SEO agencies of 1–10 people most visible in AI search in Rennes (2026)

Independent web agency founded in 2015 in Rennes, with offices in Saint-Malo and Paris, Hiboost combines strategy, design, development, SEO and copywriting. Its SEO offer covers technical audit, content and link building, and it has handled site redesigns that preserved existing rankings, for instance for an aluminium joinery manufacturer.

Web agency based in Lamballe-Armor and Pace near Rennes, Inodia combines site creation (PrestaShop, WordPress, Symfony), webmarketing and a graphic studio. Its in-house SEO and GEO offer includes technical and semantic audits, optimisations, content and link strategy, with published figures up to +216% traffic for an e-commerce site.

Size Up is a growth marketing agency created in 2022, combining inbound (social media, content, SEO, GEO, paid search, web design) and outbound (sales prospecting, multichannel campaigns). It serves start-ups, small businesses, mid-sized companies and local authorities, with a 3-month minimum on its search offers.

Web agency based in Cesson-Sévigné near Rennes, specialised in eco-designed and low-tech websites (Nanosite offers), Useweb also offers organic search, paid search, UX/UI design and development. Its projects cover public bodies and companies such as the French Ministry of Ecological Transition, Candriam, Domitys and Maison Bordier.