Best SEO agencies of 1–10 people in Rennes (2026)

Rennes-based content creation agency, Tout Sourire pairs a photographer-videographer with an SEO and social media specialist. It offers SEO-optimised writing, with editorial calendars and blog articles, alongside photo and video. It works with restaurants, hotels, tourist offices and companies such as Scaleway.

Created in 2021 by Margaux Debosscher, L'artisane is a Rennes communication agency specialised in crafts and architecture. It delivers visual identities, websites, SEO and social media management, for example a website redesign for an exterior joinery maker that preserved its search visibility.

Web marketing agency based in Rennes for more than five years, Meddup supports companies in Brittany on organic and paid search, inbound marketing, web writing, social media and video. Its SEO offer includes a technical audit, keyword research and an editorial strategy, with a team of six people.

Picasseo is a Brittany web agency based in Rennes that supports small and mid-sized companies by combining applied artificial intelligence, website creation, SEO and SEA. Its SEO support relies on continuous tracking of positions and clicks and on technical and mobile optimisation, and a client reports having doubled its quote requests.

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.