Senior Client Service Manager, UK
About Advantage Group International (AGI)
AGI is the global intelligence partner transforming B2B collaboration. Working with the world’s largest retailers and suppliers, we deliver in-depth, AI-powered insights that bring the foresight and clarity needed to strengthen partnerships, empower better decisions, and accelerate growth for our clients.
Our proven model is supported by fact-based evidence demonstrating differentiated growth for suppliers and retailers who achieve strong levels of collaboration.
With a presence across more than 40 markets, we’re redefining how suppliers and retailers collaborate and grow. As AGI continues to grow, we’re seeking curious, collaborative, and impact-driven professionals to help shape the future of insight-led partnerships. More about us here: https://www.advantagegroup.com/ .
Why Join Us
Shape the future of collaboration at a company that’s redefining how businesses grow.
Make an impact by turning insight into stronger partnerships and real results.
Work with global teams and leaders in an agile, high-performing environment.
Thrive in a culture that values collaboration, clarity, curiosity, and innovation.
Grow your career through meaningful work, development, and competitive rewards.
Who We’re Seeking
Discover an Exciting New Opportunity with Advantage The Senior Client Service Manager plays a critical role in driving revenue growth for Advantage Group in the UK. This role combines senior client leadership with proactive new business development across both existing and prospective clients, positioning Advantage as a trusted strategic insight partner within the FMCG and grocery retail community.
Experience & Background
• 5+ years’ experience in a senior sales, category management, customer marketing, retail trading or client service role within FMCG or grocery retail.
• Strong recent experience within the UK grocery industry is essential, gained either on the supplier or retailer side.
• Experience working within a market research, insight, consultancy or marketing services environment is desirable but not essential.
• Exposure to other retail, digital, wholesale or On‑Trade channels is advantageous.
• High proficiency in Microsoft Excel, PowerPoint and Teams.
• Familiarity with Salesforce and modern analytics / AI tools (e.g. Microsoft Copilot, Tableau, ChatGPT) is beneficial but not required.
What Success Looks Like in This Role
• Revenue growth delivered through strong retention, upsell and new client acquisition across a defined portfolio. • Consistent conversion of insight debriefs and workshops into incremental commercial opportunities.
• High levels of senior client engagement, advocacy and long‑term partnership.
• Strong contribution to UK & Ireland business planning and pipeline development.
Key Responsibilities
• Achieve revenue growth goals by maximising client retention and identifying upsell and cross‑sell opportunities through robust account planning.
• Proactively identify, develop and win new business opportunities with both existing and prospective clients.
• Build and maintain trusted relationships with senior supplier and retailer stakeholders, ensuring clients gain clear value from Advantage programmes.
• Lead commercially focused client conversations, translating business challenges into compelling proposals in partnership with Commercial and Finance teams.
• Act as a Brand Ambassador for Advantage Group through presentations, workshops, webinars, industry events and professional social channels.
• Co‑own UK & Ireland account growth plans and support annual business planning alongside the Client Service Director.
• Provide regular, insight‑led client updates and performance reviews, positioning Advantage as a strategic partner.
• Work cross‑functionally with Operations, Programme Management and Global teams to deliver scalable, high‑quality client solutions.
• Act as a senior contributor within the UK client‑facing team, supporting…