Sidereus Space Dynamics

Active#24 worldwide · Launchers

EOS, a compact single-stage reusable rocket designed to take small payloads to orbit and return, for operators of small satellites.

Industrial, deeptech & space›Launchers sidereus-space.com

HQItaly

Last roundSeed+ · Sep 2023

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
Launchers · worldwide	Top 26	#24	Edition 0 (beta) · Oct 2026	6 Mar 2027

Rank historyOct 2026 · #24 LaunchersFirst edition: no movements yet.

Estimated valuation

AI · Launchers ranking (worldwide)

≈ USD 28MUSD 19–42M · Tens of M$ Medium confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Seed+ · USD 5.4M · Sep 2023

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

Date	Round	Amount	Type	Investors
Sep 2023	Seed+	USD 5.4M	Equity	Primo Space, CDP Venture Capital

EUR 5.1M.

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

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What the AI reads

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Comparable companies in launchers

Full launchers ranking →

Polaris Raumflugzeuge#23GermanyTens of M$Canada Rocket Company#25CanadaTens of M$AstroX#22JapanTens of M$Equatorial Space Systems#26SingaporeMillions $

Investors in Sidereus Space Dynamics: Primo Space · CDP Venture Capital

Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.