How Much Does an AI SEO Agency Cost? Pricing Models Explained
AI SEO agency cost depends on the pricing model, the scope and how much content and outreach you need. Here is how retainers, audits and projects compare.
What an AI SEO agency costs depends far more on the pricing model and the scope of work than on the label “AI SEO”. Most agencies charge in one of a few ways: a monthly retainer, a one-off audit, a fixed project, hourly consulting or a performance-based deal. The biggest cost drivers are how much content gets written, how much outreach is done to earn mentions, how competitive your category is and how much of the work is done by senior people. The fair way to compare quotes is to compare what each one actually delivers each month, not the headline fee.
The common pricing models
Monthly retainer
This is the most common setup. You pay a set fee each month and the agency does an agreed amount of work: auditing, content, technical fixes, outreach and tracking.
Good for: brands that want steady, ongoing work. AI visibility builds slowly, so continuity matters.
Watch for: vague scopes. A retainer should spell out what you get each month. Pages written, pages improved, outreach attempts, reports and calls. If the contract only says “AI SEO management”, you have no way to judge value.
Many retainers have a minimum term. Ask what it is, what happens if you leave early and who owns the content and accounts when you do.
One-off audit
The agency reviews your site and your current presence in AI answers, then hands over a written report and a plan. Some include a call to walk through it.
Good for: brands with an in-house team or a capable freelancer who can do the work once they know what to fix. Also a sensible first step before you commit to a retainer.
Watch for: audits that are mostly automated tool output with a logo on top. A useful audit tells you what is wrong, why it matters for your business and what to do first. It should include a check of real buyer questions across ChatGPT, Perplexity, Gemini and Google AI Overviews, not just a crawl report.
Fixed project
You pay a set fee for a defined piece of work. Examples: rebuilding your product pages so they answer buyer questions, writing a set of comparison guides, or fixing technical blocks that stop AI crawlers.
Good for: clear, bounded jobs with an obvious finish line.
Watch for: what happens after delivery. A project can fix the foundations, but reputation and tracking are ongoing work.
Hourly consulting
You buy time with a specialist, usually for advice, training or reviewing your team’s work.
Good for: teams that do the work themselves but want expert eyes on strategy, or a second opinion on another agency’s plan.
Watch for: open-ended hours with no clear outcome. Agree on the question you want answered before the clock starts.
Performance-based
The agency is paid partly or fully on results. In AI search this is hard to set up fairly, because results are hard to pin down. AI answers change by prompt, by day and by user, and no one controls them. If an agency offers to be paid per ChatGPT mention, ask exactly how a “mention” is counted, which prompts are used, who runs them and how often. Without clear answers, that deal may reward noise.
Performance deals tied to things you already measure, such as revenue, leads or traffic from AI tools, can make more sense. But attribution from AI tools is still patchy, so expect some debate.
In-house hire
Not an agency, but the real alternative. Hiring someone means a salary, benefits, tools and management time. You get full focus and deep knowledge of your brand. You also carry the risk if they leave, and one person rarely covers technical work, writing and outreach equally well.
Tools and subscriptions
A growing set of software tools track how often your brand appears in AI answers. These are useful for measurement and cost far less than people. They do not do the work. Treat a tool subscription as an add-on, whether you hire an agency or not. Some agencies include tool costs in their fee and some pass them on, so ask.
What drives the cost up or down
Two agencies can quote very differently for what sounds like the same service. These factors explain most of the gap.
Content volume. Writing good pages takes skilled time. A plan that includes many new guides, comparisons and product page rewrites each month costs more than one that only tweaks existing pages.
Outreach and reputation work. Earning mentions on respected roundups, review platforms and publications is slow, manual work. It is also where much of the impact on AI recommendations comes from. Cheap packages often leave it out.
Competition in your category. If your rivals are large brands that already dominate reviews and press, you need more work to be noticed.
Starting point. A site with crawl blocks, thin pages and no outside mentions needs more foundation work than one with solid SEO already in place. See our technical basics for AI search for what that foundation looks like.
Number of products, services or locations. More pages to improve and more questions to cover means more work.
Seniority. An agency where an experienced strategist does the thinking and checks the output costs more than one where juniors run templates. That is often worth paying for.
Reporting depth. Regular tracking of real buyer questions across several AI tools takes effort. Good reporting shows what you were asked, what was said and how it changed.
How to compare quotes
Put each proposal side by side and answer these for every one:
- What exactly is delivered each month, in plain terms?
- How many of those items are new content, improvements, technical fixes and outreach?
- Who does the work, and who checks it?
- How is AI visibility measured, which questions are tracked and how often?
- What is the minimum term and the exit process?
- Who owns the content, accounts and data?
- Does the agency promise specific AI rankings or mentions? If so, be careful. Nobody can guarantee those.
Our list of questions to ask an AI SEO agency has more to bring to sales calls.
Signs a price is too low or too high
A very cheap offer usually means automated content, no outreach or a tool dashboard sold as a service. You may get activity without progress.
A very high quote is not wrong in itself, but it should come with senior people, a clear plan and a scope that matches your size. Ask what you would lose if you cut the scope in half. A good agency can answer that honestly.
How TheCMO prices
TheCMO is an AI-run marketing service for ecommerce brands covering Google Ads, Meta ads and getting found in AI search. It is led by Nathan Synoground, who has managed $20.5M in Google Ads across 150 client accounts since 2018. We do not publish a price list. We quote after a free review of your site and your current presence in AI answers, so the scope fits what you actually need. You can read about the work on our AI SEO services page, or compare other options in our ranking of AI SEO agencies.
If you are still getting clear on what you would be paying for, start with what AI SEO is.
The short version
AI SEO agencies charge through retainers, audits, projects, hourly consulting or performance deals. Cost is driven by content volume, outreach, competition, your starting point and who does the work. Compare quotes on what is delivered, not on the fee alone, and be wary of anyone who guarantees AI mentions.