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Best Generative Engine Optimization Agency: Seven Picks By Region And A Quick Start Your Agent OS Can Run In Every Market
The best generative engine optimization agency on my list is Goldie Agency, and since it's my own agency, I'm flagging that bias in the first line.
A GEO agency is a team that works to get your brand used, cited and recommended inside AI-written answers from ChatGPT, Perplexity, Gemini and Google's AI.
My other six picks are SALT.agency, Power Digital, StudioHawk, Delante, ClickSlice and Boostability, sorted by region and checked on their own sites on 18 October 2026.
This quick start shows you how to hire one for each market in five steps, while your Agent OS keeps a dated record per country.
If you want help from day one, book a free SEO strategy session and get a custom AI visibility plan.
The best generative engine optimization agency shortlist, by region
These are the seven GEO agencies I'd shortlist in 2026, sorted for where you sell, and number one is my own agency.
| Rank | Agency | Base listed on its site | What its own page says today | Best for |
|---|---|---|---|---|
| 1 | Goldie Agency (my agency) | Bangkok | A free AI brand visibility session for Google, AI Overviews, ChatGPT, Perplexity and Gemini, built on trusted-source coverage. | Any market, coverage-led. |
| 2 | SALT.agency | Leeds and London | Its own AI monitoring agents benchmark your brand against named competitors. | UK enterprise brands. |
| 3 | Power Digital | San Diego | Deep audits, conversational strategy, schema and landscape analysis. | US growth brands. |
| 4 | StudioHawk | Melbourne and Sydney | AI SEO built into every service, with a free AI SEO audit. | Australian businesses. |
| 5 | Delante | London and Poland | An AISO audit across ChatGPT, Perplexity, Gemini, Claude and DeepSeek. | Poland and Central Europe. |
| 6 | ClickSlice | London | AI search optimisation next to SEO and PPC, as a Profound Certified Agency Partner. | UK SEO plus PPC buyers. |
| 7 | Boostability | Not listed on its AI SEO page | AI SEO on its Be-Found-Framework, with listings, reviews and structured data. | Small businesses and agencies. |
I read every third-party page on 18 October 2026, and each one advertises GEO or AI search work today.
My best GEO agency guide already covers eight other agencies, so this list adds new names and a regional angle.
I haven't hired the six third-party agencies, so I'm describing what each says about itself.
I haven't listed prices, because agencies quote after a call and I won't guess.
What a GEO agency does, in plain English
GEO means generative engine optimisation, which is the job of getting your content used and cited inside AI-written answers.
The term comes from a research paper called GEO: Generative Engine Optimization by Pranjal Aggarwal and colleagues, first posted on arXiv on 16 November 2023 and published at KDD 2024.
The paper reported that GEO methods can boost visibility by up to 40% in generative engine responses, with citing sources, adding quotations and adding statistics as the top methods.
It also found that the best method varies by domain, and in practice that's one reason a market-specific agency often finds gaps a generic one misses.
It sits on top of SEO rather than replacing it, because Google's AI features guide says AI Overviews and AI Mode have no additional requirements beyond normal SEO.
🔥 Want the exact AI SEO setup I run inside my Agent OS?
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Quick start: hire a GEO agency for each market in five steps
This is the fastest safe route from a cold start to a signed first phase in one or more countries.
- First, write twenty buyer questions for each country you sell in, in the language those buyers actually use.
- Second, let your Agent OS ask every question in ChatGPT, Perplexity, Gemini, Claude and Google, and save the answers with dates, brands named and sources cited.
- Third, let an agent pull every cited publication, review site and comparison into one source list per market.
- Fourth, shortlist two or three agencies from the table that know that market, and give them all the same brief.
- Fifth, sign a 90-day first phase in your most valuable market, and let your agents re-ask the questions at the end.
📞 Want my team to run steps one to three with you?
Book a free SEO strategy session and you will leave with a custom visibility plan, an AI visibility roadmap and a competitor gap analysis.
Number one: Goldie Agency
Goldie Agency is the SEO and link building agency I started on my own, and it now has 70+ people in Bangkok.I rank it first because I know exactly how the work is done, and you should weigh that as my bias.
The strategy session page says the agency helps brands get found, cited and recommended by Google and AI.
It says AI platforms look for consistent signals across the wider web, so the work is expert bylines, independent reviews, industry comparisons and research-led coverage.
The agency site also lists link building with manual outreach and no PBNs, a Complete Site Audit and AI Automation.
In my own video I call the session a free one-to-one GEO and AEO audit, where we look at your site, your competitors and the keywords you're closest to winning.
AI runs around 80% of our internal operations through the same Agent OS I teach on this site.
The other six, in one line each
- SALT.agency's page says it built its own AI monitoring agents and also covers product data for AI shopping agents.
- Power Digital's GEO page names ChatGPT, Google AI Overviews, Perplexity, Claude, Gemini and Copilot as target platforms.
- StudioHawk's page says AI SEO isn't a separate service there, because it's built into technical audits, content, links and schema.
- Delante's page says its AISO audit gives technical, content and off-site recommendations after checking five AI tools including DeepSeek.
- ClickSlice's page says it tracks commercial prompts, category questions, comparison searches and solution-led queries.
- Boostability's page says it works with small businesses, agencies and resellers, and offers a free site analysis.
How a multi-market GEO hire fits an Agent OS workflow
My Agent OS runs a crew of AI agents under one shared memory, and that matters most when you sell in more than one country.
Every market gets its own questions, its own baseline and its own source list, and all of it lands in the same memory.
| Job | Your Agent OS handles it | The GEO agency handles it | You handle it |
|---|---|---|---|
| Questions per market | An agent translates and stores twenty buyer questions for each country you sell in. | The agency checks the wording sounds local. | You approve the final list. |
| Baseline per market | An agent asks each question in each AI tool and saves the answers, brands named and sources cited. | The agency reads the gaps market by market. | You decide which market goes first. |
| Local source list | An agent pulls every cited publication, review site and comparison into one list per market. | The agency earns coverage on those sources. | You give interviews and approve quotes. |
| Technical access | An agent checks robots.txt for OAI-SearchBot and PerplexityBot on every domain. | The agency fixes what the agent flags. | You sign off live changes. |
| Monthly check | An agent re-asks the same questions and compares them with last month. | The agency explains the trend. | You decide whether to continue. |
That means you can compare two agencies in two countries on the same evidence, instead of two different reports.
It also means you can spot when one market moves and another doesn't, which tells you where to put next quarter's budget.
Inside the AI Profit Boardroom there's also a search OS that finds GEO keywords from your own Search Console data.
📞 Want this pointed at your markets?
Grab a free SEO strategy session with Goldie Agency and we will map the bylines, reviews, comparisons and pages each market needs.
🔥 Want the exact AI SEO setup I run inside my Agent OS?
Inside the AI Profit Boardroom you get the installable Agent OS, step-by-step video tutorials, four coaching calls a week and 3,400+ members building real automations.
The fact-check rule for every language
Google's guidance on generative AI content says "It is critical to manually factcheck and review all AI-generated content for accuracy and trustworthiness before publishing."
That rule matters even more when agents draft pages in languages you don't read yourself.
So in my system, agents draft and a human who reads that language checks every fact before anything goes live.
What GEO looks like when it works on my own sites
In my GEO examples video, I show Google's AI Overview for "best geo expert" naming me first, with several of my pages in its sources.
I show the AI Overview for "best HARO agency" listing five suppliers and linking Goldie Agency first.
I show one of my sites going from zero to about 1,300 Google clicks a day, with one day of over 9,600 impressions inside Google's AI features.
I call the system the answer engine, and it's three moves, which are be the source, be everywhere and be first.
Those are my results on my own screens, and I also had a site that flopped, so treat them as proof of the method rather than a forecast.
The crawler check your agents can run on every domain
OpenAI's crawler page recommends allowing OAI-SearchBot in robots.txt to help your site appear in ChatGPT search results. Perplexity's crawler page recommends allowing PerplexityBot to help your site appear in its search results.If you run a separate domain for each country, an agent should check every one of them, because one blocked domain can hide a whole market.
Nobody can guarantee what a model says
Nobody can guarantee what a model says, and that includes me and Goldie Agency.
None of the companies behind ChatGPT, Perplexity, Gemini or Claude publishes a formula for which brands get recommended.
An agency can improve the footprint those models read in your market and the honesty of its reporting, and it can't control the answer.
Red flags to walk away from
- Walk away from any agency that guarantees a mention in ChatGPT, Gemini or Google's AI.
- Walk away from any agency that only tests in English when your buyers don't search in English.
- Walk away from anyone who sells an AI text file as the secret, because Google says it isn't needed.
- Walk away from any agency that won't show you raw, dated answers.
Where to go next on this site
My free GEO audit guide shows how to check your own gaps before you hire anyone.
My Claude SEO agency guide shows the public test I use on my own work.
If you'd rather buy GEO by package, my best generative engine optimization services guide from this batch breaks the work into five.
Also On Our Network
FAQ
What is the best generative engine optimization agency in 2026?
Julian Goldie ranks his own agency, Goldie Agency, first and discloses that bias. His third-party picks by region are SALT.agency, Power Digital, StudioHawk, Delante, ClickSlice and Boostability.
Does it matter which country a GEO agency is in?
It can, because buyers ask AI tools in their own language about local options, and AI answers draw on local sources. An agency that knows your market's publications will find gaps a distant team may miss.
How does an Agent OS help when I hire GEO agencies in several countries?
Your agents can keep separate buyer questions, baselines and source lists for each market in one shared memory. That lets you compare agencies and markets on the same dated evidence.
Can a GEO agency guarantee that ChatGPT will recommend my brand?
No. Nobody can guarantee what a model says. An agency can improve the footprint a model reads and report the answers honestly, but cannot control the answer.
Do I need special schema or an AI text file for Google AI Overviews?
Google says no. There are no additional requirements and no special schema or AI text files are needed for AI Overviews or AI Mode.
What does the free SEO strategy session cover?
The page describes it as a free AI brand visibility session. You leave with a custom visibility plan, an AI visibility roadmap and a competitor gap analysis, and it is a call rather than a written report.
Final word on choosing the best GEO agency for your market
Run a baseline per market, give every agency the same brief and never pay for a guarantee.
If you'd like my team to look at your brand, book a free SEO strategy session and leave with a plan for traffic, mentions and leads.
That's how you hire the best generative engine optimization agency without taking anything on trust.
About Julian
I'm Julian Goldie, an AI entrepreneur, SEO expert and the founder of the AI Profit Boardroom, which has 3,400+ members.
I help business owners scale with AI agents, automation and SEO.
My YouTube channel has 400,000+ subscribers, and I run Goldie Agency, a seven-figure SEO agency.
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