Guillaume L.

Complete takeover of Google Ads campaigns for a manufacturer of wooden houses and passive houses.

Results: CPL divided by 3 (€250 → €80), lead volume x2 at equivalent budget, final CAC divided by 2.

Account restructuring (Search segmented by intent, tCPA bidding, Quality Score), dedicated landing pages per search intent, complete tracking setup via Google Tag Manager with lead reporting to the CRM, rework of the lead conversion funnel → appointment → quote.

In a sector with a long sales cycle and high value, the challenge is not the raw volume of leads but their quality.

The approach: fewer wasted leads, better qualified, lower final CAC.

SEO & AI Referencing

Complete SEO strategy with semantic cocooning by intent, creation of thematic silos, optimized content, and targeted internal linking.

Implementation of schema.org (MedicalWebPage, FAQPage, Product) and strengthening of E-E-A-T (certified authors, clinical cases, medical sources).

Structuring of the eZtain brand for LLMs: explicit mentions, Hn, tags, URLs, authoritative content.

Results:

Organic traffic x5 in 3 months, top 3 on core business queries.

Effective referencing in ChatGPT, Gemini, Perplexity.

CTR doubled on pillar pages.

Google Ads

Launch and management of Search, Shopping, Discovery campaigns.

Optimization of ads, feeds, audiences, and intent signals.

Complete conversion tracking via GTM + GA4.

Launch of a direct-to-consumer farm-to-table product delivery service, with a B2B channel (corporate delivery). Project management from A to Z: sourcing producers, logistics, customer acquisition, user experience.