bound4blue

Active#28 in Spain

Wind propulsion for ships

Climate›wind propulsion for ships

Founded2014

HQBarcelona

RaisedUSD 44M+

Last roundEquity round · Dec 2025

Country of originSpainListed in the Spain ranking

Where would you invest?SpainJurisdiction as cited by the ranking

Uback rankings

How the AI ranks →

Ranking	Tier	Rank	Edition	Next update
Spain · all sectors	Top 50	#28	Edition 0 – beta · October 2026	3 Nov 2026

Rank historyOct 2026 · #28First edition: no movements yet.

Estimated valuation

AI · Spain ranking

≈ USD 230MUSD 180–280M · Hundreds of M$ High confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Equity round · USD 44M · Dec 2025
AI adjustment: None

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

USD 44M+ raised in total

Date	Round	Amount	Type	Investors
Dec 2025	Equity round	USD 44M (EUR 37.8M)	Equity	OCTAVE Capital, Katapult Ocean, GTT

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

Independent analyses

By industry professionals & analysts

Industry professionals and financial analysts can publish their own analysis of bound4blue as a PDF, on one of three angles only:

ValuationWhat is bound4blue worth?

Versus competitorsIs #28 the right rank?

Who should acquire itStrategic buyers, and why

Publish an analysisName, role and LinkedIn shown · public sources only

Analyses are the opinion of their authors, not of Uback. They are checked before publication.

Invest

Back bound4blue whether or not it has agreed: your intention joins the pool on bound4blue, passed to the local partner once it reaches critical mass. Declaring an intention does not mean this company is raising funds.

Back bound4blue Or back climate in Spain

Pool on bound4blueBelow threshold

BackersBelow threshold

Paid intention · valid for life · movable until a deal process opens. If the company does not follow up, Uback invites its Backers to move their intentions to a competitor or a similar company. Investing in non-listed companies carries a risk of losing all the capital invested.

Do you run bound4blue?

Claim this profile to correct data, add your logo and description, or tell Uback about an upcoming round.

Claim this profile Report an upcoming round → Report an error →

Are you a shareholder?

Considering selling some of your shares? Tell Uback privately. Nothing is published without your consent, and never a price or a volume.

Tell Uback privately

What the AI reads

Read by the AI at the next edition.

Comparable companies in Spain

Full Spain ranking →

H2SITE#31Climate › hydrogen membrane reactorsHundreds of M$Civitatis#27Travel › tours and activities marketplaceHundreds of M$Sateliot#29Space › 5G satellite IoTHundreds of M$Amenitiz#26Travel › hotel management softwareHundreds of M$

Investors in bound4blue: OCTAVE Capital · Katapult Ocean · GTT

Last updated: Oct 2026Report an error

Uback is a content publisher. 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.