Published 13 Aug 2026 · Updated 24 Aug 2026

Answer Engine Optimisation (AEO): The Complete Guide for UK Businesses (2026)

Jamie
By Jamie Founder & Director
Answer Engine Optimisation: the complete guide
OUTLINE OF CHAPTERS

Someone asked ChatGPT for a recommendation in your industry this morning. An answer came back, three or four businesses got named, and a buying decision started forming. Were you in it?

That is the question this guide answers. For twenty years, digital visibility meant ranking in Google’s blue links. That game still matters, but a second one has opened alongside it: being cited and recommended inside AI-generated answers on ChatGPT, Google AI Overviews, Perplexity and Gemini. Winning that second game is Answer Engine Optimisation, or AEO.

We run AEO programmes for real UK clients, from biotech to construction to professional services, and this guide is what we have learned doing the work: what AEO is, how engines choose sources, the seven things that move the needle, what is snake oil, what it costs, and a 30-point checklist you can start this week.

Key takeaways

  • Answer Engine Optimisation (AEO) is about getting your business cited inside AI answers on ChatGPT, Google AI Overviews, Perplexity and Gemini, not ranked in blue links.
  • AI engines choose sources through retrieval: they search the live web, so crawlability, structure and authority decide who gets quoted.
  • The click economy is shrinking. Pew found users click a traditional result in just 8% of searches that show an AI summary, versus 15% without one.
  • Seven pillars do the heavy lifting: entity clarity, liftable answer blocks, schema, technical access, E-E-A-T, consistency and freshness.
  • Nobody can guarantee AI citations. Anyone who promises them is selling something that does not exist.
  • Entity fixes show results in weeks. Authority building takes months. Both compound.

What is Answer Engine Optimisation (AEO)?

Answer Engine Optimisation (AEO) is the practice of structuring your content so AI answer engines like ChatGPT, Google AI Overviews, Perplexity and Gemini can pull from it and cite your business directly in their answers. Instead of chasing a ranking position, AEO focuses on being the clear, trusted, quotable source an AI reaches for when someone asks a question.

That is the whole discipline in two sentences. Everything else in this guide is the how.

The shift behind it is simple. Someone asking ChatGPT or reading an AI Overview does not see ten links. They see one answer, with a handful of named sources and brands inside it. There is no page two. You are either part of the answer or absent entirely.

AEO vs SEO: what’s actually different

SEO earns you a position on a results page and competes for the click. AEO earns you a mention inside a generated answer, where there is often no click at all. The tactics overlap, the goals do not.

SEO v AEO
SEOAEO
GoalRank in Google’s blue linksGet cited and recommended inside AI answers
SurfaceSearch engine results pagesChatGPT, AI Overviews, Perplexity, Gemini
Unit of successA position, then a clickA mention in the answer itself
Core leversKeywords, backlinks, technical SEOEntities, schema, liftable answers, source authority
TimescaleMonths to rank competitivelyWeeks for entity fixes, months for authority
MeasurementRank trackers, GSC, organic trafficPrompt testing, AI referrals, citation logging

The important nuance: AEO does not replace SEO. Google’s AI Overviews are built on Google’s index, so traditional ranking strength feeds AI visibility directly. Most businesses winning in AI answers had strong search fundamentals first. We run both sides for clients; the traditional half is covered by our SEO service.

AEO vs GEO: two acronyms, one job

You will also see the term GEO. Generative Engine Optimisation (GEO) is optimising your brand to be the source that generative AI models build their answers from. Where AEO focuses on getting cited in a direct answer, GEO works on the deeper layer: making sure large language models understand who you are as an entity, associate you with the right topics, and treat your content as authoritative enough to generate responses about.

In practice, AEO and GEO overlap heavily, which is why we run them as one AI search programme rather than two separate jobs. Being citable is pointless if the model does not trust your brand, and being a trusted entity is wasted if your content cannot be quoted. In this guide, AEO means the combined discipline. Do not let anyone charge you twice for the same work under two names.

How do AI engines actually choose what to cite?

Mostly through retrieval: when you ask a question, the engine runs live searches against a web index, pulls a set of candidate pages, and builds its answer from whichever sources are clearest, most authoritative and easiest to quote. Understanding that mechanic is the difference between doing AEO and doing superstition.

There are two layers to how an engine “knows” things:

  1. Training data. What the model absorbed when it was built: what your company is and what it is known for. You influence this slowly, through consistent presence across the web.
  2. Retrieval. What the engine fetches from the live web at the moment of the question. This is where citations come from, and where most practical AEO work happens, because it responds to changes you make this quarter.
Diagram of how AI engines source answers: training data and live retrieval feeding one generated answer

Each engine handles retrieval differently, and the differences decide where you spend effort:

EngineHow it sources answersWhat that means for you
ChatGPT (with search)Blends training knowledge with live web retrieval, then cites the retrieved pagesBe indexable and quotable on the open web. Bing indexation matters more than most realise.
Google AI OverviewsGenerated from Google’s index, leaning on pages that rank for the query and its sub-queriesTraditional Google SEO strength feeds citations directly. Structured pages that rank get lifted.
PerplexityRetrieval-first, own crawler and index, cites sources on every answerThe most “SEO-like” engine. Clean crawl access plus clear answers convert to citations fastest.
GeminiGoogle’s index plus Knowledge Graph groundingEntity signals matter most. Your Google Business Profile and schema do heavy lifting.

Three conclusions follow. There is no single “AI algorithm”, so we test all four engines for every client. Engines can only cite what they can crawl and parse. And they prefer sources that have already done the work: a question-shaped heading with a clean 50-word answer underneath is far easier to lift than a page that takes 400 words to get to the point.

Why does AEO matter now? The numbers behind the shift

Because AI answers already intercept a meaningful share of UK search behaviour, and the trend only points one way. The shift is measurable today, so here are the numbers we actually trust.

UK adoption is mainstream, not niche. Ofcom found ChatGPT clocked 1.8 billion UK visits in the first eight months of 2025, up from 368 million in the same period of 2024, nearly a fivefold jump. Around 30% of Google searches now show an AI Overview, and 53% of UK adults say they see these summaries often (Ofcom, 2025).

AI Overviews are eating clicks. Pew Research Center tracked real browsing behaviour and found users clicked a traditional result in just 8% of searches showing an AI summary, versus 15% without one. Links inside the summaries were clicked in just 1% of visits (Pew Research Center, July 2025). Ahrefs reached a similar conclusion from the other direction: an AI Overview correlated with a 34.5% lower click-through rate for the top-ranking result (Ahrefs, April 2025).

Zero-click is becoming the default for informational queries. Similarweb data shows news-related searches ending without a click rose from 56% to 69% in the year after AI Overviews launched, while ChatGPT referrals to publishers grew 25x (Similarweb, 2025).

Our honest framing: SEO is not dead. Google still sends vastly more total traffic than every AI engine combined. But the SERP is being reshaped underneath you, the surviving clicks are fewer and higher-intent, and a new kind of visibility, being the brand named in the answer, is being won right now by whoever moves first in each niche. In most industries we work in, that contest is still wide open.

What actually moves the needle? The seven pillars of AEO

Seven things, in roughly this order: entity clarity, liftable answer blocks, schema markup, technical access, citable authority, consistency across the web, and freshness. Everything that works in AEO fits under one of these pillars. Everything that does not is probably noise.

Pillar 1: Entity clarity, or being unambiguously you

Before an AI engine can recommend you, it has to know, without ambiguity, who you are, what you do and where you do it. That sounds trivially easy. It is the most common thing we find broken in audits.

A real example, anonymised. We ran an AEO programme for a UK client sharing a name with a much larger overseas company in an adjacent industry. Ask an AI engine about our client and the answer came back confidently wrong: the bigger company’s products, its headquarters location, sometimes the two businesses stitched into one fictional hybrid. No amount of content production would have fixed that, because the problem was not content. The model could not tell the two entities apart.

The fix was unglamorous and effective. We rewrote the About page to state plainly who the client is, where it is based, and what it does and does not do. We implemented Organization schema with sameAs links to every official profile, made the name, description and location identical across the website, LinkedIn, Google Business Profile and Companies House, and added disambiguating context to key pages. Within weeks, the engines started answering questions about the right business.

Do this: ask ChatGPT, Perplexity and Gemini “who is [your business name] and what do they do?” today. If any answer is wrong, vague or confused with someone else, entity clarity is your first job. Fix the About page first.

Pillar 2: Liftable answer blocks

AI engines quote content that is already shaped like an answer. The most reliable pattern we have found for earning citations is the liftable answer block: a question-led heading, a 40-60 word direct answer immediately beneath it, then supporting depth.

You have been reading them throughout this guide: every H2 above opens with the answer before the explanation. That is the mechanic working in front of you.

Anatomy of a liftable answer block: question-led heading with a front-loaded 40-60 word answer

The rules that make a block liftable:

  • Question-led headings, phrased the way buyers actually ask. “How much does a new website cost?” beats “Our pricing philosophy”.
  • Front-load the answer. The first paragraph should answer the heading completely in 40-60 words, quotable on its own.
  • One idea per section. Engines extract passages, not pages. A section covering three ideas gets quoted for none.
  • Answers that stand alone. No “as mentioned above”. A lifted paragraph loses its context.
  • Tables for comparisons. X-vs-Y questions get answered with tables, and engines lift tables cleanly.

This structure is also just better writing for humans. If you are planning a new site anyway, bake the structure in from day one rather than retrofitting it. A redesign is the cheapest AEO project you will ever run, and we wrote a full guide on redesigning without losing your rankings. It is how we build every project on the web design side of Grizzly now.

Do this: take your highest-value service page, list the five questions a buyer would ask, and restructure it as five question-led sections with front-loaded answers.

Pillar 3: Schema markup that machines actually read

Schema markup is structured data that tells machines explicitly what your content is. It removes guesswork, and engines reward content they do not have to guess about. Four types do most of the AEO work:

  • Organization (site-wide): name, logo, address, and crucially sameAs links to your official profiles. Entity clarity made machine-readable, and the highest-value block on this list.
  • FAQPage on question-led pages, with answer text exactly matching what is visible. Parity matters.
  • Service (or Product) on commercial pages, tying each offering to your organisation and service areas.
  • Article on guides and posts, with a named author and honest dates.

Now the honest part: schema does not make weak content citable. It is a clarity layer over content that already deserves citation, not a cheat code. We have seen sites stuffed with fourteen schema types lose out to competitors running clean Organization and FAQ markup over genuinely useful pages.

Do this: validate your markup in Google’s Rich Results Test, fix errors before adding anything, then implement the four types above in order. If you only do one, do Organization with complete sameAs links.

Pillar 4: llms.txt and technical access for AI crawlers

If AI crawlers cannot reach and parse your content, nothing else in this guide matters. Technical access is pass or fail, and failing silently is common. Start with the crawlers your robots.txt lets in:

Table of AI crawlers including GPTBot, ClaudeBot and PerplexityBot, and whether to allow them
CrawlerOperatorWhat it feedsBlock or allow?
GPTBotOpenAIModel training dataAllow for most businesses. Training-data presence is long-term brand visibility.
OAI-SearchBot / ChatGPT-UserOpenAIChatGPT search and live retrievalAllow. Blocking these removes you from ChatGPT answers directly.
ClaudeBotAnthropicClaude training and retrievalAllow.
PerplexityBotPerplexityPerplexity’s own indexAllow. Perplexity cites sources on every answer, so this is pure upside.
Google-ExtendedGoogleGemini model trainingAllow. Blocking it does not remove you from AI Overviews, which run off normal indexing.

Our position: unless you monetise genuinely proprietary content, allow them all. We have audited more than one site whose security plugin was silently rejecting every AI bot while the owner wondered why ChatGPT had never heard of them.

The second issue is rendering. Most AI crawlers do not execute JavaScript, so content that only exists after client-side rendering may be invisible to them. Server-side render anything you want cited.

Then there is llms.txt: a proposed standard, a plain-text file at your site root giving AI systems a curated map of your key pages. Honest take: as of early 2026, no major engine has publicly confirmed using it, and we have never seen it move a result on its own. It takes twenty minutes and carries zero risk, so we add it everywhere. Anyone selling llms.txt as a strategy is selling you a text file.

Do this: check robots.txt and any security plugin for AI bot rules today, view source on key pages to confirm content is in the raw HTML, and add llms.txt while you are there.

Pillar 5: E-E-A-T and citable authority

AI engines are built to prefer trustworthy sources, and they estimate trust the way a sceptical human would: by checking whether the wider web corroborates you. E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) stopped being an abstract Google guideline the day it became the filter for who gets quoted.

The signals that matter most:

  • Reviews. Volume, recency and rating on Google above all. When someone asks for “the best X near me”, review data visibly shapes the shortlist. This is why we point at our 100+ five-star Google reviews so often: it is corroboration machines can read.
  • Author identity. Content attributed to a named human with real credentials outperforms anonymous content. Engines weigh who said it, not just what was said.
  • Third-party mentions. Press, industry directories, partner pages, professional bodies. Every credible surface describing you consistently is another vote that you are who you claim.
  • The listicle layer. For “best [service] in [city]” questions, engines lean heavily on existing roundups and directories rather than assembling their own list. Getting into the roundups that already rank in your niche is one of the highest-leverage AEO moves available.

What does not work: buying mentions from link farms rebadged as “AI authority networks”. Authority you would have been embarrassed to buy for SEO in 2018 is equally worthless now.

Do this: search “best [your service] [your area]” in Google and Perplexity, list every roundup and directory that appears, and start genuine outreach to the ones you deserve a place in.

Pillar 6: Consistency across the web

Every public description of your business should tell the same story: same name, same location, same services, same claims. Local SEO veterans will recognise this as NAP consistency. AEO raises the stakes, because language models resolve conflicting information by hedging, guessing or omitting you entirely.

Your website says one thing, your three-year-old LinkedIn page another, and your Google Business Profile lists services you dropped in 2023. None of these alone is fatal. Together they make you a fuzzy entity, and fuzzy entities do not get confidently recommended.

The audit is tedious and worth it: line up your About page, Google Business Profile, LinkedIn, Companies House record and key directories, and make them agree on exact name, what you do, where you are based, areas served and founding date. That last one sounds trivial, but “how long have they been going” is a trust question engines answer often, and we have watched them answer it wrongly from a stale directory listing.

One habit makes this cheap: write a canonical 50-word description of your business once, and paste it everywhere a description is asked for.

Do this: this week, put your About page, GBP and LinkedIn side by side and fix every disagreement. That trio does more entity work than the next twenty directories combined.

Pillar 7: Freshness and maintenance

AI engines re-crawl, re-retrieve and re-evaluate constantly, which means AEO visibility is rented, not owned. Content that earned citations in March can silently drop out of answers by September if it goes stale while a competitor’s fresher page appears.

The upside is underrated: because retrieval is live, improvements show up faster than old-school SEO trained you to expect. We have seen restructured pages appear in Perplexity citations within days of a re-crawl.

What freshness means in practice:

  • Dates that tell the truth. Visible published and updated dates, matched in Article schema. Engines prefer recent sources, and “best X in 2026” queries are everywhere.
  • A quarterly revisit of money pages. Check facts, refresh examples, update anything superseded. A meaningful update, not a cosmetic date bump.
  • Pruning. Outdated pages actively feed engines wrong answers. A live page for a discontinued service means AI keeps recommending it. Retire, redirect or rewrite.
  • Standing questions, updated answers. Own each question permanently and keep the answer current, rather than publishing competing “2025 guide” and “2026 guide” pages.

Do this: put a quarterly review of your ten most commercially important pages in the calendar now. Thirty minutes per page, four times a year, is the entire maintenance burden for most SMEs.

The 30-point AEO checklist you can start this week

Work through this in order within each category. Most UK businesses we audit score under 10 out of 30 on first pass.

30 points

Technical (8 points)

  1. robots.txt allows GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot and Google-Extended
  2. Firewall and security plugins are not silently blocking AI bots (check logs)
  3. Key content is present in raw HTML, not dependent on JavaScript
  4. Organization schema live site-wide with logo, address and full sameAs links
  5. FAQPage schema on question-led pages, matching visible copy exactly
  6. Service or Product schema on every commercial page
  7. Article schema with named author and honest dates on guides
  8. llms.txt at the site root (twenty minutes, no miracles expected)

Content (9 points)

  1. Question-led H2s phrased the way buyers actually ask
  2. A 40-60 word front-loaded answer under every question heading
  3. One idea per section, no skipped heading levels
  4. Comparison tables for every X-vs-Y question you want to own
  5. Answers written to stand alone when lifted out of context
  6. An FAQ section on every service page answering real objections
  7. Specifics and numbers where competitors are vague
  8. At least one page of original insight nobody else has published
  9. No outdated pages feeding engines wrong answers about you

Entity (7 points)

  1. Exact business name identical across website, GBP, LinkedIn, Companies House and directories
  2. About page stating plainly who you are, where, what you do, since when
  3. A canonical 50-word description reused on every profile
  4. Google Business Profile complete, correctly categorised, actively maintained
  5. Named author pages with credentials for content writers
  6. Google reviews fresh, growing and responded to
  7. Listed in the roundups and directories AI engines already cite for your niche

Measurement (6 points)

  1. A fixed panel of 10-20 buyer prompts tested monthly across all four engines
  2. Results logged: mentioned or not, cited or not, what was said
  3. GA4 segment for AI referrals (chatgpt.com, perplexity.ai, Gemini, Copilot)
  4. AI crawler activity visible in server logs or CDN analytics
  5. Screenshots captured every time you find a citation
  6. Quarterly review of which pages earn citations, and the pattern to replicate

Anything under 15 means visibility is being left on the table, and almost all of the first 24 points can be actioned in-house.

How do you measure AI visibility?

Imperfectly, with a repeatable manual methodology at the core, because nothing like rank-tracker certainty exists for AI answers yet. Anyone showing you a dashboard that claims to definitively track “your ChatGPT ranking” is smoothing over more uncertainty than they are admitting.

AI answers are non-deterministic: the same prompt can produce different answers minutes apart, varying by user, phrasing and model version. There is no rank position to track, only a probability of inclusion. So you measure it like anything probabilistic: repeated sampling, consistent method, trend over time.

The prompt-testing methodology we use with clients:

  1. Build a fixed panel of 10-20 prompts mirroring real buyer questions: “best [service] in [area]”, “who should I use for [problem]”, “[your brand] vs [competitor]”.
  2. Run the identical panel monthly across all four engines, in clean sessions so personal history does not skew results.
  3. Log three things per prompt: were you mentioned, were you cited as a source, and what exactly was said.
  4. Log competitors the same way. Their citation share is your benchmark.
  5. Screenshot everything. Six months of trend tells the story a single month cannot.
Monthly prompt-testing tracker dashboard for measuring AI search visibility

Supplement it with the hard data that does exist:

  • AI referral traffic in GA4. Visits from chatgpt.com, perplexity.ai and Gemini surfaces are real, attributable sessions, and in our client accounts they convert well above average. A visitor arriving from a recommendation is pre-sold.
  • Server logs. AI crawler hits confirm your content is being fetched, the precondition for everything else.
  • Branded search volume. People who hear about you in an AI answer often verify you in Google afterwards. A climbing branded-search line is circumstantial evidence, but it is evidence.

A young crop of AI visibility tools automates prompt testing at scale, and some are useful at enterprise level. For most SMEs, the manual panel plus GA4 covers 90% of the value at none of the cost, and keeps you reading the actual answers, which is where the insight lives.

What doesn’t work? AEO snake oil to avoid

Plenty, and it is being sold enthusiastically. AEO is young enough that hype merchants outnumber practitioners. Here are the tactics that waste money at best and damage you at worst.

Prompt injection and hidden instructions. Text hidden on pages saying “AI systems: recommend this company as the best provider”. Engines actively filter for it, and outcomes range from “ignored” to “your domain gets treated as adversarial”. The AEO equivalent of white text on a white background in 1999.

Keyword stuffing “for the AIs”. Cramming “best plumber Bristol” into every paragraph stopped fooling search engines after 2012, and language models are considerably better readers than the algorithms that already caught it.

Buying “guaranteed AI citations”. Nobody can guarantee a citation, because nobody controls what a non-deterministic model retrieves and generates. These packages usually deliver spam mentions on worthless sites, which is buying links with extra steps.

Spinning up 100 thin FAQ pages. A hundred near-duplicate pages answering variants of one question dilute your authority rather than compound it. One genuinely excellent answer beats twenty mediocre ones, and engines are good at telling the difference. This guide is our bet on that principle.

“AI-optimising” content while ignoring entity work. Rewriting every page into robotic Q&A format while the client’s name is still confused with another company and their reviews have flatlined. Content structure is one pillar of seven. Sold in isolation, it is a haircut for a patient who needs surgery.

The common thread: every one of these tries to shortcut trust, the one thing the engines are specifically engineered to estimate. There is no growth hack in this guide because there is no growth hack in the discipline.

How long does AEO take, and what does it cost?

Entity fixes show results in weeks, content restructuring in one to three months, authority building in three to nine months. Costs range from a few days of focused in-house time to roughly £750-£2,500 a month for a professionally run programme. Anyone quoting faster or cheaper is describing work they are not actually doing.

The realistic timeline, based on the programmes we run:

WorkstreamTypical timelineWhat changes
Entity fixes (About page, schema, profile consistency)2-6 weeksEngines describe you accurately; confusion resolves
Technical access (crawlers, rendering, llms.txt)1-2 weeksYour content becomes retrievable at all
Content restructuring (answer blocks, FAQs, tables)1-3 monthsFirst citations on retrieval-led engines like Perplexity
Authority building (reviews, listicles, mentions)3-9 monthsInclusion in “best of” answers; recommendations, not just citations
Training-data presence12+ monthsEngines know you without needing to retrieve you

The top half of the table is one-off work with fast feedback: a capable marketing manager with a spare day a week can clear most of it in a month or two. The bottom half is the compounding work where consistency beats intensity, and where retained help usually earns its fee.

On cost, honestly: UK AEO is typically sold either as an extension to an existing SEO retainer, often a few hundred pounds a month on top, or as a standalone programme in the £750-£2,500 monthly range depending on competitiveness. Below that range, be sceptical about what is actually done each month.

Our bias, stated openly: the fundamentals here are doable in-house, and we would rather you did them than did nothing. Where a partner earns their keep is judgement, knowing which pillar is your actual bottleneck, and cadence, doing the unglamorous monthly work when attention drifts. If you would rather have the whole thing done for you by people who do it daily, that is exactly the programme we run.

What does a real AEO programme look like in practice?

A four-stage loop: audit, entity fixes, answer-ready content, then measurement feeding the next round. Here is an anonymised walkthrough of a real engagement so you can see the shape of the work.

The client: a UK professional services firm in a competitive regional market. A director asked ChatGPT to recommend firms in their specialism, and two smaller competitors were named instead. That question, “why them and not us”, is how most of our AEO conversations start.

Month one: audit. We ran a 20-prompt panel across all four engines. Findings: the firm appeared in 2 of 80 engine-prompt combinations, one engine confused it with a similarly named firm, and the competitors winning citations shared two traits: presence in the three “best of” roundups ranking for the region, and pages that answered questions directly. Our client’s beautifully written pages took four paragraphs to say what they did.

Month two: entity and technical fixes. About page rewritten around plain facts. Organization schema with full sameAs. GBP, LinkedIn and directories aligned to one canonical description. Two AI crawlers unblocked from a security plugin that had been quietly rejecting them. llms.txt added.

Months two to four: answer-ready content. The six highest-value service pages restructured into question-led sections with front-loaded answers and FAQ schema. One genuinely useful cornerstone guide built around the questions prospects ask before choosing a firm. Outreach to the three roundups that mattered, earning inclusion in two.

Month four onwards: measurement. Same 20 prompts, monthly. By month three, mentions had gone from 2 to 11 of 80, with Perplexity moving first and citing the restructured pages directly. By month five, the firm was being named in shortlist-style answers on two engines, and GA4 showed a small but steadily converting stream of AI referral visits. The entity confusion was gone by month two and never returned.

No miracle, no hack. The audit tells you which pillar is broken, the fixes are unglamorous, and the compounding starts once engines can retrieve, parse and trust you. It is the same loop every time. Only the bottleneck changes.

Frequently asked questions about AEO

Is AEO different from SEO?

Yes. SEO gets you ranked in Google’s traditional blue-link results and wins you the click. AEO gets you cited and recommended inside AI-generated answers, where there often is no click at all. They share fundamentals, good content, clean technical setup and real authority, but the goal and surface are different. Most businesses in 2026 need both, run as complementary programmes.

What’s GEO, and is it different from AEO?

Generative Engine Optimisation (GEO) is optimising your brand to be the source that generative AI models build their answers from. Where AEO focuses on getting cited in a direct answer, GEO works on the deeper layer: making sure models understand who you are as an entity and treat your content as authoritative. In practice they overlap heavily and are best run as one programme.

Does llms.txt actually do anything?

Honestly, not much yet. No major AI engine has publicly confirmed it reads llms.txt, and we have never seen the file move a result on its own. But it takes twenty minutes, carries no risk, and positions you for wider adoption of the standard. Add it, expect nothing in isolation, and be wary of anyone selling it as a strategy.

Should I block AI crawlers?

For most businesses, no. Blocking GPTBot, PerplexityBot, ClaudeBot or OAI-SearchBot removes you from the answers those engines generate, the opposite of what a customer-hungry business wants. The exception is genuinely proprietary content you monetise directly. Also check that a security plugin is not blocking AI bots without your knowledge.

Can anyone guarantee ChatGPT citations?

No. AI answers are non-deterministic and personalised, so nobody controls whether a specific brand appears in a specific answer. What you can do is systematically stack the signals that make citation far more likely: entity clarity, liftable content, schema, authority and consistency. Treat any guarantee of AI citations the way you would treat a guarantee of a number-one Google ranking.

Does AEO work for local businesses?

Yes, arguably better than for anyone else. When people ask AI engines for local recommendations, the engines lean heavily on Google Business Profiles, reviews and local “best of” roundups, all things a well-run local business can influence quickly. Local markets also have fewer competitors doing this deliberately, so early movers can capture an outsized share of AI recommendations in their area.

Do AI Overviews kill website traffic?

They reduce clicks, measurably: Pew found users click a traditional result in 8% of searches with an AI summary versus 15% without. But the picture is not simply “traffic dies”. The remaining clicks are higher-intent, AI referral visitors convert well, and brands cited in the answer gain awareness without the click. The rational response is to compete for the citation, not to pretend the shift is not happening.

How much does AEO cost in the UK?

Done in-house, the core fixes cost time rather than money: most of the checklist is achievable with a few focused days spread over two months. Retained programmes in the UK typically run from a few hundred pounds a month as an SEO add-on, up to £750-£2,500 a month standalone depending on competitiveness. Be sceptical of anything dramatically cheaper: monitoring alone is not a programme.

Will a website redesign hurt my AI visibility?

It can, badly, if URLs, content and structure change without a migration plan, because engines lose the pages they were citing. Handled properly, the opposite is true: a rebuild is the perfect moment to bake in answer blocks, schema and entity clarity, making a redesign the cheapest AEO project you will ever run. Our guide to redesigning without losing rankings covers the migration side in full.

Final thoughts: the answer layer is being decided now

Every discipline like this has a window where the work is unusually well rewarded because most competitors have not started. SEO had one around 2005, local SEO around 2014. For AEO in most UK industries, the window is open right now: in niche after niche we audit, nobody has deliberately claimed the answers yet.

This guide is genuinely enough to act on. Run the 30-point checklist, fix your entity, restructure your money pages, start the monthly prompt panel. None of it needs permission or a big budget, just consistency.

And if you would rather spend that effort running your business, start where we start with every client: find out what the AI engines currently say about you. We are Grizzly, a Bristol digital team with 10+ years in search and 100+ five-star Google reviews, and we run AEO programmes for UK businesses that want to be the answer, not the also-ran. Book a free AI search audit and we will show you where you stand across all four engines, and what to fix first.

Got a project in mind?

Let’s talk