Le futur en construction
CSTB (cstb.fr) scores 74 out of 100 on Brand Analyzer, placing it in the Brand-Ready tier among Real Estate brands, Technology brands, Government brands, in the 44th percentile of 12471 Real Estate brands.
CSTB (Centre Scientifique et Technique du Bâtiment) is a French public industrial and commercial establishment (EPIC) founded in 1947 and headquartered in Champs-sur-Marne. It operates under the French Ministry of the Ecological Transition and supports construction, real estate and urban planning professionals through scientific and technical research, expertise and services. CSTB positions itself between academic and applied research, helping the sector navigate major transitions such as energy, digital and environmental transformations affecting buildings and cities.
| Brand Name | CSTB |
|---|---|
| Domain | cstb.fr |
| Industry | Real Estate, Technology |
| Founded | 1947 |
| Headquarters | Champs-sur-Marne |
| Parent Company / Owner | Ministry of the Ecological Transition |
| Main Competitors | BRE Group (82/100), Fraunhofer Institute for Building Physics, TNO (89/100), VTT Technical Research Centre of Finland (88/100), CEREMA (82/100) |
Moz Domain Authority 56/100 vs category average 37 / leader 93 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #100,531 on the Tranco list of most-visited sites - modest traffic makes the brand easy for AI models to overlook.
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "Le CSTB est un EPIC qui accompagne les acteurs de la construction dans ses grandes mutations." (Meta description: 16 words (ideal length). No OG description (falling back to meta)) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: og:title, og:image, og:type, canonical. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Content is FR-only, limiting citation in English-language AI answers.
Detected tech stack: Cloudflare.
Social footprint: verified profiles on YouTube, Instagram; no detected presence on X (Twitter), Facebook, LinkedIn, GitHub - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked October 2026.
When asked "What is CSTB?", Claude could identify the brand as of October 2026. CSTB (Centre Scientifique et Technique du Bâtiment) is a French public institution that conducts research, testing, certification and consulting related to building construction, covering areas like energy performance, safety, materials, and environmental impact. It plays a key r Best known for Being France's leading scientific and technical authority for building research, standards, and certification.
When asked "Best brands similar to CSTB?", Claude would recommend CSTB as of October 2026. It's a central reference institution in French construction and real estate for technical standards, testing, and certification, so it's highly relevant when discussing authoritative bodies in that space.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
CSTB's main competitors in Real Estate: BRE Group (82/100), TNO (89/100), VTT Technical Research Centre of Finland (88/100), CEREMA (82/100).
Sources: Brand Analyzer scan
CSTB has limited AI-search visibility, scoring 36/100 on Brand Analyzer's AI visibility composite (visibility 28, trust 29, recommendation 58). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: CSTB official site
CSTB was founded in 1947. CSTB operates in the Real Estate category. It is analyzed by Brand Analyzer across seven brand dimensions and AI-search visibility.
Sources: Wikidata
CSTB is headquartered in Champs-sur-Marne. CSTB operates in the Real Estate category.
Sources: Wikidata
CSTB scores 58/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest Real Estate options. Recommendation depends on crawlability, structured data, and category authority.
Sources: CSTB official site
CSTB (Centre Scientifique et Technique du Bâtiment) is a French public scientific and technical organization, structured as an EPIC (Établissement Public à caractère Industriel et Commercial), founded in 1947 and headquartered in Champs-sur-Marne. It operates under the supervision of the French Ministry of the Ecological Transition and serves as a construction research agency.
Sources: CSTB official site
CSTB can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: CSTB official site
CSTB is owned by or part of Ministry of the Ecological Transition. CSTB operates in the Real Estate category.
Sources: Wikidata
CSTB conducts scientific and technical research for the construction sector and provides expertise, testing, certification and advisory services to help professionals in construction, real estate and urban planning adapt to major transitions such as environmental, energy and digital changes affecting buildings and cities.
Sources: CSTB official site
CSTB is known for its role as a bridge between academic and applied research in the construction field, providing scientific and technical expertise that supports the transformation of buildings and urban environments in France.
Sources: CSTB official site
CSTB's services are used by professionals and organizations in the construction, real estate and urban planning sectors who require technical expertise and support for their projects.
Sources: CSTB official site
CSTB scores 36/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
CSTB has a weak AI-visibility profile at 36/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (58/100) and its weakest is visibility (28/100). It benefits from a Wikidata knowledge-graph entry, a global traffic rank of #100,531 (Tranco) and a Moz Domain Authority of 56/100. The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, thin schema.org structured data and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify CSTB from memory (October 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to CSTB: Croonwolter&dros (74/100), CRL (C. R. Laurence) (74/100), Cuningham (74/100), Danwood (74/100).
A step up - brands to learn from: Zucchetti (81/100), Zucchetti (81/100).
Category leader: Chaos (95/100).
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