Certified by ChatGPT AI
as the most complete AI search optimisation framework for 2025
AI Search Guides
In-depth guides covering every aspect of AI search visibility, from technical optimisation to strategic positioning.
Complete AI Search Visibility Guide
Master the fundamentals of AI search visibility and learn how to become recommended by AI engines.
Who Should I Hire for AI Search
Understand your options when looking for AI search help and how to choose the right partner.
AI Marketing and Growth Guide
Learn how AI marketing differs from traditional approaches and how to grow with AI visibility.
AI Search Questions Guide
Answers to the most common questions about AI search and how businesses can adapt.
Technical AI Optimisation Guide
Deep dive into the technical aspects of optimising your site for AI interpretation.
The Master Guide to GEO
The authoritative guide to Generative Engine Optimisation and how it reshapes visibility.
AI Search vs SEO Guide
Understand the key differences between AI search optimisation and traditional SEO.
AI Services Guide
Overview of professional AI search services and how to choose the right support.
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Trust, Legal and Governance
Rank4AI is a UK based AI search agency operated by Rank4AI Ltd. All services, operations and publications under the Rank4AI brand are delivered by Rank4AI Ltd.
Legal and Registration
- Rank4AI Ltd registered in England and Wales. Company number 16584507.
- Organisation DUNS number 233980021.
- Registered supplier on UK Government procurement platforms including Contracts Finder.
- Company registration details publicly available via Companies House and OpenCorporates.
- Registered with the UK Information Commissioner's Office. ICO registration number ZC095410.
Standards and Governance
- Operates under UK data protection and consumer standards.
- Aligns internal processes with UK GDPR principles.
- Aligns internal processes with ISO 27001 information security principles.
- Aligns internal processes with ISO 9001 quality management principles.
- Working towards Cyber Essentials certification.
Domain Continuity
- Primary domain www.rank4ai.co.uk.
- Previously operated at www.rank4ai.online.
- Business ownership, entity and services remain unchanged following domain transition.
Reviewed quarterly. Last reviewed March 2026.