We’re hiring a Founding Enterprise Account Executive (New Business) to join an ambitious, seed-stage MarTech startup based in London. This is a rare opportunity to become the first senior commercial hire-owning new logo revenue and helping define the company’s enterprise go-to-market motion from the ground up. If you’re an entrepreneurial seller who wants meaningful ownership, uncapped upside, and the chance to build something category-defining, this could be your role. About the company This business is a truth-first ad measurement and performance optimisation platform built for performance marketers who need attribution they can trust and act on. The platform connects ad platform APIs with first-party user journey and conversion tracking to create a deduplicated, transparent view of what’s actually driving conversions not what platforms over-claim. The company is 18 months old, has raised pre-seed funding, and is preparing for a seed round. They are already working with impressive early-stage logos across financial services (including global trading platforms and crypto exchanges), ecommerce, and telco. Measurement and performance optimisation is an evergreen, global problem now being reshaped by AI and the founders are building toward market leadership. About the role As the Founding Enterprise AE, you will: Own new logo acquisition across the UK (with international expansion to follow)Run full upper mid-market to enterprise sales cycles from discovery to closeNavigate multi-stakeholder buying groups (Marketing, Growth, Data, Finance)Build pipeline across outbound, inbound and partner channelsHelp define ICP, sales playbooks and close plansShape pricing, packaging and overall commercial strategy This is more than a closing role it’s a chance to build and prove the enterprise revenue engine alongside the founder. What we’re looking for Experience running full-cycle upper mid-market or enterprise SaaS salesProven ability to close new logo businessComfortable operating in early-stage, high-ambiguity environmentsEntrepreneurial mindset -someone who sees this as a partnership opportunity, not just a jobExcited by equity, ownership, and building toward a meaningful exit Must have Experience selling or working with: Multi-touch attributionMarketing performance analyticsRevenue / ROI measurement platformsCustomer journey analytics Growth & Upside First enterprise sales hire with uncapped commissionClear path to Sales Leader / Head of Sales as the team scalesOpportunity to influence international expansionMeaningful early-stage equity with material long-term upsideDirect partnership with an experienced founder who has built and scaled international revenue teams For the right person, this role offers genuine long-term wealth creation and the opportunity to shape the future commercial direction of the company. Culture & Working Style High ownership and autonomyFast-paced, early-stage environment (not a 9–5 role)Hybrid working, minimum 3 days per week in LondonFlexibility for those who demonstrate delivery Compensation Meaningful equity Please book in and lets chat! - https://calendly.com/lacey-doyle-primis-talent/30min #J-18808-Ljbffr