Klarsen
Data marketing agency for advertisers and agencies in France: audience activation, lead generation and performance measurement
Highlights
- New on EvolcAdded 2026-11-02
About Klarsen
Klarsen is a data marketing agency based in Bordeaux. Its services cover data strategy and audience structuring, audience activation, lead generation, performance tracking, media buying and social media work. These are organised into three solutions: acquisition and lead generation, activation and performance marketing, and data valorisation and quality.
Customers are advertisers, companies and agencies. Alongside its services, Klarsen operates proprietary data and media assets, including the Ciblexo first-party database, the Klarsen Partenaires inventory of partner databases, and lifestyle, food, consumer and contest-based media sites such as guide-bien-vivre.fr, guide-gourmand.fr, concours.fr and conso.fr.
Klarsen was founded in 2000 and has its headquarters in Bordeaux. The company states that it has accompanied more than 120 clients, has 85 active clients and works with 20 million unique contacts. Its financial releases are published under the ALKLA name on Euronext Growth Paris.
Product: Audience segmentation and activation, lead generation, performance measurement, media buying, and proprietary databases and media sites (Ciblexo, Klarsen Partenaires).
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