Upstream is a modern email client designed for team collaboration. It helps teams have conversations that are easy to track, rich in context, and transparent with the rest of their company. Upstream's agents sort noise, draft replies in the user's voice, follow up at the right time, and handle tasks such as finding receipts or scheduling meetings.
Investment Rounds
Capital activity and funding progression
| Amount | Date | Round |
|---|---|---|
| $3 M | Jun, 2026 | pre-seed |
Industries
Frequently Asked Questions
Where is Upstream located?
Upstream is located in Paris, France.
What industries does Upstream operate in?
Upstream operates in the following industries: Technology, Information and Internet.
When was Upstream founded?
Upstream was founded on 2026-06-03.
How much total funding has Upstream raised?
Upstream has raised a total of $3,000,000.
Who are the investors in Upstream?
The investors in Upstream are: Y Combinator, Connect Ventures, Koen Bok, Jorn van Dijk, Nicolas Dessaigne, Julien Lemoine, Linda Tong, Jean-Charles Samuelian-Werve, Dave King, Roxanne VARZA.
What is the primary function of the Upstream platform?
Upstream is an AI-native, collaborative email inbox designed for teams. It reimagines email infrastructure to allow humans and AI agents to work together seamlessly, supporting features like shared team context, automated drafting, and smart prioritization.
How does the Upstream platform differ from traditional email clients?
Unlike traditional email clients built for solo management, Upstream is designed specifically for team collaboration. It provides a unified workspace where teams can share context on email threads, assign tasks, and integrate AI agents that can read, write, and act on behalf of users.
Who founded the Upstream platform?
Upstream was co-founded by CEO Louis Lecat, formerly of Asana and Algolia, and CTO Jonathan Tiret.