Best AI SEO tools UK [2026 review]: what we actually use

The AI SEO tool market exploded in 2025. By mid-2026 there are over 80 vendors claiming to "optimise for ChatGPT". We tested 14 of the most-cited ones across six UK client engagements and tracked actual movement in AI inclusion rates over 90 days.

This is what works, what doesn't, and the stack we now run on every AVO account.

The category, honestly

No single tool gets you cited by ChatGPT. The category is genuinely useful for diagnosis, monitoring and content QA, but the work that moves visibility is structural — entity, schema, authority, intent — and structural work needs a person.

With that caveat in place, here is the stack ranked by actual contribution to measured outcomes.

Tier 1: tools that materially moved client results

**AVO Visibility Index** (free). Live probe across ChatGPT, Gemini, Perplexity and Claude with the dimension breakdown. We use it on every audit because it returns the four-dimension score in 60 seconds and the priority actions are specific to the brand. Bias acknowledged — it's ours — but it remains the only free UK-focused live-probe tool we know of.

**Profound** (~$500/mo). Continuous monitoring of brand mentions across the major LLMs with sentiment and competitor tracking. Worth it for brands with active programmes where weekly visibility movement matters. Less useful for diagnosis-only engagements.

**Schema App** (~$300/mo). Enterprise schema management. Genuinely moves entity clarity at scale. Overkill for sites under 200 pages; essential above 2,000.

Tier 2: useful but narrower

**Otterly.ai** (~$70/mo). Lightweight prompt tracking. Good entry point if budget is tight and you only need to monitor 50-100 prompts. Less depth than Profound but a quarter of the cost.

**Peec AI** (~$200/mo). Strong on competitor sentiment analysis specifically. Useful if you're in a hotly-contested category and need to understand why competitors are being preferred.

**Surfer SEO** (~$90/mo). Traditional SEO content tool, but the recent AI-overview features genuinely help with answer-artefact density. We use it for content briefing.

Tier 3: did not move the needle

We will not name-and-shame, but five of the 14 tools tested either produced no measurable change in AI inclusion rates, double-counted improvements that were actually from other work, or generated content that demonstrably hurt entity coherence. As a category to be wary of: tools that promise to "rewrite your site for AI" without touching schema or third-party corroboration.

The stack we actually run

For a typical UK B2B client at £3-5K/month:

• AVO Visibility Index (free) — weekly probe and dimension scoring
• Profound (£400/mo) — continuous LLM monitoring
• Schema App or Schema.dev (£200-300/mo, depending on site size)
• Bing Webmaster Tools (free) — non-negotiable for ChatGPT Search
• Google Search Console (free) — for AI Overviews tracking
• A senior practitioner doing the entity, authority and intent work the tools cannot do

Total tooling spend: £600-700/month. Total programme cost: the rest. The ratio matters. Programmes that flip this (heavy tooling, light human work) consistently underperform.

How to choose if you're starting from scratch

Run the free AVO Visibility Index first. If the score is below 40, you do not have a tool problem — you have a structural problem and no tool will fix it. If the score is 40-70, add Profound or Otterly to monitor improvement. If the score is above 70, add Schema App to scale entity clarity across your catalogue.

The best AI SEO tool is the one that surfaces the right next action. Everything else is noise.