, are:

Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.

Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.

Be the Future - Embrace change. Drive Progress. Own the challenge.