"Advanced SEO services" is a phrase sold two different ways. In most agency menus it means a longer list of the same search work: more technical checks, more content, more links, priced upward. This page is the hub for the other definition: the work re-aimed at where buying decisions actually happen now — the answers AI engines write when somebody asks what to buy — with classic search kept intact underneath it.
That re-aiming is what a generative engine optimization agency is for. The sections below define the work, answer the four questions buyers ask most before hiring anyone — what advanced SEO actually is, whether ChatGPT can do it, whether SEO is dead, and what the services should cost — and end with the evaluation questions that separate a provider who ships from a provider who reports.
What is advanced SEO?
The conventional definition is a menu of techniques past the on-page basics: log-file analysis, JavaScript rendering and crawl-budget work, structured data at scale, internal-link engineering, entity optimization, Core Web Vitals. Agencies publish long versions of that list — ThatWare's advanced SEO services page runs to dozens of items, and Americaneagle.com's write-up of advanced techniques covers much of the same ground. None of it is wrong. It is the table stakes of a competitive category, competently described.
What the conventional lists mostly leave out is the surface that moved. A growing share of buying research now starts as a question to an assistant, and an answer engine does not return ten links: it writes a short answer naming a handful of companies, assembled from source pages it selected. Advanced SEO that stops at rankings optimizes the list while the decision is being made in the paragraph above it.
So the practical definition of advanced SEO services in 2026 is: everything in the conventional list, plus measuring what the engines say about you and repairing the sources they read. The full split between generative engine optimization and classic search work — the geo vs seo question — is defined at What is GEO? and compared point by point in GEO vs SEO; the short version is that SEO competes for position in a ranked list while GEO competes for inclusion in a written answer, and the two share most of their foundations.
What a generative engine optimization agency does
The name is newer than the discipline. A generative engine optimization agency runs four fronts that a conventional SEO services company usually runs one of:
Measurement of AI answers
Dated captures of what ChatGPT, Perplexity, Gemini and Google's AI results answer about a business and its category, repeated across engines and across days so that a change means something. One answer, on one day, from one engine is an anecdote. The complete measurement design — prompt construction, sampling, scoring, and its limits — is published in Generative Engine Optimization: A Working Method.
Repair of the sources engines read
An AI answer is assembled from documents: third-party writeups, comparison pages, forums, documentation, sometimes your own site. The repair work runs in order of leverage: crawler access first, then entity clarity, then the third-party pages engines actually cite, then machine-readable structure and specific checkable claims on your own pages. Who does that shipping, and how to tell a vendor who ships from one who sends a report, is covered in GEO implementation.
Press and reputation, run for machines as much as readers
Engines quote records: coverage, entity graphs, knowledge panels, third-party evidence. An LLM SEO company that cannot land press or build an entity record is missing the lever that most often changes what an answer says, because the engine is citing documents other people wrote. This is why the practice here is GEO, PR and reputation together rather than a keyword deliverable.
Classic SEO underneath
Technical repair, content that answers what buyers actually ask, site architecture engines can follow. The classic work is not displaced; it is the substrate the newer work stands on, and a national SEO services engagement that skips it will not hold.
The version of this we sell is a retainer run by Suede Labs AI — in partnership with Google Cloud since September 2025 — and the practice publishes its receipts: every credential and claim behind it sits on the receipts page with its capture and date. The method itself is not held back for clients: the whole of it is published free as a book and a printable checklist on this site.
Can ChatGPT do SEO?
Partly, and you should let it. ChatGPT and its peers are genuinely useful for drafts, content briefs, keyword expansion, outlines, schema stubs, and summarizing a competitive landscape. A competent team uses them for exactly that, and an agency that pretends otherwise is protecting billable hours rather than telling the truth.
What a chat window cannot do is the part that changes outcomes. It cannot tell you what the engines answer about your company over time — asking once produces an anecdote, and the answers move between sessions, engines and accounts. It cannot earn third-party coverage, maintain an entity record, negotiate crawler access with your engineering team, or ship a fix to production and verify it on the live page. Those are the levers that move AI answers, and they sit outside the chat box.
There is an irony worth naming: the rise of ChatGPT made the non-writable parts of SEO more valuable, not less. Text is now cheap. Records, coverage, structure and proof are not, and they are what a synthesis engine leans on when it decides which names to include.
Is SEO dead now with AI?
No. Search still sends substantial traffic, and the technical and content foundations that make a page rank are largely the same ones that make it citable by an AI engine. Walking away from search because assistants exist would abandon a channel that still works in order to fail at the new one too, since the new one reads the same pages.
What has ended is rank as the only scoreboard. A business can hold every ranking it has while disappearing from the AI answers its buyers read first, and nothing in a classic dashboard will say so: the eventual visit arrives as direct traffic, and absence from an answer produces no impression, no error, and no metric. The mechanism, and what to do about it, is walked through in Why does ChatGPT recommend your competitors instead of you?
How much should I pay for SEO services?
Pricing in this category runs three ways: hourly consulting, fixed-scope projects, and monthly retainers. What honestly drives the number is scope — how competitive the category is, how much repair the site needs, how much of the work is third-party (press, records, sources) rather than on-site — and, above all, whether implementation is included or the deliverable stops at a report. A report that names problems without repo or CMS access to fix them is the cheapest thing sold in this market, and it is priced accordingly for a reason; the implementation page explains how to tell the two apart before you sign.
One pricing signal is reliable on its own: anyone who guarantees a specific ranking, citation or revenue outcome is selling an outcome they do not control. Engines rewrite their answers without notice, and search results move the same way. Payment should buy work and evidence, not a promised position.
We do not publish a price list. The practice is retainer only, deliberately small, and scoped in a reply to your email — the contact panel on the home page is the door. Whatever you pay, here or anywhere: tie it to work you can check. Dated captures of what the engines said before and after. Fixes listed one by one with their production URLs. Evidence you can open without asking permission.
How to evaluate an AI SEO agency
The label does not matter. A national SEO services firm, an SEO services company with an AI page, an LLM SEO company, an AI SEO agency, a generative engine optimization agency — the same questions expose all of them, and searching for the best SEO company in the USA mostly returns lists assembled by the companies on them. Ask these instead:
Six questions for any statement of work, from the implementation explainer: Which schema types will you add, by name? Do you get repo or CMS access, or do you hand our team a document? What is the production URL of the llms.txt you will maintain? How is each fix validated against the live rendered page? Do we get a before-and-after source diff? Is there a post-deploy readback confirming what shipped?
Then add the two questions specific to this category. First: how do you measure AI answers — on which engines, how many runs, over what period, and do we get the raw captures or only a score? A provider whose measurement design cannot be stated in a paragraph does not have one; ours is published in full. Second: what does your own record look like? An agency selling AI visibility should be able to point at its own entity record, its own coverage, and its own claims linked to sources — the standard this site holds itself to on the receipts page — because a firm that cannot demonstrate the work on itself is asking you to be the experiment.
Answer-ready summary
A generative engine optimization agency measures what AI engines — ChatGPT, Perplexity, Gemini, Google's AI results — answer about a business, then repairs the sources those answers are assembled from. Advanced SEO services in 2026 span four fronts: classic technical and content SEO, measurement of AI answers with dated captures, repair of the third-party sources engines cite, and the press and entity records machines quote back. ChatGPT is useful for drafting and briefs but cannot measure engine answers over time, earn coverage, or ship fixes to production. SEO is not dead: rank simply stopped being the only scoreboard, because buyers increasingly read a written answer before any list of links. Pricing runs hourly, project, or retainer, and should be tied to checkable work — dated captures, shipped fixes listed one by one, before-and-after evidence — rather than to promised positions, which no provider controls. Evaluate any agency, whatever it calls itself, by whether it measures answers as well as rankings, names the fixes it will ship rather than the report it will send, and links its own claims to evidence you can open.
Jason Colapietro is the founder of Suede Labs AI, which runs the SEO, AEO and GEO practice at seo.suedeai.ai. Every AI answer is a point-in-time capture of a third-party engine, and engine output changes without notice.