Be visible where your customers are searching.

MentionBox is an organic search agency (SEO/GEO) based in Brussels. We work on your organic search across every engine your customers search on: Google, ChatGPT, Gemini, marketplaces or social media.

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Comparison

Is your organic ranking stagnating?

We are an SEO and GEO agency. Every piece of work is prioritised against the engines your customers use to find you.

A classic SEO agency

  1. Works on visibility in Google
  2. No measurement of what AI says about the brand
  3. Content written to rank on Google
  4. New engines treated as a separate topic
  5. Targets traffic and rankings

MentionBox, One Search agency

  1. Works on visibility in Google, ChatGPT, Gemini, marketplaces, social media, and App Store.
  2. Our MentionLab platform measures mentions, cited sources and the sentiment attached to them
  3. Content written to be picked up and cited in generated answers
  4. One plan of work and one report for Google and for AI alike
  5. Targets the business generated: inbound requests, sales, revenue
Case studies

When SEO and GEO work together, the results show

AI visibility

Xerius

Xerius saw its informational traffic drop as generative AI and Google AI Overviews took over the top of the funnel.

AI visibility analysis, priority pages corrected, content written to be cited.

+284%mentions in AI answers
+61%traffic coming from AI
+110%conversions coming from AI
Xerius, September to October 2025
Google search

Orange

Orange was preparing for Black Friday, the search peak where competition on generic queries is at its fiercest.

+452%generic traffic over Black Friday
+30new top 3 rankings on Google
Orange, Black Friday, against the year before
Our method

Our method in 4 steps

As an SEO and GEO agency in Belgium, we work your visibility on both grounds at once: the results Google shows and the answers AI generates.

  1. Audit

    A full analysis of your existing visibility, on Google and in AI answers: technical, content, authority, cited sources. We identify what is holding you back.

  2. Roadmap

    A plan of work prioritised across pages, content and sources, with the expected gain of each piece.

  3. Iterative work

    Optimisation

    Three tracks run in parallel: content structured to be picked up by generative engines, technical access for AI crawlers with Schema.org markup, and brand presence on the sources those engines cite.

  4. Ongoing tracking

    Monthly measurement of rankings, traffic and presence in AI answers, with the plan adjusted against it.

AI Listening

MentionLab, our GEO measurement platform

We built MentionLab to measure your brand's presence in AI-generated answers: which answers you appear in, which sources the engines cite about you, and the tone they use. Its sentiment analysis shows whether your brand is being recommended or advised against, which a count of mentions cannot tell you.

The MentionLab app on a laptop: a visibility score over time, a brand ranking led by Apple, a performance radar by tag and a share-of-voice ring.
FAQ

What people ask us before we start

No. While closely related, GEO, AEO and AI SEO are not exactly the same thing.

  • AEO, Answer Engine Optimization focuses on structuring and optimizing content so it can be selected as a direct answer by search engines and AI assistants. An AEO consultant typically works on clarity, relevance and question-based content.
  • GEO, Generative Engine Optimization focuses on increasing a brand's visibility, citations and recommendations in AI-generated answers across platforms such as ChatGPT, Gemini and Perplexity.
  • AI SEO is the broader evolution of search optimization. A generative AI SEO strategy can combine traditional SEO, AEO, GEO and LLM visibility services to cover the full modern search journey.

In practice, these approaches work together. The goal is no longer just to rank on Google, but to make your brand visible wherever people search, ask questions and make decisions.

To improve SEO and strengthen your Google ranking, you need to continuously work on the three main pillars of SEO:

  • Technical: ensuring your website is fast, accessible, indexable and easy for Google to understand.
  • Content: creating relevant pages that match real search intent and target the right topics and keywords.
  • Authority: strengthening your brand's credibility through trusted external mentions, links and industry recognition.

A SEO audit helps assess these three pillars, identify performance gaps and build a clear SEO strategy. Strong website SEO therefore combines technical foundations, quality content and authority to deliver sustainable Google SEO performance and ongoing SEO optimization.

An SEO audit and GEO audit provides an in-depth view of your brand's visibility across Google and AI search engines.

At MentionBox, we analyse technical performance, content, keywords, authority, backlinks, rankings and your presence across ChatGPT, Gemini, Perplexity and other AI environments.

This analysis allows our SEO consulting team to identify the highest-priority actions, quick wins and optimization opportunities before execution begins. As a custom digital strategy SEO agency, we use these insights to build a roadmap focused on the actions most likely to improve visibility across both Google and AI search.

We combine our in-house technology with our SEO & GEO methodology to analyse how your brand appears across ChatGPT, Perplexity and other AI engines.

We measure brand mentions, recommendations, competitors, cited sources and visibility trends to identify where the biggest opportunities lie.

Our LLM visibility services turn AI visibility into measurable data, allowing us to define concrete actions for LLM optimization and broader AI search performance.

A GEO agency helps companies improve their visibility across generative AI and answer engines.

A Generative Engine Optimization agency works on areas such as SEO on ChatGPT, SEO on Claude, SEO on Gemini and SEO on Perplexity, as well as visibility within Google AI Overviews and AI Mode.

Its Generative Engine Optimization services focus on content, authority, entities, citations and external sources to increase the likelihood of a brand being mentioned, cited or recommended by AI.

For companies looking for a GEO agency Belgium, an AI SEO agency Belgium, an AEO agency Brussels or an AI Overview optimization agency, the objective is the same: build visibility beyond traditional search results.

An AEO consultant or GEO expert helps you understand how your brand is interpreted, cited and recommended by AI engines.

They analyse your content, brand authority, competitive landscape and external sources to identify the signals that can improve your visibility across ChatGPT, Gemini, Perplexity and other generative engines.

Working with an AI SEO agency or LLM optimization agency therefore helps turn AI visibility into a structured, measurable growth strategy rather than a series of isolated optimizations.

Yes. B2B AI search optimization is becoming increasingly important as decision-makers use Google and AI platforms to compare companies, evaluate solutions and shortlist potential partners.

Our AEO services B2B combine SEO, expert content, brand authority and AI optimization to increase visibility throughout the decision-making journey.

For companies looking for B2B enterprise SEO consulting, the objective is to connect traditional SEO with GEO so your brand can be discovered both in search results and AI-generated recommendations.

SEO should ideally be integrated before the redesign begins, not once the new website is already built.

A website redesign and SEO optimization approach allows you to define the right architecture, content, templates, internal linking and redirects before design and development are finalized.

This avoids having to rework key parts of the website later, protects existing rankings and prevents unnecessary duplicated costs. Whether you work with a classic SEO agency, a specialist SEO agency or a new tech expert SEO consultant, SEO should be part of the foundations of the redesign, not an afterthought.

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The four MentionBox partners, in the offices of the agency.
  • Antoine
  • Antonio
  • Benjamin
  • Claire
  • Eva
  • Fabian
  • Geoffrey
  • Germain
  • Gilles
  • Imane
  • Laureen
  • Laureline
  • Léo
  • Ludovic
  • Mathias
  • Maxime
  • Pierre G
  • Pierre Q
  • Tanguy
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