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Believe
Marketing · Paris, France · Founded 2005 · IPO 2021 Unicorn
Believe mafia
Startups founded by Believe alumni
Former Believe employees who went on to start their own companies. Sorted by Dealroom signal score.
Global footprint
Where Believe has talent and traffic
(26 of 3,206 staff)
across markets
Capital deployed
Believe's 9 investments and acquisitions.
Every disclosed deal where Believe appeared as a backer or acquirer, 2015–2025. Toggle between venture rounds, M&A, or both. The map below is grouped by the target company's sector — the colored pill on each chip is the round type.
9 deals across Believe's capital deployment.
Where the deals concentrate by sector, stage, and decade.
02 · Portfolio market map
Believe's portfolio, mapped.
Each chip is one company. Pill colour shows round type — green for Seed, blue for Series A, purple for B/C+, pink for late-stage, amber for M&A. Bigger sectors keep their full list behind “+ N more”.
Market sentiment
What the market is saying about Believe
An AI-synthesized read of the highest-engagement posts about Believe on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Believe on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.



