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What Is GEO? Generative Engine Optimisation Explained

How AI tools like ChatGPT and Google AI Overviews choose which businesses to mention, and the practical steps that get your firm into those answers.

By the Leeds SEO team11 November 20266 min read
Quick answerGEO, or generative engine optimisation, is the work of getting your business named and cited when AI tools such as ChatGPT, Gemini, Perplexity and Google AI Overviews answer a question. It builds on normal SEO, then adds clear answers, structured data and consistent facts across trusted sites so the tools feel confident recommending you.

What GEO means in plain terms

Generative engine optimisation is the work of getting your business named, quoted or linked when an AI tool writes an answer. The "generative engine" is the tool itself: ChatGPT, Gemini, Perplexity, Microsoft Copilot or the AI Overviews that now sit at the top of many Google results. Instead of showing ten links and leaving the choice to you, these tools read sources, write a reply and point to the few sources they trusted most.

That changes what winning looks like. In a normal results page you can rank fourth and still get clicks. In an AI answer there may be room for only two or three businesses, and the rest are invisible. GEO is about being one of those two or three.

You will see several names for the same idea. GEO, generative engine optimization with a z, AI SEO, answer engine optimisation (AEO) and LLM SEO all describe overlapping work. The labels matter less than the result: does the tool mention you when a buyer asks?

How GEO differs from traditional SEO

Traditional SEO aims to put a page high in a list. GEO aims to put your facts inside an answer. Much of the groundwork is shared, but the emphasis shifts in a few clear ways.

AreaTraditional SEOGEO
GoalRank a page in the top resultsBe cited or named in the written answer
Unit of successA click to your pageA mention, a quote or a source link
Content styleComplete pages built around a keywordShort, direct answers that can be lifted and quoted
Trust signalsLinks and on-page relevanceConsistent facts across many trusted sources

The overlap is large. AI tools that search the web still lean on pages that rank well, so a site with no organic visibility rarely shows up in AI answers either. Think of GEO as a layer on top of good SEO rather than a replacement for it.

How AI tools decide which sources to use

No AI company publishes a full recipe, but testing across many queries shows a consistent pattern. Most assistants run a live search, read a handful of the strongest pages and then write a summary that leans on whatever was clearest and most widely agreed.

Four things come up again and again. First, the page has to be found, which means it ranks or is well linked. Second, it answers the question directly near the top, without a long run-up. Third, the facts on it match what other sources say, so the tool feels safe repeating them. Fourth, the business behind it is mentioned elsewhere: in directories, reviews, local press and industry sites.

Rows of library shelves full of books beside a reading area
AI tools work like a fast researcher in a library: they read many sources, then repeat the ones that agree.

That last point surprises many owners. An AI tool is more likely to recommend a Leeds accountant that appears in three or four trusted places with the same name, address and services than one with a beautiful website and nothing else. Consistency is a trust signal in its own right.

The numbers behind the shift

AI answers are no longer a novelty. Google now shows AI Overviews on a large share of informational searches, and millions of people ask ChatGPT and Perplexity for recommendations every day. For many service searches, the AI summary is the first thing a buyer reads.

2 to 3Businesses typically named in a recommendation answer
4AI tools most UK buyers now use: ChatGPT, Gemini, Perplexity and AI Overviews
1stPlace the summary takes on many results pages, above the links

The practical lesson is simple. If your firm is missing from those few names, a growing share of buyers will never see you, even if your website still ranks on page one below the summary.

The foundations of a GEO plan

A sound plan starts with the same health checks as any SEO project, then adds work aimed squarely at AI answers. These are the pieces we put in place first.

  • Entity details. Your business name, services, areas and key people stated the same way on your site, your Google Business Profile and every directory.
  • Structured data. Schema markup that tells machines what your business is, what you offer and which questions each page answers.
  • Answer-first pages. Service and guide pages that open with a two or three sentence answer, then add the detail underneath.
  • Trusted mentions. Listings, reviews and articles on sites that AI tools already rely on, especially respected UK and sector sources.
  • An llms.txt file. A short file at the root of your site that points AI crawlers to your most important pages.

Most of this is unglamorous, and that is the point. AI tools reward clarity and consistency far more than clever copy. If you want the full service picture, our page on AI SEO and generative engine optimisation sets out what we include each month.

Writing content that AI tools can quote

The fastest improvement most firms can make is to the way their pages are written. AI tools struggle with pages that bury the answer under three paragraphs of introduction, or that spread one idea across several vague sentences.

Try this on your main service page
  • Put the question a buyer would ask in a heading
  • Answer it in the first two sentences under that heading
  • Add one specific number, such as a price range or a timescale
  • Name the area you cover in the same paragraph
  • Keep each paragraph to one idea

Pages written this way read better for people too. A buyer skimming on a phone wants the same thing as an AI tool: a clear answer, quickly, with enough detail to trust it.

Questions make good headings

Headings phrased as real questions, such as how much does a conveyancing solicitor cost in Leeds, match the way people now talk to AI assistants. They also make it easy for a tool to pair a question with the answer that follows.

GEO for Leeds and Yorkshire firms

For local businesses, GEO and local SEO overlap heavily. When someone asks an assistant for a good electrician in Headingley or a commercial solicitor in Leeds, the tool often draws on map listings, reviews and local directories as well as websites. A complete, active Google Business Profile with recent reviews is one of the strongest signals you can send.

Professional firms in the city centre face a different challenge. Their buyers ask broader questions, such as which Leeds law firms handle employment disputes for small companies, and the tools answer with firms that have clear, specific pages on exactly that. Depth beats breadth: one detailed page on the work you want more of is worth more than a long list of services with a sentence each.

Whichever group you fall into, the same principle holds. The firms that AI tools recommend are the ones that are easy to understand and widely confirmed. That is good news for smaller Leeds businesses, because clarity costs far less than a big advertising budget.

How to measure GEO results

Measuring GEO is less precise than tracking rankings, but it is far from guesswork. We use three simple checks each month.

  1. Answer checks. A fixed set of buyer questions asked in each major tool, recording whether your firm is named and which competitors appear instead.
  2. Referral traffic. Visits arriving from AI tools, which now show up in analytics as their own sources.
  3. Enquiry questions. A simple question on your contact form, how did you hear about us, often reveals AI mentions that analytics misses.

Over a few months, those three numbers show whether the work is moving you from invisible to recommended. If you would like that picture for your own firm, a free audit from our SEO Leeds team includes a first answer check across the main tools.

Questions readers ask about GEO

Reader questionIs GEO replacing SEO?

No. AI tools still rely on pages that search engines can find and trust, so good SEO remains the base. GEO adds work aimed at being quoted inside AI answers.

Reader questionHow long does GEO take to show results?

Small changes to page structure can show within weeks in tools that search live. Building trusted mentions across the web usually takes three to six months.

Reader questionCan I pay to appear in ChatGPT answers?

Not in the organic answers. Those are shaped by the sources the tool finds and trusts, which is why consistent, well written information matters.

Reader questionDo small Leeds businesses need GEO?

More and more buyers ask AI tools for local recommendations, so it is worth covering the basics: a complete profile, clear service pages and consistent details everywhere.

Reader questionWhat is the difference between GEO and AEO?

Answer engine optimisation focuses on short, direct answers to questions. GEO is the wider goal of being cited by generative tools, and AEO is one of its main methods.

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