AI SEO cost UK [2026]: what to actually budget

"How much does AI SEO cost?" is the question every UK marketing director asks before the second meeting. The honest answer is "it depends on what you're actually buying", and the market is currently flooded with packages priced as though they were the same thing when they are very much not.

This is the price map, based on what we see across the UK GEO market in mid-2026 and what each tier actually delivers.

The four real tiers

**Tier 1: DIY plus tooling. £100-300/month.** A few monitoring tools (Otterly, the free AVO Visibility Index, Bing Webmaster Tools) plus your existing team's time. Honest answer: this works for brands with strong in-house SEO and a real entity foundation. It will not work if your category is contested or your entity is unclear.

**Tier 2: Productised AI SEO packages. £500-1,500/month.** Templated audits, recurring content drops, schema add-ons. Reasonable starting point for early-stage businesses and local services. Will move your visibility from invisible to baseline. Will not get you cited in competitive UK B2B categories.

**Tier 3: Mid-market GEO programmes. £2,500-6,000/month.** Full four-dimension work: entity, interpretability, authority, intent. A named senior practitioner, weekly probes, custom artefact production, third-party corroboration outreach. This is where measurable category presence happens for most UK B2B brands. AVO's mid-market programmes sit in this band.

**Tier 4: Enterprise and contested categories. £8,000-25,000/month.** Multi-market, multi-language, multi-brand. Dedicated team, custom monitoring, integration with paid search and PR. Required for finance, healthcare, legal, enterprise SaaS and any category where the top three brands are actively investing in AI visibility.

What changes the right tier for you

Four variables move the answer:

• **Category competition.** Local trades: Tier 2 is usually enough. UK B2B SaaS: Tier 3 is the floor. Regulated industries: Tier 4 or you lose.
• **Entity baseline.** A brand with a clean Google knowledge panel and Wikipedia presence starts ahead. A brand with three name variants and no schema starts behind and needs 2-3 months of foundational work that's the same cost regardless of tier.
• **Existing SEO maturity.** Strong technical SEO halves the time-to-first-citation. Weak technical SEO adds 2-3 months and £5-10K of remediation.
• **In-house capacity.** Teams with senior content and SEO people can absorb a lot of the programme. Teams without need an agency to do more, which costs more.

Red flags in cheap packages

The under-£500/month "AI SEO" packages we have audited consistently include:

• Generic blog content with no entity work and no schema
• "AI optimisation" that is keyword stuffing with "ChatGPT" added to old SEO copy
• llms.txt files as the headline deliverable (helpful, not the lever)
• Monthly reports that measure traffic instead of AI citation rates
• No baseline probe and no measurement of the actual outcome (AI inclusion)

If the package does not include a live probe across ChatGPT, Gemini, Perplexity and Claude, you cannot tell whether it is working. Walk away.

What honest pricing looks like

For a UK B2B with a £40-80M revenue and a contested category, the right floor is £3-5K/month for the first six months (foundational entity, authority and artefact work), then £2-3K/month ongoing for monitoring and iteration. Smaller businesses can run leaner; enterprise needs more.

ROI breakeven typically lands at month 4-6 in our engagements, because AI-sourced traffic converts at 2-3x the rate of paid traffic (the buyer has already been pre-qualified by the AI's recommendation). Once the engine is running, the cost per qualified lead is materially lower than paid search in most B2B categories.

How to scope your own budget

Run the free AVO Visibility Index first. The dimension scores tell you which tier you actually need:

• Score 0-30: structural problems. Tier 3 or above is the only honest answer.
• Score 30-60: foundations partly in place. Tier 2 or Tier 3 depending on category.
• Score 60-85: good baseline. Tier 2 plus targeted work on the weakest dimension.
• Score 85+: optimisation mode. Tier 1 plus selective expert input.

The right budget is the one matched to the work you actually need, not the tier the vendor wants to sell you.