Marketplace New Business Lead London (2 days a week in the office) Competitive SalaryWe are partnering with a fast growing, multi channel retail business that continues to invest heavily in its ecommerce and marketplace offering.As part of this growth, the business is looking to appoint a commercially driven Marketplace New Business Lead to support the expansion of its third-party marketplace, driving seller acquisition and building a high-quality partner network across Home, Garden and DIY categories primarily.The Marketplace New Business Lead will play a key role in growing the marketplace by identifying, recruiting and onboarding new sellers across priority categories.This is a commercially focused role, responsible for building a strong pipeline, managing the full sales cycle and ensuring new partners are set up for long term success.Key ResponsibilitiesIdentify and acquire new sellers across key categories, aligned to marketplace growth strategyBuild and manage a pipeline of prospective partners, from initial outreach through to onboardingLead the full sales cycle including pitching, negotiation and contract closureDevelop compelling value propositions to attract high-quality sellersConduct market and competitor analysis to identify opportunities and gapsManage seller onboarding, ensuring a smooth and efficient introduction to the platformEnsure all sellers meet compliance and regulatory standardsSupport new sellers through the initial onboarding period to drive early su