SEO agency rankings
Semji, SEO agency in Lyon
In 2026, Semji ranks 7th of 62 SEO agencies in Lyon (Top 25%). Its strengths: cited by AIs (Google AI Mode, ChatGPT, Gemini), 39 SEO case studies with client results, and 14 years in business.
2026 ranking · updated
01
Identity
| Legal name | SEMJI |
|---|---|
| Legal form | SAS |
| Company number (SIREN) | 539381582 |
| Founded | 2012 |
| Offices | Lyon (head office) |
| Website | semji.com (opens in a new tab) |
Source: Sirene register, collected September 24, 2026.
02
Rankings
- Best SEO agencies in Lyon7th of 62Top 25%
- Best SEO agencies in Auvergne-Rhône-Alpes7th of 62Top 25%
- Best SEO agencies in France25th of 139Top 25%
- Best GEO agencies in Lyon2nd of 28Top 10%
- Best GEO agencies in Auvergne-Rhône-Alpes2nd of 28Top 10%
- Best GEO agencies in France16th of 61Top 30%
- Best SEO agencies · Local SEO in France23rd of 139Top 25%
- Best SEO agencies · E-commerce SEO in France12th of 139Top 10%
Show the other 25 rankings
- Best SEO agencies · Link building in France12th of 139Top 10%
- Best SEO agencies · International SEO in France7th of 139Top 10%
- Best SEO agencies · Law firms in France2nd of 139Top 5%
- Best SEO agencies · Health in France6th of 139Top 5%
- Best SEO agencies · SaaS and tech in France9th of 139Top 10%
- Best SEO agencies · B2B and industry in France13th of 139Top 10%
- Best SEO agencies · Tourism and hotels in France4th of 139Top 5%
- Best SEO agencies · Finance and insurance in France3rd of 139Top 5%
- Best SEO agencies · Retail in France9th of 139Top 10%
- Best SEO agencies · E-commerce SEO in Lyon4th of 62Top 10%
- Best SEO agencies · International SEO in Lyon1st of 62Top 5%
- Best SEO agencies · GEO (AI search) in Lyon11th of 62Top 25%
- Best SEO agencies · Retail in Lyon3rd of 62Top 5%
- Best GEO agencies · E-commerce SEO in France9th of 61Top 25%
- Best GEO agencies · Health in France5th of 61Top 10%
- Best GEO agencies · B2B and industry in France7th of 61Top 25%
- Best GEO agencies · Tourism and hotels in France4th of 61Top 10%
- Best GEO agencies · Finance and insurance in France3rd of 61Top 5%
- Best GEO agencies · Retail in France7th of 61Top 25%
- Best GEO agencies · Local SEO in Lyon3rd of 28Top 25%
- Best GEO agencies · E-commerce SEO in Lyon2nd of 28Top 10%
- Best GEO agencies · Link building in Lyon2nd of 28Top 10%
- Best GEO agencies · B2B and industry in Lyon2nd of 28Top 10%
- Best GEO agencies · Finance and insurance in Lyon1st of 28Top 5%
- Best GEO agencies · Retail in Lyon2nd of 28Top 10%
Awards
- 1st, LyonSEO agency awards · International SEO · 2026 awardsThe ones that best prove their skill in international SEO: our score, counting only their case studies in that field.
- 2nd, LyonGEO agency awards · Overall ranking · 2026 awardsThe best score in Lyon across all our criteria.
- 2nd, LyonGEO agency awards · E-commerce SEO · 2026 awardsThe ones that best prove their skill in E-commerce SEO: our score, counting only their case studies in that field.
- 2nd, LyonGEO agency awards · SEO content · 2026 awardsThe ones that best prove their skill in SEO content: our score, counting only their case studies in that field.
- 2nd, LyonGEO agency awards · Link building · 2026 awardsThe ones that best prove their skill in link building: our score, counting only their case studies in that field.
- 1st, LyonGEO agency awards · International SEO · 2026 awardsThe ones that best prove their skill in international SEO: our score, counting only their case studies in that field.
03
Score by criteria group
| Group | Weight | Score |
|---|---|---|
| Visibility on Google | 20% | 60.1/100 |
| Visibility in AI search (beta) | 10% | 87.3/100 |
| Website technical setup | 10% | 37/100 |
| Offer | 5% | 35.9/100 |
| Published proof | 25% | 100/100 |
| Client results | 15% | not scored |
| Editorial selection | 15% | not scored |
Visibility on Google60.1/100
| Criterion | Value | Source and date |
|---|---|---|
| Position on Google (Lyon) | #15 for “agence référencement lyon” | Google organic and local results (via DataForSEO) (our measurement) |
| Position on Google (France) | #12 for “agence seo” | Google organic and local results (via DataForSEO) (our measurement) |
| Position on Google Maps (Lyon) | #7 for “agence seo lyon” | Google organic and local results (via DataForSEO) (our measurement) |
| Estimated organic traffic | 0 visits a month | Search traffic and search volume estimates (DataForSEO Labs) (our measurement) |
| Domain Rating (Ahrefs) | 0/100 | Domain Rating by Ahrefs |
Visibility in AI search (beta)87.3/100
| Criterion | Value | Source and date |
|---|---|---|
| Cited by AIs (Lyon) | 3 of 9 answers | Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement) |
| Cited by AIs (France) | 0 of 9 answers | Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement) |
| Cited in Google AI Overviews (Lyon) | Not available (neutral in the score) | Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement) |
| Cited in Google AI Overviews (France) | Not available (neutral in the score) | Google AI Mode and AI Overviews, ChatGPT and Gemini (via DataForSEO) (our measurement) |
| Publishes llms.txt | Yes | Agency website (our measurement) |
| Lets AI crawlers read its site | Yes | Agency website (our measurement) |
Website technical setup37/100
| Criterion | Value | Source and date |
|---|---|---|
| Lighthouse performance | 44/100 | Lighthouse (mobile) (our measurement) |
| Lighthouse SEO | 100/100 | Lighthouse (mobile) (our measurement) |
| Lighthouse accessibility | 94/100 | Lighthouse (mobile) (our measurement) |
| Lighthouse best practices | 73/100 | Lighthouse (mobile) (our measurement) |
| Structured data | Yes | Agency website (our measurement) |
| Valid sitemap | Yes | Agency website (our measurement) |
| Pages updated in the last 90 days | 463 | Agency website (our measurement) |
Offer35.9/100
| Criterion | Value | Source and date |
|---|---|---|
| Publishes its prices | No | Agency website, read and labelled offline (case studies, prices, team) (our measurement) |
| Page showing who works there | No | Agency website, read and labelled offline (case studies, prices, team) (our measurement) |
| Years in business | 14 years | Sirene and company complements (API Recherche d’entreprises) |
Published proof100/100
| Criterion | Value | Source and date |
|---|---|---|
| Published proof | 100/100 | Agency website, read and labelled offline (case studies, prices, team) (our measurement) |
The case studies read on its website
- Chullanka (opens in a new tab) · 4% of revenue generated 0% of SEO traffic across the entire site 1% of strategic keywords in the top 5
- Cdiscount (opens in a new tab) · +77% SEO clicks gained
- Société Générale (opens in a new tab) · +186 % monthly content traffic
- Lesfurets (opens in a new tab) · 91% of new content drives SEO traffic
- Groupe SEB (opens in a new tab) · +59% monthly growth in SEO-driven traffic
- Mister Auto (opens in a new tab) · +364% monthly visits on new contents
- Adepem (opens in a new tab) · +230% increase in SEO traffic
- Agicap (opens in a new tab) · +80% international SEO traffic in 7 months
- Amenitiz (opens in a new tab) · 5% of MRR comes from SEO
- Behring Water (opens in a new tab) · +300% traffic in one year
- Cambium Media (opens in a new tab) · +535% SEO traffic on that content and over 204,000 SEO visits a month
- Ouest France (opens in a new tab) · +25% increase in SEO traffic for content made with Semji
- Groupama Gan Vie (opens in a new tab) · +300% SEO traffic in 12 months
- HelloAsso (opens in a new tab) · +260% of off-brand traffic for content optimized with Semji
- La Macif (opens in a new tab) · +89% non-branded SEO traffic in 12 months and top 3 rankings on strategic keywords
- Point.P (opens in a new tab) · +165% SEO revenue
- Qilibri (opens in a new tab) · +3400% in SEO traffic
- Uni-Médias (opens in a new tab) · +794k clicks (parents.fr)
- Villanovo (opens in a new tab) · +55% SEO traffic on villanovo.com
- GRDF (opens in a new tab) · +85% organic keywords in Google Top 3
- Boticinal (opens in a new tab) · +240% organic blog traffic in 6 months x5,4 organic traffic in 2.5 years
- BailFacile (opens in a new tab) · 56% of traffic from SEO, €9.5K in traffic value saved, content in 1h30
- YouSchool (opens in a new tab) · +54% SEO traffic on optimized content, +44% conversions, and 2 hours to publish an article
- Dougs (opens in a new tab) · +64% SEO traffic, +68% conversions, and at least 5 hours saved on every SEO brief
- Assurland.com (opens in a new tab) · +200 strategic keywords ranking in the top 3
- Edenéa (opens in a new tab) · +250% SEO traffic, 4x more content published
- L-Expert-Comptable.com (opens in a new tab) · +80% SEO traffic
- Nomade Aventure (opens in a new tab) · +340% SEO conversions
- NUOO (opens in a new tab) · +300% SEO traffic in 12 months
- PAP (opens in a new tab) · +55% SEO traffic in 4 months
- Parents.fr (opens in a new tab) · +55% SEO traffic x2 pieces of content ranked in Google's top 10
- Sporteed (opens in a new tab) · +204% SEO traffic
- Les Petits Chaperons Rouges (opens in a new tab) · +561% SEO traffic and +35% conversions
- Content Squad (opens in a new tab) · boosting client SEO gains by 80% and sales by 40%
- Comod (opens in a new tab) · +63% clicks on optimized content
- La Vie Claire (opens in a new tab) · +52% SEO traffic
- Venngage (opens in a new tab) · more than one million monthly SEO visitors in under 3 years
- Decathlon (opens in a new tab) · SEO-trafiek verdubbeld
- APRIL Santé Prévoyance (opens in a new tab) · earned position 0 rankings
- Dalma (opens in a new tab)
- Deuxième Avis (opens in a new tab)
- Online Stores (opens in a new tab)
- Decitre (opens in a new tab)
- Fiducial (opens in a new tab)
- Web Rank Info (opens in a new tab)
Client resultsnot scored
No proof yet. Its absence is neutral in the score: it never penalizes the agency.
Editorial selectionnot scored
No editorial selection yet.
04
Specialties
05
Reviews
We never reuse ratings or reviews from other platforms. Reviews from its clients will appear here from 3 reviews.
06
How Semji can improve
These levers come from the measured criteria: each one can raise the score.
- Reach the first page of Google for “SEO agency Lyon” searches.
- Speed up its website (Lighthouse performance: 44/100).
- Publish its prices.
- Claim the profile to add its client results (Search Console).
07
Badges and embeds
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Badge · Top 25% · Best SEO agencies · France · 2026
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<a href="https://contenttosocial.com/seo-agencies/france"><img src="https://contenttosocial.com/badges/semji-lyon/seo-agencies-france.svg" alt="Semji, Top 25% in the Contenttosocial ranking 2026" width="213" height="78"></a>
Badge · Top 25% · Best SEO agencies · Lyon · 2026
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<a href="https://contenttosocial.com/seo-agencies/france/lyon"><img src="https://contenttosocial.com/badges/semji-lyon/seo-agencies-lyon.svg" alt="Semji, Top 25% in the Contenttosocial ranking 2026" width="200" height="78"></a>
Badge · Top 25% · Best SEO agencies · France · Local SEO · 2026
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<a href="https://contenttosocial.com/seo-agencies/france/local-seo"><img src="https://contenttosocial.com/badges/semji-lyon/seo-agencies-france-local-seo.svg" alt="Semji, Top 25% in the Contenttosocial ranking 2026" width="213" height="78"></a>
Badge · Top 10% · Best SEO agencies · France · E-commerce SEO · 2026
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<a href="https://contenttosocial.com/seo-agencies/france/ecommerce"><img src="https://contenttosocial.com/badges/semji-lyon/seo-agencies-france-ecommerce.svg" alt="Semji, Top 10% in the Contenttosocial ranking 2026" width="213" height="78"></a>
Badge · Top 10% · Best SEO agencies · France · Link building · 2026
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Badge · Top 10% · Best SEO agencies · France · International SEO · 2026
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Badge · Top 5% · Best SEO agencies · France · Law firms · 2026
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Badge · Top 5% · Best SEO agencies · France · Health · 2026
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Badge · Top 10% · Best SEO agencies · France · SaaS and tech · 2026
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Badge · Top 10% · Best SEO agencies · France · B2B and industry · 2026
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Badge · Top 5% · Best SEO agencies · France · Tourism and hotels · 2026
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Badge · Top 5% · Best SEO agencies · France · Finance and insurance · 2026
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Badge · Top 10% · Best SEO agencies · France · Retail · 2026
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Badge · Top 10% · Best SEO agencies · Lyon · E-commerce SEO · 2026
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Badge · Top 5% · Best SEO agencies · Lyon · International SEO · 2026
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Badge · Top 25% · Best SEO agencies · Lyon · GEO (AI search) · 2026
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Badge · Top 5% · Best SEO agencies · Lyon · Retail · 2026
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Badge · Top 30% · Best GEO agencies · France · 2026
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Badge · Top 10% · Best GEO agencies · Lyon · 2026
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Badge · Top 25% · Best GEO agencies · France · E-commerce SEO · 2026
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Badge · Top 10% · Best GEO agencies · France · Health · 2026
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Badge · Top 25% · Best GEO agencies · France · B2B and industry · 2026
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Badge · Top 10% · Best GEO agencies · France · Tourism and hotels · 2026
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Badge · Top 5% · Best GEO agencies · France · Finance and insurance · 2026
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Badge · Top 25% · Best GEO agencies · France · Retail · 2026
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Badge · Top 25% · Best GEO agencies · Lyon · Local SEO · 2026
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Badge · Top 10% · Best GEO agencies · Lyon · E-commerce SEO · 2026
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Badge · Top 10% · Best GEO agencies · Lyon · Link building · 2026
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Badge · Top 10% · Best GEO agencies · Lyon · B2B and industry · 2026
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Badge · Top 5% · Best GEO agencies · Lyon · Finance and insurance · 2026
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Badge · Top 10% · Best GEO agencies · Lyon · Retail · 2026
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Badge · 1st place · SEO agency awards · Lyon · International SEO · 2026
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<a href="https://contenttosocial.com/seo-agencies/awards/2026-10"><img src="https://contenttosocial.com/badges/semji-lyon/seo-agencies-awards-2026-10-lyon-international-seo.svg" alt="Semji, 1st place in the Contenttosocial awards 2026" width="200" height="78"></a>
Badge · 2nd place · GEO agency awards · Lyon · 2026
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Badge · 2nd place · GEO agency awards · Lyon · E-commerce SEO · 2026
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Badge · 2nd place · GEO agency awards · Lyon · SEO content · 2026
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Badge · 2nd place · GEO agency awards · Lyon · Link building · 2026
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<a href="https://contenttosocial.com/seo-agencies/awards/2026-10"><img src="https://contenttosocial.com/badges/semji-lyon/geo-agencies-awards-2026-10-lyon-link-building.svg" alt="Semji, 2nd place in the Contenttosocial awards 2026" width="200" height="78"></a>
Badge · 1st place · GEO agency awards · Lyon · International SEO · 2026
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<a href="https://contenttosocial.com/seo-agencies/awards/2026-10"><img src="https://contenttosocial.com/badges/semji-lyon/geo-agencies-awards-2026-10-lyon-international-seo.svg" alt="Semji, 1st place in the Contenttosocial awards 2026" width="200" height="78"></a>
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