Answer Engine Optimization

AEO agency: get your brand recommended by AI

Your buyers now ask ChatGPT, Perplexity, Gemini and Google's AI Mode which company to hire. Complete Ranking is an Answer Engine Optimization agency that makes sure the answer includes you — accurately, favorably and with a link back to your site.

6answer engines tracked: ChatGPT, Perplexity, AI Overviews, Gemini, Claude, Copilot
Weeklyprompt runs across your buyers' real questions
1 planAEO and SEO run together, so fixes help both

Trusted by US teamsin healthcare AI, fintech, AI/ML and B2B software

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Definition

What is Answer Engine Optimization?

Answer Engine Optimization (AEO) is the practice of making a brand visible inside AI-generated answers. Where SEO earns a ranking in a list of links, AEO earns a mention, a recommendation or a cited source in the response that ChatGPT, Perplexity, Gemini, Claude, Copilot or Google AI Overviews writes for the user.

It matters because the answer is increasingly the whole experience. When someone asks "what's the best medical coding software for a mid-size hospital?" they get three or four names and a short rationale. If you're not one of them, you don't get a click to win — you were never in the running.

How it works

How answer engines decide who to recommend

Every major assistant blends what the model already knows with what it retrieves from the web at answer time. AEO works on both.

Retrieval

ChatGPT search, Perplexity, Copilot and AI Overviews pull live results from search indexes. If you don't rank or aren't crawlable by their bots, you can't be retrieved.

Consensus

Models favor brands that many independent, trusted sources agree on: reviews, best-of lists, industry press, forums and comparison pages.

Clarity

Clear, consistent facts — what you do, for whom, where, at what price — let a model describe you confidently instead of hedging or skipping you.

Extractability

Answer-first passages, definitions, tables and structured data are easy to lift into a response and attribute to your page.

Prompt tracking

We measure the prompts that make you money

AEO starts with a prompt set: the real questions your buyers ask assistants, grouped by intent — "best", "vs", "alternatives", "how much", "near me". We run them every week across engines and track whether you're mentioned, whether you're cited, how you're described and who's recommended instead.

  • Mention rate and citation rate per engine
  • Share of voice against your named competitors
  • Accuracy of how AI describes your pricing, features and locations
  • The exact sources each engine cited, so we know where to earn mentions
Prompt tracking · illustrative example
Buyer promptChatGPTPerplexityAI Overviews
best medical coding software for hospitalsCitedCitedMissing
autonomous coding vs computer-assisted codingMentionedCitedCited
alternatives to legacy CAC vendorsMissingMentionedMissing
how much does AI medical coding costMissingMissingCited
50%Mention rate
3 of 4Competitors ahead
11Sources to win
Services

What our AEO agency does

Monitoring tools tell you there's a problem. We fix it — on your site and across the sources AI engines read.

AI visibility audit

A baseline of how every major engine describes you and your competitors today, with the specific gaps that cost you recommendations.

Prompt research & tracking

A prompt set built from sales calls, search data and query fan-out analysis, tracked weekly so you can see progress prompt by prompt.

Entity & brand facts

Consistent facts across your About page, Organization schema, Google Business Profile, Wikidata where eligible, and a canonical brand-facts page.

Answer-first content

Comparison, alternatives, pricing and "best for" pages written so the key answer sits in the first 50 words of each section — easy to extract and cite.

Third-party mentions

Placement on the best-of lists, review platforms, communities, podcasts and publications that answer engines retrieve for your category.

AI crawler access

robots.txt rules for OAI-SearchBot, PerplexityBot, ClaudeBot and Google-Extended, server-rendered content, fast pages and optional llms.txt.

Coverage

Every answer engine your buyers use

GPTChatGPT PxPerplexity GGoogle AI Overviews AIGoogle AI Mode GmGemini ClClaude CoMicrosoft Copilot
Process

From invisible to recommended

A 90-day sprint to establish the baseline and ship the highest-impact fixes, then ongoing work to compound share of voice.

01 Weeks 1–2

Baseline

Build the prompt set, run it across engines, and score mention rate, citation rate, accuracy and competitor share of voice.

02 Weeks 2–4

Gap map

Trace every missing recommendation to its cause: not crawlable, not ranking, unclear facts, or absent from the sources engines cite.

03 Months 2–3

Fix & publish

Ship crawler and schema fixes, rewrite key pages answer-first, and publish the comparison and pricing content engines look for.

04 Ongoing

Earn mentions

Win placement on the lists, reviews and publications engines retrieve — and report weekly on how answers change.

AEO vs SEO

Same foundation, different scoreboard

SEOAEO
GoalRank a page in search resultsBe named, recommended or cited in the AI answer
Unit of measureKeyword position, clicksPrompt mention rate, citation rate, share of voice
Biggest leverRelevance and links to your pagesConsensus across third-party sources plus clear entity facts
Content formatComprehensive pages for a querySelf-contained, answer-first passages and tables
Where results showGoogle and Bing results pagesChatGPT, Perplexity, AI Overviews, Gemini, Claude, Copilot

Generative Engine Optimization goes one level deeper into how models synthesize sources — see our GEO agency page. For the ranking foundation, see our SEO agency services.

FAQ

AEO agency questions

What does an AEO agency do?
An AEO agency makes your brand show up — accurately and favorably — when people ask AI assistants for recommendations. That means tracking the prompts your buyers ask, finding where you're missing, fixing the on-site content and entity signals answer engines rely on, and earning mentions on the third-party sources they retrieve and trust.
Is AEO different from SEO?
It's built on SEO but measured differently. Answer engines still retrieve from search indexes, so crawlability, content quality and authority still matter. AEO adds prompt-level tracking, entity consistency, answer-first formatting and off-site brand mentions — because an AI answer names three or four brands instead of listing ten links. Read what AEO is for the full breakdown.
How long does AEO take to work?
Engines that retrieve live web results, like ChatGPT search, Perplexity and AI Overviews, can reflect changes within weeks of a page being indexed. Answers that lean on a model's training data change more slowly, often only when new model versions ship. Most clients see measurable movement in mention rate within 60–90 days.
Can you guarantee ChatGPT will recommend us?
No one can. AI answers vary by prompt, by user, by location and from day to day. What we can do is measure your visibility across a fixed set of prompts, run it weekly, and systematically improve the signals that make recommendation more likely — then report honestly on what moved.
Which AI platforms do you track?
ChatGPT, Perplexity, Google AI Overviews and AI Mode, Gemini, Claude and Microsoft Copilot. We weight reporting toward the engines your buyers actually use, which for most US B2B and local businesses means ChatGPT and Google first.
Do we need an llms.txt file for AEO?
It's optional. llms.txt is a proposed standard that no major AI provider has committed to using as a ranking signal, so we treat it as low-cost hygiene rather than a strategy. Crawler access, clear entity facts and being mentioned by sources engines trust matter far more. Our llms.txt guide covers when it's worth doing.
How much does AEO cost?
AEO is usually scoped as part of an SEO retainer, because the work overlaps — the same pages, the same technical fixes, the same authority building. Standalone AEO projects (audit, prompt tracking setup, entity cleanup) are scoped after a free audit. See our pricing guide for typical US ranges.
Free audit

Find out what AI says about your brand.

We'll run your category's most important buyer prompts across ChatGPT, Perplexity and Google AI Overviews and show you who gets recommended, who gets cited and where you're missing. Free.