Quantcast

At Quantcast, we're redefining what's possible in digital advertising. As a global Demand Side Platform (DSP) powered by AI, we help marketers connect with the right audiences and deliver measurable results across the Open Web. Our foundation is built on cutting-edge measurement and consumer analytics, giving our clients the tools they need to drive success in an ever-evolving digital landscape. Since our start in 2006, we've pioneered industry firsts-from launching the original measurement platform for digital publishers to introducing the first AI-driven DSP. If you're ready to be part of a dynamic, forward-thinking team that thrives on creating transformative solutions, Quantcast is the perfect place to grow your career. We are looking for a Senior Sales Manager to join our high-performing Enterprise Agency sales team in our London office. In this role, you will lead the new business sales drive of Quantcast's managed service offerings and self-serve platform. You'll be responsible for the pre-sales qualification (identifying the perfect Quantcast customer), sales strategy, negotiation, implementation & assisting in growth of new business with the Account Management team. What you'll do: This is a net-new business role focused on acquiring new clients across Big 6 Agencies. Identify the perfect clients for Quantcast, convert quickly & build a plan to scale. Present and evangelise Quantcast's capabilities and offering in the UK digital advertising marketplace; build an intimate understanding of Quantcast products and their place in the industry. Bring in new customers, both through advertising/media agencies and also by influencing direct brands. Continuously analyze sales statistics to determine growth potential and work toward specific KPIs and challenging targets. Who you are: 7+ years' experience in new business sales in media or ad tech. Proven track record in managing and developing strategic accounts - evidence of deal velocity with consistent closing of mid-to-large opportunities. Strong ability to sell consultatively to senior decision-makers, including experience pitching direct to brand (client direct), beyond agencies. Commercially sharp: confident managing deal cycles, forecast accuracy, and disciplined pipeline hygiene. Self starter with pace, resilience and a "build it" mentality; thrives in high growth environments. Quantcast operates in a hybrid work environment. The in office days are Tuesday, Wednesday, and Thursday. At Quantcast, we craft offers that reflect your unique skills, expertise, and geographic location. On top of a competitive salary, this position includes eligibility for a performance bonus, equity, and a comprehensive benefits package. Depending on your location, this may include generous vacation, medical, dental, and vision coverage, and retirement plans. For more details, visit our Careers page and see how we support our team. Please see the Applicant Privacy Notice for details on our applicant privacy policy. Founded in 2006 and headquartered in San Francisco, we are a diverse, aligned community with offices across 10 countries worldwide. Join the team that unlocks potential. Quantcast is an Equal Opportunity Employer.