Fractional CMO Strategic Marketing Leadership for Scaleups in the UK & US
Executive-level marketing leadership for growth businesses (£10m–£50m+ revenue), preparing for scale, funding, or complexity.
With OSER as your Fractional CMO, you get executive-level marketing leadership tailored for scaleups in the UK and US, without the full-time CMO cost.
What is a Fractional CMO?
A Fractional CMO blends traditional marketing leadership with advanced AI tools, generative research, intelligent content systems and data-led frameworks. It gives you the strategic direction of a CMO, the efficiency of AI-driven insight, and the flexibility of a fractional engagement.
Why Scaleups Choose OSER
EXPERT STRATEGY WITHOUT THE £150k+ COMMITMENT
Access CMO-level thinking, clarity and leadership at a fraction of the cost.
BUILT FOR UK + US GROWTH COMPANIES
Your market, competition and customer expectations are unique. OSER understands how UK and US founders scale.
AI-NATIVE MARKETING LEADERSHIP
Marketing has changed. We help you build strategies optimised for AI, buyer behaviour, and the new content landscape.
BRAND AND GROWTH COMBINED
Brand without growth fails. Growth without brand burns out. OSER integrates both into one coherent system.
CLEAR FRAMEWORKS, DATA AND ACCOUNTABILITY
No fluff. No jargon. You get structure, reporting, KPIs and clarity for you and your team.
What you get with an OSER Fractional CMO
Strategic Marketing Leadersihp (1-10 days per month)
High-level thinking, direction and oversight designed to drive measurable commercial outcomes for Series A+, post-product market fit, £10m+ businesses.
AI-driven growth and content strategy
Positioning, messaging and content systems designed for modern search and AI-powered recommendation engines.
Brand positioning and story development
We help you sharpen who you are, what you stand for, and why customers should choose you now.
Creative direction and campaign oversight
From brand refreshes to performance campaigns - we bring clarity, creative structure and strong executional leadership.
Marketing team structure and recruitment
Build the right team at the right time with senior oversight and guidance.
Solving key scaleup business issues
Performance marketing growth plateau, future brand positioning, hiring confusion, investor pressure or international expansion.
When you should consider a Fractional CMO
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You’re scaling and your marketing has hit a ceiling.
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You don’t have senior marketing leadership but need strategic direction.
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Your brand and growth efforts feel disconnected or inconsistent.
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You’re preparing for fundraising or entering a new market.
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You need experienced oversight without hiring a full-time CMO.
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Your marketing spend is increasing but results are plateauing.
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You want to integrate AI tools and modern content models into your strategy.
Why OSER?
OSER was founded by Laura Derbyshire, an experienced marketing leader who has worked across brand, growth and creative strategy for fast-growth companies.
As a Fractional CMO and NED, she built and led marketing at Citywire across the UK and US, consolidating their global brand and developing a growth strategy across events, digital and magazines. She now supports founders, CEOs and investors who need strategic clarity and creative leadership to scale.
“Laura's impact is extraordinary. A really good communicator and quick to implement her ideas. A real force for good”.
DAVID TURNER, PARTNER CITYWIRE.
Strategic + creative thinking
GROWTH
INSIGHT
