GEO agencies are appearing faster than anyone can vet them, and most “best GEO agency” lists are written by people ranking themselves or their affiliates. I run one, so I have an obvious bias, but I also actually do this work and sit across the table from these firms. Here is an honest read on the agencies worth knowing for generative engine optimization in 2026, who they fit, and where they stop.
Disclosure: RankCite is mine and it is first. Weight that accordingly. If you want the service page rather than the roundup, it is here, and if you are still deciding whether you need an agency at all, the generative engine optimization overview explains the work itself.
What a GEO agency actually does
A GEO agency optimizes your brand to be cited and named inside AI-generated answers, from ChatGPT and Perplexity to Gemini and Google AI Overviews. The good ones work two tracks at once: earning citations and mentions, which are won with different content. The weak ones rebadge their old SEO retainer and hope you do not notice the difference.
The best GEO agencies at a glance
| Tool | Best for | Pricing | Capabilities |
|---|---|---|---|
| RankCite | GEO + AEO with its own AI visibility tracking | Custom (free audit) | Citations, mentions, content, own analytics product |
 Siege Media | Content-led brands at scale | Enterprise retainer | Content, links, GEO add-on |
 Single Grain | Full-funnel digital marketing | Enterprise retainer | SEO, paid, GEO/AEO services |
 Minuttia | B2B SaaS content + GEO | Retainer | Content strategy, GEO |
 First Page Sage | Thought-leadership SEO | Enterprise retainer | SEO, GEO, content |
Positioning and pricing models as of June 2026. Most agencies quote custom, so treat this as a starting point.
1. RankCite
Best for: brands that want GEO and AEO run by a team that also builds its own AI visibility tracking.
RankCite is a GEO and AEO specialist, not a general SEO shop with a new service line. The differentiator is that we run our own product, RankCite Analytics, which tracks brand citations and mentions across every major engine. So the work is driven by live data on where you actually show up, not a quarterly screenshot, and we report your AI visibility share over time.
Pricing: custom, scoped after a free AI visibility audit.
Where it stops: we are focused on AI search and organic, not a one-stop shop for paid and social.
2. Siege Media
Best for: content-led brands that want volume and links at scale.
Siege Media is a well-established content and SEO agency that has added GEO to its offering. If you want a proven content engine with link building and a GEO layer on top, they are a strong, mature option.
Where it stops: GEO is an addition to a content-first model rather than the core specialty, and they sit at the enterprise end on budget.
3. Single Grain
Best for: teams wanting full-funnel digital marketing with GEO included.
Single Grain is a broad digital marketing agency that covers SEO, paid, and now GEO and AEO. Good fit if you want one agency across several channels rather than a specialist.
Where it stops: breadth is the trade-off. A generalist rarely goes as deep on AI visibility as a dedicated GEO team.
4. Minuttia
Best for: B2B SaaS companies that want serious content plus GEO.
Minuttia has a strong reputation in B2B SaaS content and has leaned into GEO as the category grew. If you are SaaS and content is central to your motion, they are a credible pick.
Where it stops: their sweet spot is content depth; evaluate how much dedicated AI visibility measurement they bring.
5. First Page Sage
Best for: thought-leadership SEO with a GEO extension.
First Page Sage is known for thought-leadership-driven SEO and publishes widely on the space, including GEO. A fit for brands that want authority content as the engine.
Where it stops: like the others here, GEO extends an existing SEO model rather than being the founding specialty.
How to choose a GEO agency
Three questions cut through the noise. First, is GEO their specialty or an add-on to an old SEO retainer? Second, do they measure your citation and mention share across engines, or just send traffic reports? Third, can they show real outcomes, not just a services page? Ask for specifics. The honest agencies will give them. If you want to see where you stand first, run a free AI visibility check or book a free audit.
GEO agencies: frequently asked questions
What is the best GEO agency?
The best GEO agency for you depends on fit. RankCite is a GEO and AEO specialist that runs its own AI visibility product, so the work is driven by live data. Siege Media and First Page Sage are strong content-led options at the enterprise end; Single Grain is a broad generalist; Minuttia is strong for B2B SaaS content.
How much does a GEO agency cost?
Most GEO agencies quote custom rather than list prices, and the established content-led firms sit at the enterprise end. Scope is usually set after an audit. RankCite quotes after a free audit so you see where you stand first.
What is the difference between a GEO agency and an SEO agency?
An SEO agency competes for ranked links on Google. A GEO agency optimizes your brand to be cited and named inside AI-generated answers from ChatGPT, Perplexity, and Gemini. The good ones are built for this; the weak ones rebadge an old SEO retainer. If you also want broad AI SEO coverage, an AI SEO agency spans both.
Do I need a GEO agency or a tool?
A tool tells you where you stand in AI answers; a GEO agency does the work to improve it. If you have a team to act on the data, a tool may be enough. Compare the trackers in the best AI visibility tools roundup. If you want outcomes, an agency runs the whole motion.
Written by
Gonçalo Canhoto
Founder of RankCite. I help B2B companies get clients from AI search: ChatGPT, Perplexity, Claude, and Gemini. My work includes taking a client to $100,800 in 27 days by ranking #1 on ChatGPT and growing a fintech from $300k to $5M in monthly revenue with AI search as the channel. I publish what I learn, including the parts that did not work.
Watch my breakdowns on YouTube