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Upstream

The company has rebuilt email infrastructure from the ground up to support AI agents that can read, write, organise, and act on behalf of users, rather than layering assistants onto traditional email clients originally designed only for human interaction.

Paris, Francewww.upstream.do ↗
AI
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Total raised
€2.6M
€2,583,296
Funding rounds
1
Investors
4
distinct backers
Active since
2026-06
latest 2026-06

Funding by year

EUR raised per year · 2026 YTD

Signals

High confidence
Raise-next likelihood15
base rate 24% for Pre-Seed
  • ▼ Raised very recently
  • ▼ Low backer re-investment

Timing: too soon vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.

Funding rounds

1 rounds
DateStageAmountInvestors
2026-06-03Pre-Seed€2.6MAngel Investors,Connect Ventures,Roosh Ventures ,Y CombinatorView deal →

Investors

4
Angel InvestorsConnect VenturesRoosh Ventures Y Combinator

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