Stephen Oneill
Vice President Marketing at Montonio
Based in London, United Kingdom
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Seniority
Vp
Department
Advertising & Marketing
Location
London
Industry
Financial Services
Company size
73
Contact information
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s•••••••@montonio.com
Phone
5 credits+44 ••• •••• ••••
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Background
About Stephen Oneill
As a growth-focused marketing leader, I specialise in helping fast-growing startups scale revenue, accelerate customer acquisition, and unlock their next growth stage. Over the past 9+ years, I’ve led marketing and GTM strategies for high-velocity fintech and SaaS companies, transforming early traction into measurable revenue and building repeatable, scalable growth engines. Notable Wins: Scaled revenue from £500K to £5M+ in 24 months through full-funnel optimisation 10x’d lead generation via inbound & outbound engine buildouts Increased marketing-driven revenue from <£100K/year to £10M+ Built and led global teams across growth, marketing, sales, demand gen, product marketing & RevOps Expertise: Growth Strategy | Demand Generation | GTM Planning & Execution | Marketing Ops | Sales Enablement | MarTech | RevOps | Budget Ownership | Fintech & SaaS I thrive in fast-paced, ambiguous environments where speed, experimentation, and focus on ROI matter. Whether launching in new markets, creating a high-performing team or pivoting GTM strategy, I bring the playbook to scale.
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