Organization · Venture Capital

Sunfish Partners

Sunfish Partners is an early-stage venture capital firm based in Berlin and Warsaw, focusing on deep tech startups in the space and defense sectors from Eastern Europe and the CEE region.

Venture CapitalFunder

Overview

What Sunfish Partners does

What Sunfish Partners is

Sunfish Partners is an early-stage venture capital firm based in Berlin and Warsaw, focusing on deep tech startups in the space and defense sectors from Eastern Europe and the CEE region.

How it participates in the startup ecosystem

The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.

Operational profile

Organization status and context

Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.

Operational status
Active
Organization type
Venture Capital
Founded
Founded in 2016
Approximate age
About 10 years
Structured capabilities
Funder
Last reviewed
May 2, 2026

Official channels

Find Sunfish Partners elsewhere

Open the official website or a supported primary organization account.

Capability profile

Sunfish Partners as a funder

Investment thesis

Sunfish Partners invests in pre-seed stage startups focused on hardware and software innovations in the space and defense sectors, aiming to secure Europe's autonomy.

Focus narrative

Sunfish Partners primarily invests in pre-seed stage startups, typically providing funding between €150,000 and €300,000. The firm focuses on hardware and software innovations that contribute to the space and defense industries, aligning with its mission to strengthen European autonomy through technological advancements.

Value beyond capital

Sunfish Partners provides strategic support to its portfolio companies by leveraging its expertise in deep tech and its extensive network within the space and defense sectors. The firm aims to empower founders with the resources and guidance needed to navigate the complexities of early-stage development and market entry.

Terms and economics

Typical check
$150,000–$300,000
Sweet spot
$250,000

Availability

Currently deploying
Yes

Portfolio and track record

Recorded portfolio count
7
Recorded notable exits
Alphamoon

Portfolio context

Notable portfolio companies include: 1Security: Enhances security for Microsoft 365 users. Aether Biomedical: Works on making bionics accessible to a wider audience. C2Grid: Engages in AI applications within space and defense. HyperBUNKER: Involved in cybersecurity and space defense. Sky Spy: Specializes in drones and signals intelligence. Molecule.one: Focuses on AI for drug discovery and health. DefendEye: Develops AI solutions for defense and drones.

Common questions

What to know about Sunfish Partners

Upseed classifies Sunfish Partners under the Venture Capital organization type. Its current public profile includes funder capabilities.

Next step

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Source and update disclosure

Know what this page is based on

Source basis

Public organization and program material, official websites, and structured Upseed records.

Last reviewed

May 2, 2026

Known limits

Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.

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