Senior National Account Manager (Grocery) in London

Marvel FMCG are delighted to be exclusively partnered with For Goodness Shakes, a well-established, high-quality FMCG brand with over 20 years of heritage and a clear mission to make protein accessible for all. As part of their next phase of growth, they are now looking for a Senior National Account Manager to take ownership of key grocery customers and play a central role in driving commercial performance.

Ways of working: Hybrid - Tuesdays, Wednesdays & Thursdays in the office, with two days from home.

Why this role?

• Join a respected FMCG brand with strong heritage and ambitious growth plans.
• Take ownership of key grocery accounts with real visibility and responsibility.
• Work within a small, entrepreneurial team where your impact is seen and felt.
• Be heavily involved across the wider business, including innovation and flavour extension projects.

The job:

As Senior National Account Manager, you will be responsible for managing and developing relationships with For Goodness Shakes’ key grocery customers, driving sustainable growth across a competitive protein category. You’ll lead the end-to-end commercial agenda across your accounts, including strategic account planning, JBPs, negotiations, forecasting, and performance delivery. Working closely with internal teams across marketing, supply chain, and product development, you’ll ensure alignment and flawless execution of account initiatives. Operating within a high-growth environment, this role requires a proactive, commercially astute approach - quickly understanding the trading landscape, identifying opportunities, and developing plans that deliver outperformance. Reporting into the Head of Commercial, you’ll also play a key role in mentoring junior team members and supporting the continued evolution of the commercial function.

The Company:

For Goodness Shakes is a leading UK protein brand, established over 20 years ago and recognised for delivering great-tasting, high-quality products. With a clear protein for all philosophy, they operate in an exciting, competitive category while maintaining a strong focus on quality, collaboration, and long-term growth. They are an entrepreneurial, close-knit team where accountability, integrity, and results matter.

You… what are we looking for?

• Experience in National Account Management within the FMCG industry.
• Proven experience managing large UK grocery retail accounts.
• Strong commercial capability across JBPs, terms negotiations, forecasting, and delivery of KPIs.
• Confident relationship builder, able to influence internal and external stakeholders.
• Highly organised, analytically strong, and comfortable operating in a fast-paced environment.

How can we make our recruitment process more accessible for you?

You can always talk to us about any adjustments you need to make your life easier. We’re always open to your thoughts and suggestions to make what we do more accessible. Get in touch and let’s work together to make recruitment fair for everyone. Feedback is extremely important, not only is it common courtesy, but we know it can help improve mental health, provide clarity, and help you improve. We will aim to respond to all applications within 2 working days. Responding makes us human.