




We are Efluenz
Get to know us
Founded in 2018 and part of the Rossel Group, we are an influencer marketing agency based in Lille and Brussels. We don’t just work with a handful of talent, we have a database of over 10,000 influencers! Our mission? To find the perfect influencers for your brand and connect them through hyper-creative campaigns that truly resonate.
At Efluenz, we believe every collaboration is an opportunity to build real, lasting connections. We design, create, and amplify your stories so they truly resonate with your audience and drive meaningful engagement.
Where brands meet influencers to create stories that matter.
Grow with influence
For brands
At Efluenz, we design influencer marketing campaigns to help you achieve your goals: increase brand awareness, generate leads, drive traffic, boost sales, and build loyalty. Our campaigns are tailored to the needs of both B2B and B2C companies, leveraging a vast network of content creators and opinion leaders.
We provide a made-to-measure digital solution that engages communities and delivers the best proposals to advertisers. As a digital creative agency, Efluenz ensures your brand reaches its target audience through the power of influencers, with campaigns that are authentic, impactful, and results-driven.


Join our community!
For influencers
If you’re looking for exciting collaborations, you can join our influencer database!
It’s simple: just fill out the questionnaire below, and we’ll review your profile to match you with the campaigns that best fit your style and audience.
Don’t forget to follow us on Instagram, we regularly post opportunities and calls for new influencer profiles, so you’ll always be in the loop!
Join Efluenz and start collaborating with brands that fit you.