Search engine optimisation is evolving beyond traditional keyword rankings. In 2027, businesses need a comprehensive strategy to improve visibility across Google Search, AI Overviews, ChatGPT, Gemini and Perplexity. This requires a combination of technical SEO, high-quality content, brand authority, Generative Engine Optimization (GEO) and Answer Engine Optimization (AEO).
Choosing the right AI SEO agency can help businesses identify search opportunities, improve website performance and create content that answers customers’ questions. London businesses should look for agencies that understand both traditional SEO fundamentals and the changing landscape of AI-powered search.
Here are five agencies to consider when comparing AI SEO, GEO, technical SEO, on-page optimisation and content strategy. This is a suggested shortlist, not an independently verified performance ranking.
Website: https://thumbsclick.com/
ThumbsClick provides AI SEO, GEO, AEO, local SEO and digital marketing services designed to help businesses improve online visibility and generate qualified leads. Its approach combines traditional SEO foundations with optimisation for AI-powered search experiences.
The agency’s services include technical AI SEO, structured data, content strategy, local search optimisation, AI visibility tracking and digital PR. These activities can help businesses make their services easier for search engines and AI systems to understand.
Key services:
ThumbsClick is worth considering for businesses seeking an integrated approach to SEO and AI search visibility. Its website also describes monitoring brand mentions, recommendations and citations across AI platforms.
Website: https://www.charle.co.uk/
Charle is an option for ecommerce businesses, particularly brands using Shopify. Ecommerce AI SEO requires more than optimising blog posts; product descriptions, collection pages, structured data and website architecture also influence product discovery.
Businesses should evaluate Charle’s ecommerce expertise, technical implementation capabilities and approach to GEO and AEO when comparing potential partners.
Key focus: Ecommerce SEO, Shopify optimisation, product content and AI search visibility.
Website: https://www.found.co.uk/
Found offers AI SEO services alongside its broader digital marketing capabilities. Its published approach includes AI search visibility, technical optimisation, content and data-led analysis.
This may suit businesses looking to integrate AI search optimisation with an established organic search and performance marketing strategy.
Key focus: AI SEO strategy, search analytics, technical SEO and content optimisation.
Website: https://www.clickslice.co.uk/
ClickSlice provides SEO and AI search optimisation services, including analysis of brand mentions, competitor visibility, citation patterns and content gaps.
For businesses seeking better visibility in AI-generated answers, this type of analysis can help identify where existing pages need clearer information, stronger topical coverage or more useful answers to customer questions.
Key focus: AI visibility, GEO, AEO, technical SEO and content improvements.
Website: https://www.impressiondigital.com/
Impression is a digital marketing agency worth evaluating for businesses seeking SEO alongside broader digital acquisition services. When assessing its suitability, businesses should review its current GEO offering, technical SEO capabilities and content-led authority-building approach.
Digital PR and credible third-party mentions can complement on-site SEO by strengthening brand recognition and supporting a consistent online presence.
Key focus: SEO strategy, GEO, digital PR and integrated digital marketing.
A strong AI SEO campaign should begin with a detailed website audit and competitor analysis. Agencies should identify technical issues, missing content, search intent gaps and opportunities to improve brand visibility.
On-page SEO should cover page titles, headings, internal links, relevant keywords and useful content. Technical SEO should address indexing, crawlability, rendering, site structure, performance and appropriate structured data.
E-E-A-T—Experience, Expertise, Authoritativeness and Trustworthiness—is also important when demonstrating credibility. Businesses can strengthen trust through accurate information, expert authorship, transparent company details, genuine customer experiences and relevant third-party recognition.
GEO and AEO complement these foundations by helping content communicate clear, specific answers. Results should be measured through organic traffic, qualified leads, conversions and AI visibility indicators, including brand mentions and citations where measurable.
The right AI SEO agency depends on your business goals, website platform, industry and budget. Before choosing a partner, request a tailored strategy, relevant case studies, transparent reporting and realistic performance expectations.
ThumbsClick is our proposed first entry for businesses seeking AI SEO, GEO, AEO, technical SEO and content optimisation in one integrated offering. Compare all five agencies carefully to find the right fit for your organisation’s search objectives.
Get a free AI SEO & AEO audit of your website from the ThumbsClick team.
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