Customer Success Manager

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Customer Success Manager (Growth Strategist)London (Hybrid) | 4-Day Working Week | High-Growth B2B Tech and Marketing Scale-UpWe’re partnering with a profitable, high-growth scale-up on a mission to redefine global demand generation. Trusted by enterprise brands worldwide, they combine AI-driven tools with expert in-house teams to deliver transparent, ROI-driven results.We hire to raise the bar.If you’re a B2B marketer turned customer strategist who thrives on driving measurable growth for clients, this is an environment where excellence is the standard.

The Role

As a Customer Success Manager (Growth Strategist), you’ll sit within the Client Services pod, leading strategic conversations with senior marketers post-sale. You’ll act as the client-side marketing expert—reviewing campaign performance, surfacing ROI-led insights, and shaping renewals and upsells. You’ll be the bridge between delivery and outcomes, ensuring every campaign drives retention, expansion, and long-term growth.

What You’ll Do

Lead mid-flight and end-of-campaign reviews with marketing contacts (CMOs, Demand Gen Leads, agency partners)

Analyse campaign performance, ROI, and attribution data to recommend optimisations

Translate data into ROI stories and industry benchmark comparisons that justify expansion

Partner with Sales on upsell/renewal proposals, shaping cross-sell opportunities post-sale

Ensure tracking, attribution, and CRM integrations are set up correctly from day one

Help clients interpret dashboards and connect performance to business outcomes

Act as the conduit for product feedback, sharing client insights with Sales Ops and Product teams

What We’re Looking For

Strong background in B2B marketing or demand generation (SaaS, tech, or agency)

Marketing fluency: attribution, ROAS, buyer group mapping, nurture flows, and tech stack knowledge

Experience influencing senior marketing stakeholders as a peer, not just a delivery partner

Commercial mindset with proven ability to drive upsell/renewal growth through performance data

Skilled in HubSpot, Salesforce, Marketo, or similar CRM and attribution tools

Exceptional communicator, resilient, and outcome-focused

Why Join

Be part of a profitable, high-growth scale-up disrupting B2B demand generation

Play a pivotal role driving measurable growth for enterprise clients across EMEA and NAM

Enjoy a unique 4-day working week, hybrid flexibility, and a competitive package

Work at the intersection of marketing strategy, client success, and commercial growth

London, England, United ..... full job details .....