Form for Effidays 2026

Effidays B2B is a professional networking event taking place on Tuesday, March 17, 2026, from 2:00 PM to 5:30 PM at 85 Rue Compans, 75019 Paris. Organized by the Effinity team, this in-person gathering connects advertisers and partners to exchange ideas, build new collaborations, and stay ahead of key B2B market trends. Through expert talks and practical case studies, covering GEO, lead cost optimization, influence and newsletters, Reddit for decision-makers, and LinkedIn Ads strategies, the event helps businesses strengthen their digital acquisition and drive new growth opportunities.

About Us

We are Les Années Folles, the leading B2B influencer marketing agency in France, and we are now expanding internationally. We have collaborated with renowned brands such as HubSpot, Fiverr, Cegid, and Harmonie Mutuelle on influencer and thought leadership campaigns.

Our mission: to humanize B2B marketing by connecting companies with their audiences through credible thought leaders and immersive content formats – vlogs, podcasts, live sessions, and more. From tech and finance to HR, we help brands gain credibility, reach decision-makers, and amplify their marketing impact through authentic and impactful campaigns.

Testimonials

“A very responsive agency that truly understands its clients’ needs. The B2B influencer that Les Années Folles connected us with has been supporting us perfectly throughout the collaboration. I highly recommend Les Années Folles.”

Annelore Chrismann

Harmonie Mutuelle

“The support from the Les Années Folles agency was a real boost for us, with visibility and qualified leads! The team is committed and very friendly!”