Client Success Director

Location: London (hybrid), with regular UK client travel Team: Business Development (across Kantar Domains) Contract: Permanent Comp: Includes an annual individual revenue target (upsell & cross sell)The Client Success Director role sits at the heart of Business Development and exists for one purpose: nurture and build relationships with newly converted clients, turning every new win into sustained, accelerated commercial growth . You'll own the first 12 months of a portfolio of newly acquired clients (Kantar Marketplace/agile solutions space new logos and cross sell wins)-and ensure they quickly see value, feel supported, and continue to buy - continuously seeking out the next opportunity to drive growth.You'll build senior client relationships, understand what matters most to them, and convert those insights into incremental revenue and multi domain expansion . This is a high impact, face to face commercial role for a natural relationship builder who thrives in conversations that uncover needs, shape demand, and open new revenue pathways. Commercial Growth: Deliver incremental revenue against your individual target with disciplined pipeline coverage and accurate forecasting. Expansion at Scale: Drive multi domain, multi buyer penetration across priority accounts-turning early wins into broader adoption across Brand, Creative, Media and more. Client Health & Advocacy: Build strong client relationships, elevate client experience, anticipate risks early, and secure ongoing executive sponsorship. Fast Time to Value: Lead efficient onboarding with early adoption milestones and visible proof of value that fuels further commercial conversations. Governance & Compliance: Ensure all client hospitality and event activity adheres to policy. Make our new clients feel valued and treasured. Lead the post win handover with clarity on scope, outcomes and value expectations. Align internal teams to deliver the value promised, ensuring seamless client experience across domains. Champion the use of toolkits, playbooks and best practices for consistent growth execution. A proven track record of turning adoption into client led expansion and revenue growth . Knowledge in insights, analytics, brand/media, innovation, advisory or CX (relationship building is key - knowledge non-essential as training will be provided). A passion for spending meaningful time with clients-listening deeply, asking the right questions and finding opportunities in the conversation. Confidence in pricing, negotiation and integrated solution framing. High energy, curiosity and a commercial intuition for where growth sits in the client's world. Strong stakeholder mapping and orchestration skills across BD, Marketing, Client Partners, and Domain/Solution Leads. Skilled use of Copilot to surface new opportunities and relevant client forward insights. Proficient use of CRM.