Head Of Seller

OnCommerce is a global selling platform that powers a growing network of retail channels, including:

• On Buy - The only marketplace in the world to give customers instant Cashback on everything
• easyShop - An all-new marketplace created in collaboration with the easy® family of brands
• Comet - The iconic UK tech brand making its return later this year

OnCommerce is growing fast, launching new brands and scaling to power the future of ecommerce.

Be Part of the Story

OnCommerce is constantly evolving. Everyone here plays a hands‑on role in shaping what comes next, building brands that make an impact across global markets. There’s no red tape or rigid corporate structure; just smart people taking ownership and figuring things out as we build something big together. The pace is fast, priorities shift, things aren’t always perfectly set up, and you’ll often need to get stuck in and solve problems.

But if you thrive in that kind of environment, you’ll have real influence, real ownership, and the chance to grow with a rapidly scaling business.

Lead the Seller Revenue function across OnCommerce, supporting OnBuy, easy

Shop and Comet. The role is accountable for the total commercial performance of the post‑payment seller lifecycle, turning paid sellers into active, trading and advertising sellers while retaining commercially valuable sellers at risk of cancellation.

This is an automation‑first commercial leadership role. The Head sets the strategy, targets, investment priorities and intervention model. The Seller Lifecycle Revenue Manager owns automated journey delivery, while the Seller Success Manager owns approved one‑to‑one interventions.

Mission

Grow sustainable, incremental revenue from sellers after sign‑up by combining scalable lifecycle automation with selective, evidence‑based human intervention.

Commercial accountability

• Seller activation and sign‑up‑to‑active conversion
• New Seller, New Product GMV and sellers reaching £1,000 GMV within 90 days
• Boost adoption and revenue
• Retail Media adoption and revenue
• International seller expansion and associated GMV, where included in the agreed functional scorecard
• Subscription upgrade revenue, where included in the agreed functional scorecard
• Cancellation salvage and retained GMV/revenue
• Revenue‑team cost efficiency and functional P&L performance

Key Responsibilities

Set seller activation strategy

• Set activation targets and priorities across verification, listings, first sale and early GMV.
• Hold the Seller Lifecycle Revenue Manager accountable for automated activation journeys and performance.
• Identify recurring barriers that require action from Product, Operations, Data or other teams.
• Prioritise interventions according to commercial value and expected incremental return.

Grow seller monetisation and advertising revenue

• Own total Boost and Retail Media revenue targets.
• Define priority seller segments, use cases, propositions and commercial opportunities.
• Approve material incentives, credits, offers and campaign investment within agreed authority.
• Ensure advertising is positioned as a seller‑growth tool and that activity is targeted, measurable and commercially justified.
• Hold the Seller Lifecycle Revenue Manager accountable for automated adoption and the Seller Success Manager accountable for approved direct intervention.
• Set the commercial strategy, priorities and success measures for automated seller journeys.
• Agree the behavioural triggers, commercial milestones and intervention rules that journeys must support.
• Provide clear direction to the Seller Lifecycle Revenue Manager, who is responsible for journey design, campaign execution, testing and optimisation.
• Reduce reliance on commissioned human intervention where automation can achieve an equal or stronger commercial…