ABOUT
Fernbank is a Doncaster-based search agency combining Google Ads and AI Engine Optimisation into one connected discipline. We work with ecommerce and lead generation brands across the UK, EU and internationally.
FOUNDER
Si Lewis
Si Lewis has run Fernbank for six years, personally managing over £5M in ad spend for ecommerce and lead generation brands. He holds Google Partner certification and leads Fernbank’s AI search visibility programme.
Based in Doncaster, working with brands across the UK, EU and beyond.
WHAT SETS US APART
Fernbank is a certified Google Partner with over £5M in personally managed ad spend. We were early to offer AI Engine Optimisation as a standalone service, and we charge flat monthly retainers — no percentage-of-spend fees and no hidden costs.
• Google Partner. Certified on the platform that matters most for paid performance.
• £5M+ managed spend. Pattern recognition at a scale a junior freelancer can’t match.
• AI-first positioning. Ongoing research into how AI engines choose their answers.
• Flat monthly fees. No percentage-of-spend incentives. No smoke.
THE THESIS
Search today isn’t just Google. It’s ChatGPT, Gemini, Perplexity and the handful of engines coming next. Your buyers don’t care which surface delivers the answer — only that your brand is in it.
Search Ownership is the discipline of showing up, consistently, across every surface your buyers use. Paid captures the demand that exists today; AI visibility engineers the demand forming inside AI answers. Together they compound.
We built the whole agency around making them run as one.
HOW WE OPERATE
Honest before clever
We tell clients what isn’t working before we tell them what we’ll do about it. Plain English, always.
Performance over theatre
No vanity decks. No exported PDFs. Real dashboards, real numbers, real accountability.
Selective by design
We turn down more work than we take on. Fit matters more than fee — it’s the only way we stay sharp.
Built for what’s next
AI search is changing how people find brands. We’re building for the search engines that will exist in two years, not the ones we knew two years ago.
If you’re tired of agencies who talk more than they ship, book a 30-minute call. We’ll tell you honestly whether we can help.