Strategic Partnerships Manager, UK in London

The Role Square is seeking a Senior Partnerships Manager to source, negotiate, and scale partnerships that fuel Square seller acquisition, retention, and business growth across the United Kingdom. Partners include referral networks, distributors, service providers, technology platforms, and strategic ecosystems where there is mutual benefit through lead generation, co-sell, co-marketing, and product enablement.

Key Responsibilities

• Sourcing & Deal Execution: Identify, evaluate, and secure high-impact partners; lead negotiations and close large-scale partnership deals and product integrations that advance Square's capabilities and growth.
• Product Partnership Development: Collaborate closely with Product and Product Marketing to design partnership experiences that delight sellers — ensuring integrations are seamless, valuable, and well-positioned in market.
• Growth Accountability: Deliver measurable results in lead generation, seller acquisition, and pipeline contribution through your portfolio of strategic partnerships.
• Activation & Scaling: Launch partnerships with clear GTM plans, co-marketing initiatives, and integrated roadmaps; work hand-in-hand with Product Marketing to bring partnerships to life for sellers.
• Executive Relationship Management: Build and sustain senior-level relationships with partners, ensuring long-term value creation and mutual growth.
• Cross-Functional Collaboration: Partner with Product, Product Marketing, Operations, Marketing, Sales, and Legal to ensure smooth execution and maximum impact. Bring an ownership mentality to how the team operates — actively contributing to team processes, rituals, and ways of working that make us better together.
• Measurement & Optimisation: Define and track KPIs for partnership success, adjusting strategy and tactics as needed to drive continuous growth.

You Have

• 8+ years in business development, strategic partnerships, and/or product partnerships, with demonstrated progression in scope and impact.
• Hands-on experience sourcing, negotiating, and closing large-scale partnerships and product integrations.
• Strong collaboration skills with Product Marketing; experience shaping partner positioning, co-marketing, and GTM narratives.
• Demonstrated ability to connect partnership strategy directly to measurable seller acquisition and revenue outcomes.
• Experience working cross-functionally with a broad range of teams, with an ownership mentality.
• Strong negotiation and relationship management skills, with experience engaging at the executive level.
• SaaS, fintech, or payments background strongly preferred.

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, based solely on the core competencies required of the role at hand, and without regard to any legally protected class. We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible.

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