FundraiseBase by

Upstream

Raised $3M, announced 3 June 2026.

Round

Upstream raised $3M to launch its collaborative AI inbox.

Amount: $3M
Announced: 3 June 2026
Investors: Y Combinator, Connect Ventures, Roosh Ventures
Checked: Amount and date matched across 2 press sources

Company

Offers a collaborative AI-powered shared inbox for teams.

Based in: Paris
Sector: AI
Website: upstream.do ↗

Founder

Louis LecatCEO and co-founderLinkedIn ↗

Sources and links

Sources: YC-backed French startup Upstream raises $3M to rebuild email in the era of AI agents - Tech Funding News news.google.com
Upstream raises $3M to launch collaborative AI inbox backed by YC and Xavier Niel - Tech.eu news.google.com
Website: upstream.do ↗
LinkedIn: Louis Lecat ↗

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