Startups
Upstream (YC S23)
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Upstream (YC S23)

Trusted
https://www.upstream.do/
Last activity: 03.06.2026
Active
Categories: AICollaborationEmailProductivitySaaS
Upstream is where modern teams collaborate.
Followers
241
Mentions
2

Overview

Location
France
Employees
1-10
Total raised
$3M

Investors 1

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Funding Rounds 1

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Mentions in press and media 2

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Upstream“Upstream is a messaging app for teams, built on top of email.”

Reviews 0

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FAQ about Upstream (YC S23)

How much funding has Upstream (YC S23) raised?

Upstream (YC S23) has raised $3M in total across 1 funding round.

What has the press written about Upstream (YC S23)?

Parsers VC has collected 2 articles mentioning Upstream (YC S23), among them “Upstream”.

Is Upstream (YC S23) still active?

Yes, Upstream (YC S23) is active; its latest activity on Parsers VC dates from Jun 3, 2026.