Geostack
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.
About
Geostack runs GEO as three named products: an initial implementation (GEO Alicerce), ongoing optimised content (GEO Editorial) and seeding on external sources (GEO Referência), alongside digital PR, AI mention monitoring and a white-label GEO service for other agencies. Its site also names an AI-Readiness Score audit.
Common questions
- What does Geostack do?
- 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. It works with B2B clients in ecommerce & retail, fintech, healthcare, professional services, saas & software.
- What GEO services does Geostack offer?
- Geostack names AEO, AI visibility audit, Advisory, Citation tracking, Digital PR, Source-of-truth content, Technical SEO. We tag a service only where the agency's own website names it, so this list is what they say they do rather than what we infer.
- Where is Geostack based?
- São Paulo, Brazil.
- Is Geostack a verified listing?
- Yes. Geostack manages this listing, so the details here come from the agency itself. Last verified September 2026.
- What categories does Geostack appear in?
- GEO Agencies That Offer an AI Visibility Audit, GEO Agencies for Ecommerce, GEO Agencies for Fintech, GEO Agencies for Healthcare, GEO Agencies for Professional Services, SaaS GEO Agencies, GEO Agencies That Build Source-of-Truth Content. An agency appears in a category only where its verified services or industries qualify it.
- Which AI engines does Geostack cover?
- GPT, Claude, Gemini, Perplexity, Copilot, AI Overviews, AI Mode, as reported by the agency.
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