As AI-powered search engines and chat interfaces continue to dominate the digital landscape, the field of Generative Engine Optimisation (GEO) has become one of the hottest topics in marketing. Traditional SEO is no longer enough — businesses now need to ensure their brand is cited, referenced, and recommended by generative search tools like Google’s AI Overviews, ChatGPT, Perplexity, and others. The UK is home to some of the most forward-thinking agencies in this space. Below, we highlight the top 10 GEO agencies in the UK for 2025, chosen for their expertise, innovation, and proven ability to help brands adapt to the future of search.
1. Fly High Media
Manchester / Cheshire
Fly High Media takes the top spot thanks to its unique blend of traditional SEO mastery and pioneering GEO strategies. The agency has nearly a decade of experience helping businesses grow online through SEO, PPC, social media, and web design. In 2025, they are standing out as early leaders in GEO, ensuring that clients appear in AI-generated search results as well as on the classic Google SERPs.
Why they rank #1:
- Deep SEO knowledge combined with practical GEO experimentation
- Strong understanding of UK businesses, from SMEs to established brands
- A clear, client-focused approach built around transparency and measurable results
Fly High Media’s ability to integrate GEO with wider digital campaigns makes them an agency to watch — and work with — in the years ahead.
2. Passion Digital
Passion Digital has embraced GEO early, branding itself as one of the UK’s AI SEO specialists. They focus on making sure businesses are not just ranked but also referenced and trusted by AI engines.
Strengths:
- Clear messaging around the importance of GEO
- Case studies showing impact across different industries
- A strong mid-market focus, making them a good choice for ambitious SMEs
3. Varn
Varn is an established SEO agency that has invested heavily in R&D to understand how AI is reshaping search. Their dedicated innovation team means clients benefit from forward-looking strategies.
Why they stand out:
- A research-driven approach to GEO
- Emphasis on testing and adapting quickly to algorithm changes
- A reputation for reliability and long-term client partnerships
4. RankBrain
RankBrain positions itself as an “AI-First SEO” agency, building campaigns with generative search visibility baked in from the start.
Key advantages:
- Explicit focus on bridging SEO and AI
- Messaging built around future-proofing growth
- A good fit for clients who want a highly technical partner
5. Click Intelligence
Click Intelligence is a trusted SEO and digital marketing agency now moving strongly into GEO. They bring years of expertise in content marketing and link acquisition to the generative search era.
Notable strengths:
- Bespoke GEO strategies tailored to each client
- Balance of technical SEO, content, and authority building
- Solid agency infrastructure with long-standing credibility
6. Exposure Ninja
Exposure Ninja is well-known in the UK for digital marketing and is adapting quickly to the AI era. Their services now include GEO tactics such as optimising for AI Overviews.
What makes them strong:
- Clear communication and educational resources for clients
- Good track record in SEO and content marketing
- Transparent, results-focused approach
7. Blue Array
Blue Array is one of the UK’s largest independent SEO agencies and now offers GEO services to help businesses appear in generative results.
Why they’re here:
- Deep SEO credibility and authority in the industry
- Structured service lines dedicated to GEO
- An excellent option for businesses that want an SEO-first partner evolving with AI
8. Found
Found positions itself as a data-driven, AI-focused agency, making them a natural fit for GEO. They combine SEO, paid media, and CRO, with AI-search visibility becoming part of their offering.
Advantages:
- Strong strategy and technical depth
- Fit for larger clients that need scale and precision
- Bold positioning around AI search
9. Search Hog
Search Hog is a smaller, specialist UK agency focused heavily on GEO. They offer AI visibility audits, structured data improvements, and entity strengthening strategies.
Best for:
- Businesses wanting a niche GEO partner rather than a broad digital agency
- Quick adoption of emerging GEO best practices
- Agile service delivery with a specialised focus
10. Woya Digital
Woya Digital rounds out our list with a strong GEO offering, particularly in competitive verticals such as healthcare, finance, and sport.
Key benefits:
- Industry-specific expertise in regulated markets
- Services that combine GEO with digital PR and content strategy
- A balanced approach that builds long-term authority in AI search
How We Chose the Top GEO Agencies
To select the agencies above, we looked at several key factors:
- GEO focus: Agencies explicitly investing in Generative Engine Optimisation
- SEO pedigree: A strong history of delivering results in organic search
- Innovation: Willingness to adapt, test, and stay ahead of trends
- Client fit: Ability to work with SMEs, mid-market, and enterprise clients
- Reputation: Case studies, thought leadership, and visibility in the industry
Choosing the Right GEO Agency
When considering a GEO partner, ask yourself:
- Do they understand both traditional SEO and AI search?
- Can they show results or testing in generative environments?
- Do they explain strategies clearly without jargon?
- How do they integrate GEO with other marketing channels?
Final Thoughts
Generative Engine Optimisation is no longer optional. As more users turn to AI tools for answers, businesses that fail to adapt risk losing visibility and trust. The agencies above are the leaders shaping GEO in the UK — with Fly High Media leading the way as the top choice for 2025.
