6 Best GEO Agencies in London (2026)
We reviewed GEO agencies in London and ranked them on generative engine optimisation, getting cited by ChatGPT, Claude and Perplexity, published review scores and evidence of real client work. The City, Holborn and Shoreditch hold most of them, with several running a second office in New York or Manchester. Every agency below shows this service on its own site.
Reviewed by Davis Paipa, Founder, Shoptank. Agency data verified 2026-09-17.
| # | Agency | Best for | Location | Rating |
|---|---|---|---|---|
| 1 | NOVOS | Ecommerce AI search visibility | London, United Kingdom | 5.0 (4) |
| 2 | Passion Digital | B2B GEO and paid search | London, United Kingdom | 4.7 (33) |
| 3 | Found. | Cross-platform search and GEO | London, United Kingdom | Not published |
| 4 | Kaizen | Digital PR driven GEO | London, United Kingdom | Not published |
| 5 | Verkeer | Performance GEO for SMEs | London, United Kingdom | Not published |
| 6 | SINE Digital | Live entertainment GEO | London, United Kingdom | Not published |
NOVOS
NOVOS is an employee-owned ecommerce search agency on Liverpool Street in London, with a second office in Sheffield and a stated team of more than 40 co-owners. It was founded in 2018 and rebranded to NOVOS in 2024.
Its services page lists AI visibility as one of four core offerings covering AI search optimisation, citation building, LLM visibility tracking and content built for AI. Its published case study states a client became the number one brand in AI answers in its category, and it holds a 5.0 Clutch rating.
You run a direct-to-consumer or ecommerce brand and want AI visibility tied to revenue rather than rankings.
- Publishes named ecommerce AI search case studies with stated outcomes
- Employee-owned structure with founding year and rebrand date stated on site
- Clear ecommerce specialism rather than generalist positioning
- Only 4 verified Clutch reviews despite an eight-year trading history
- Strong ecommerce focus makes it a weaker fit for B2B or services brands
Passion Digital
Passion Digital is a search-led performance marketing agency at Holborn Tower in London, with a stated team of more than 30 specialists. Its services span SEO, paid media, paid social, conversion work, analytics and a dedicated AI search practice.
Its AI search hub is titled as a GEO agency page and breaks the practice into named sub-services with their own pages, including AI Overviews optimisation, entity optimisation and LLM performance tracking, plus a proprietary deep research offering. It holds a 4.7 Clutch rating from 33 reviews.
You are a B2B or professional services brand that wants GEO layered onto an existing SEO and paid search retainer.
- GEO has a service hub plus individual sub-service pages, not a single catch-all page
- Founding year, London address and team size all published on site
- Solid review base at 33 Clutch reviews
- No pricing on site, and Clutch lists a 5,000 dollar minimum project size
- Team of roughly 30 means less bench depth than the larger London networks
Found.
Found. is a digital marketing agency based at the Johnson Building in Hatton Garden, London, with a second office in New York. It describes itself as an AI-first agency for every search surface and states a team of more than 90 marketing specialists.
Found. maintains separate service pages for GEO, AEO, ChatGPT SEO and Perplexity SEO under its AI SEO hub, with the GEO page listing generative AI result and citation analysis, schema implementation and citable resource creation as named workstreams. Its Clutch profile lists the lowest entry point of the London picks.
You want GEO and AEO treated as separate disciplines with per-platform pages rather than a single bundled AI service.
- The deepest AI search page structure of the London agencies reviewed, with distinct GEO, AEO and per-engine pages
- Team size and both office addresses published on site
- Lowest published minimum project size among the London picks
- Its Clutch profile currently shows zero verified client reviews
- The GEO page carries a self-declared number one claim that is not independently substantiated
Kaizen
Kaizen is a search, digital PR and social agency with offices on Scrutton Street in London and in Manchester, and states a team of more than 40. It describes itself as an AI-enabled search, digital PR and social agency helping brands be discoverable across Google, TikTok and ChatGPT.
Kaizen runs a GEO and AI agency service page with dedicated ChatGPT SEO and Gemini SEO sub-pages, and lists prompt bank building, fan-out analysis, entity mapping and citation-based prospecting as specific methods. Its site names major consumer brands among its clients.
You want AI visibility driven primarily by digital PR and earned citations rather than on-site technical work.
- GEO service page includes engine-specific sub-pages for ChatGPT and Gemini
- Founding year, team size and both UK office addresses published on site
- Established digital PR reputation, which maps directly to AI citation building
- No Clutch profile found, so there is no third-party verified rating to check
- The GEO page shows client logos but no quantified case study results or pricing
Verkeer
Verkeer is a performance digital marketing agency on Bush Lane in London, with a second office in Dubai. It works across organic search, paid search, paid social, analytics and conversion work for sectors including finance, ecommerce, legal, sport and healthcare.
Verkeer publishes a generative engine optimisation page under its main services menu listing seven named workstreams, including LLM prompt visibility, credibility signalling and content clustering with entity optimisation. Its about page states 12 years of operation and an average client relationship of five years.
You want a mid-sized London performance agency that treats GEO as an extension of an ROI-measured organic programme.
- GEO sits in the main services navigation with seven distinct named workstreams
- London and Dubai office addresses published on site
- Google Partner agency with a stated five-year average client relationship
- Its Clutch profile shows no verified client reviews, so there is no third-party rating
- The GEO page publishes no case study results or pricing specific to GEO work
SINE Digital
SINE Digital is a search and media agency on the Strand in London, with a New York office on West 42nd Street. It was founded in 2017 out of the music industry and specialises in live entertainment including music, theatre, venues and arts institutions, having since expanded into sport, fashion, hospitality and travel.
Its AI SEO page names technical GEO, AI and AEO audits, and LLM visibility and reporting as distinct services, alongside AI share of voice tracking. It is the only pick here with a declared sector specialism in live entertainment and ticketing.
You sell tickets, events or experiences and need AI search visibility from a team that knows that demand cycle.
- Clear sector specialism in live entertainment, music and arts rather than generalist positioning
- Founding year and both London and New York addresses published on site
- Names GEO, AEO and technical GEO as separate service components
- No Clutch profile found, so there is no third-party verified rating or published minimum
- Narrow sector focus makes it a weaker fit for B2B SaaS or industrial brands
How we ranked these agencies
- Whether GEO is a named service on the agency's own site, not a blog topic
- Third-party review score on Clutch, GoodFirms or G2 where published
- Named services and a clear, public description of the offer
- Company longevity and team size
- Fit for enterprise versus small and mid-size brands
- Pricing transparency
- Evidence of real, named client work
Every agency listed is real and operating. Founding years, ratings and services come from the agency website or a third-party review platform, verified 2026-09-17. Where a figure is not published, the page says so rather than estimating.
Why work with a GEO agency in London
London agencies give AI search the deepest page structure anywhere in this directory. Several publish separate GEO, AEO and per-engine pages for ChatGPT, Gemini and Perplexity rather than one bundled AI service.
Digital PR is the common thread. Several of the strongest here came from PR or earned media, which maps directly onto the citation building that AI visibility depends on.
Published minimums run from 1,000 dollars to 5,000 dollars per project, noticeably lower than New York.
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