8 agencies in this directory do similar work to CSTMR, which is based in Austin, US. They are matched on the sectors they sell to, the services they name and who they work with, and ordered by how much they have in common. This is not a ranking: nothing here says one is better than another, and CSTMR may still be the right choice.
Fintech and financial services marketing agency offering AI/SEO discovery optimization alongside branding and content.
Brazilian GEO agency getting B2B brands cited and recommended in ChatGPT, Gemini, Perplexity and other AI answers, led by a 17-year SEO practitioner serving all of Brazil from São Paulo.
In common: Fintech · Source-of-truth content, Technical SEO, Digital PR, AEO · both sell to B2B
Done-for-you answer engine optimization for B2B companies, measured on a fixed question set across five engines and re-measured on a set cadence.
In common: Fintech · Source-of-truth content, Technical SEO, Digital PR, AEO · both sell to B2B
Employee-owned search agency in Sheffield and Leeds with more than 80 specialists, running GEO and AEO as named services alongside SEO, digital PR, content and paid search.
In common: Fintech · Source-of-truth content, Technical SEO, Digital PR, AEO · both sell to B2B
Answer engine optimization agency working on how brands are cited and recommended across ChatGPT, Claude, Gemini and Perplexity, with prompt mapping, content and weekly tracking.
In common: Fintech · Source-of-truth content, Technical SEO, Digital PR, AEO · both sell to B2B
AI search optimisation for B2B software companies, with daily prompt tracking across engines and digital PR and Reddit programmes to build the sources models cite.
In common: Fintech · Technical SEO, Digital PR, AEO · both sell to B2B
Productised GEO and AEO work, tracking a question set across five engines and reporting the change per engine.
In common: Fintech · Source-of-truth content, Technical SEO, AEO · both sell to B2B
B2B GEO and AEO agency for SaaS and fintech, covering schema, citation engineering, and content structure for AI answers.
In common: Fintech · Source-of-truth content, Technical SEO, AEO · both sell to B2B
Polish interactive agency building AI search visibility for B2B manufacturers, with an AI search audit and a GEO suite covering quotable content, structured data and earned mentions.
In common: Source-of-truth content, Technical SEO, Digital PR, AEO · both sell to B2B
Every agency in the directory is scored against CSTMR on the sectors both work in, the services both name, whether they sell to the same kind of buyer and whether they are in the same country. Sectors count for more than services, because two agencies serving the same industry are closer substitutes than two that both list technical SEO, which nearly every agency does.
Nothing here is paid for. Where a Featured agency appears it is labelled, and it earns its place on the same match as everything else. Details come from each agency’s own website, checked before the listing went live, and claimed listings add pricing, team size and the engines covered.
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