A GEO agency specializes in one job: getting your brand cited by AI search engines like ChatGPT, Perplexity, Google AI Overviews, and Gemini. That is a different problem from traditional SEO, and most traditional agencies are not built for it. Where an SEO agency chases rankings in a link list, a GEO agency optimizes your content, authority signals, and technical setup so AI models pull your brand into their synthesized answers.
The distinction matters because AI search is growing fast. ChatGPT now processes over 1 billion searches weekly, and AI Overviews now appear on roughly one in five U.S. searches, sitting above the traditional blue links. Brands that are invisible in those answers are losing prospective buyers before they ever see a search result.
A capable GEO agency works across both surfaces simultaneously: traditional Google rankings (still the foundation AI engines draw from) and direct AI citation signals. The two reinforce each other, but each needs deliberate attention.
What a GEO agency actually does
A GEO agency audits where your brand appears in AI answers for the queries your customers use, then closes the gaps. The core work covers content restructuring, technical AI access, entity authority building, and ongoing citation monitoring.
Content work involves rewriting page introductions to lead with direct 40-60 word answers, adding FAQ sections, and structuring pages with descriptive headings that match how AI engines reformulate queries. A good agency also identifies missing topics in your cluster, because AI engines favor sites with comprehensive, interlinked coverage rather than isolated pages.
Technical work means confirming that AI crawlers (OAI-SearchBot, PerplexityBot, ClaudeBot, Google-Extended) can access your site, that content is in crawlable HTML rather than JavaScript-rendered markup, and that schema markup (FAQPage, Organization, Article) is implemented as server-rendered JSON-LD.
Entity authority work is the longer-play element. AI engines weigh mentions from third-party sources: review platforms, industry publications, Wikipedia, and comparison sites. Getting your brand consistently named in those places is how you build the cross-source consensus that AI models treat as a trust signal.
GEO agency vs traditional SEO agency
A traditional SEO agency optimizes for Google’s ranking algorithm: link building, technical crawlability, keyword targeting, and Core Web Vitals. Those fundamentals still matter for GEO because, research shows 85% of ChatGPT-cited pages also rank in Google’s top 10. You cannot skip the SEO foundation.
But the work diverges past that point. Traditional SEO rarely touches the things that drive AI citation rates: direct-answer content structure, schema markup for AI extraction, AI crawler access policies, third-party mention campaigns, or citation monitoring across ChatGPT and Perplexity. Most SEO agencies do not measure any of those signals.
A GEO agency treats AI visibility as a separate, measurable channel. It tracks which queries produce citations, which competitors get cited instead of you, and how your citation rate changes after content updates. That feedback loop is how you know the work is moving.
What to look for when choosing a GEO agency
The field is new enough that many agencies are adding “GEO” to their services without changing their process. A few filters that separate real practitioners from badge-pinners:
Measurement first. A genuine GEO agency runs baseline citation checks before writing a word of content. They should be able to show you exactly which AI engines cite your brand for which queries, and which cite competitors instead. If an agency cannot demonstrate this as a deliverable, they are doing traditional content work and calling it GEO.
Dual-surface coverage. Look for agencies that treat Google rankings and AI citation signals together, not as separate projects. The content and authority signals overlap significantly, and an agency that isolates them will miss compounding wins.
Content specificity. Generic agencies produce volume. GEO requires content specific enough to be worth citing: original frameworks, concrete numbers, named processes, expert perspectives. Ask to see examples of content that has actually been cited by Perplexity or ChatGPT.
Technical depth. Schema markup implementation, robots.txt auditing for AI crawler access, and llms.txt file setup are table-stakes. If an agency does not mention these in their discovery process, they are not operating at the full stack.
The dual Google + AI citation angle
This is where most brands underinvest. Google AI Overviews draw heavily from pages that already rank well organically, so traditional SEO still matters. But ChatGPT and Perplexity use real-time retrieval (RAG), which means recently published, well-structured content can earn citations within days of going live, regardless of your domain authority.
A GEO agency exploits both paths. On the Google side, they optimize for the same ranking signals that feed AI Overviews: authority, structure, schema, and content depth. On the ChatGPT and Perplexity side, they focus on third-party brand mentions, direct-answer content formatting, and freshness. Perplexity in particular favors academic-style sourcing and recently updated pages, which is a different optimization target than Google.
The practical implication: a brand working with a GEO agency should expect to track citation rates across at least three AI engines separately, because what moves your Perplexity visibility may differ from what moves your ChatGPT visibility. A tool like Fokal handles this monitoring so the agency can act on real data rather than guessing.
How to evaluate GEO agency results
Set a 90-day baseline before any engagement. Run your 10-15 most important commercial queries through ChatGPT, Perplexity, and Google AI Overviews. Note whether your brand is cited, which competitors are cited instead, and what the citation context is (mentioned positively, neutrally, or as an also-ran).
After three months of GEO work, rerun those same queries. Meaningful citation rate improvements are achievable in competitive niches when the content and technical work are both done well. If nothing has moved after 90 days, the agency is either doing the wrong work or the niche is dominated by sources that need a longer-term authority campaign to displace.
Track these signals alongside traditional SEO metrics, not instead of them. A good GEO agency will give you a dashboard that shows organic rankings, AI citation rates, and competitor displacement in one view. If you are only seeing a traffic report and a content calendar, ask for more.
How GEO agencies price their work
Most GEO agencies bill on one of three models: monthly retainer, project-based, or performance-linked. Retainers are most common because GEO is an ongoing discipline, not a one-time audit. The work that earns citations in month one degrades as competitors publish new content, so continuous monitoring and iteration are necessary.
Project-based work is appropriate for a one-time audit and content sprint: establishing a citation baseline, restructuring existing pages, implementing schema, and running a third-party mention campaign. This gives a brand a launchpad but requires ongoing attention to hold and grow the gains.
Performance pricing (tied to citation rate improvements or traffic from AI referrals) is emerging but remains uncommon because the measurement standards are not yet as mature as Google Analytics attribution. Tracking AI traffic and citation rates via dedicated tooling is the precursor to any performance model.
Getting started without a full agency
Not every brand needs a full-service GEO agency on day one. A practical starting point: audit your AI visibility first, then decide what skill gaps require outside help.
Run your top 10 commercial queries through ChatGPT and Perplexity manually. Note citation patterns. Then check whether your pages lead with direct answers, whether your schema markup is correct, and whether AI crawlers are permitted in your robots.txt. That self-audit often surfaces the highest-leverage fixes, many of which can be handled in-house.
Where brands typically need agency support: third-party mention campaigns (this requires outreach skills and media relationships), schema implementation at scale, and systematic citation monitoring across multiple engines. The GEO services category covers the specific deliverables in more detail.
If you are evaluating whether to build the capability in-house or hire a GEO agency, the honest answer depends on your team’s content bandwidth and technical depth. The fundamentals of generative engine optimization are learnable, but executing them consistently across 50+ pages while monitoring citation rates across three AI engines is where agencies earn their keep.
The AI SEO hub covers the full landscape of tactics, from content structure to schema to entity authority, and is a useful benchmark for what a capable GEO agency should be delivering.