Organization · Venture Capital
B#
B# is a pre-seed venture capital fund based in Berlin, focused on supporting deep tech founders with capital and guidance. It aims to drive global impact through investments in transformative technologies.
Overview
What B# does
What B# is
B# is a pre-seed venture capital fund based in Berlin, focused on supporting deep tech founders with capital and guidance. It aims to drive global impact through investments in transformative technologies.
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 2025
- Approximate age
- About 1 year
- Structured capabilities
- Funder
- Last reviewed
- April 9, 2026
Official channels
Find B# elsewhere
Open the official website or a supported primary organization account.
Capability profile
B# as a funder
Investment thesis
B# is dedicated to empowering visionary deep tech entrepreneurs with capital, guidance, and a robust network to drive global impact.
Focus narrative
B# exclusively invests in deep tech sectors, including digital tech, climate and energy, industrial transformation and sustainability, and biotech and life sciences. The organization primarily targets pre-seed stage companies, providing funding through convertible notes in the range of €100K to €400K.
Value beyond capital
B# offers access to a vast network of over 750 co-investors and 490 business angels, providing portfolio companies with valuable connections and resources. The backing from the Berlin government ensures patient capital and mission-aligned incentives, making B# a unique ecosystem catalyst for deep tech innovation.
Terms and economics
- Typical check
- $100,000–$400,000
Focus and fit
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 50
Common questions
What to know about B#
Upseed classifies B# under the Venture Capital organization type. Its current public profile includes funder capabilities.
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
April 9, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.