Join Capital
VC Fund
Berlin, Germany
JOIN Capital is an early stage VC focused on Seed and Series A investments in Industry 4.0 and enterprise tech. Our portfolio companies are front and center at factories, delivering smart machinery and robotics for high-volume manufacturing. They’re behind the scenes with powerful algorithms for managing global production systems. They rethink andrewire essential processes, with the goal of maximizing human capabilities. We invest in technologies related to core business functions: operations, manufacturing, data analytics, supply chain and software development. We seek innovative solutions to real customer problems that have achieved product-market fit. Technologies we invest in include: machine learning, robotics, cloud computing, IoT, smart sensors.
- Total investments:
- 52
- Last investment:
- Lead investor:
- 60%
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Join Capital invests in
Stages Join Capital invests in
Countries Join Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $1M–$9.5M
- Series A
- $5.1M–$12M
Investment Focus
Industry
- Software 21 (40%)
- Artificial Intelligence 12 (23%)
- Manufacturing 8 (15%)
- SaaS 6 (12%)
- Semiconductor 5 (10%)
Stage
- Seed 21 (40%)
- Series A 13 (25%)
- Funding Round 5 (10%)
- Venture - Series Unknown 3 (6%)
- Pre-Seed 2 (4%)
Country
- Germany 9 (17%)
- United Kingdom 7 (13%)
- The Netherlands 4 (8%)
- Spain 3 (6%)
- Italy 2 (4%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Jan Borgstaedt
Managing Partner
|
Managing Partner | Total investments: 5 | Find email | |
Manuel Effenberg
CFO
|
CFO | Total investments: 0 | Find email | |
Philippe von Klitzing
Investment Analyst
|
Investment Analyst | Total investments: 0 | Find email | |
Sebastian Ribbentrop
Managing Partner
|
Managing Partner | Total investments: 9 | Find email | |
Tobias Schirmer
Managing Partner
|
Managing Partner | Total investments: 6 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
InSpacePropulsion Technologies
|
ISPTech is a Spin-Off of the Institute of Space Propulsion at the German Aerospace Center (DLR). It offers non-toxic, green propulsion solutions | $6.5M / Seed / Feb 27, 2026 | |
Hyperpilot^
|
Hyperpilot^ builds AI-driven automation tools that enhance software engineering efficiency and development processes. | $2.7M / Pre-Seed / Dec 04, 2025 | |
Kreios Space
|
Kreios Space is a deep-tech startup based on the R&D of technologies for enabling the Very Low Earth Orbit (VLEO). The company was founded on May 2021 by 6 founders and is currently aimed at prototyping and getting into the market an Air-breathing electric propulsion system, which will allow the satellites to operate in orbits much closer tothe Earth (from 100 to 400Km height meanwhile they are currently set over 500Km), providing a huge improvement to the resolution for both telecommunications and Earth observation. | $9.5M / Seed / Sep 17, 2025 | |
QuadSAT
|
QuadSAT has been established as a VSAT solution and R&D company in Horsens, Denmark. Their satellite service offerings range from preventative maintenance, servicing, upgrades and new installation on Ku, C-band, and TVRO installations whether it is maritime or terrestrial.They also provide consultation, auditing, surveying and projectmanagement ensuring a reliable and efficient communications network for Their clientele.Their company has built on innovation; therefore they pay attention to the newest technologies and work on their own inventions to improve the service level in the whole satellite industry. | $5.8M / Series A / Jul 17, 2025 | |
36ZERO Vision
|
FotoNow is an AI-powered visual inspection system developed to identify and solve a wide range of manufacturing quality issues. It offers a fully automated error tracking and identification for optimized manufacturing agility and quality, factory throughput, and capital spending. | $4.2M / Jul 15, 2025 | |
PhotonPath
|
Photonpath designs and produces integrated photonic devices to obtain, transmit and process information using light. They design and manufacture integrated photonics-based products for communication and sensing applications, to overcome electronic limits. Their applications include communications, sensing, and quantum. Their tech includes firmware,software, packaging solutions, a proprietary platform, automated testing, automated assembly, and an optical interface. | $6M / Series A / Jun 25, 2025 | |
Optics11
|
Optics11 is a fast-growing high-tech company that aims to enable the biomaterials research and tissue engineering field with opto-mechanical measurement systems. Originating from the VU University of Amsterdam, The Netherlands, prof. Davide Iannuzzi founded the company in 2011 together with Hans Brouwer. Building on the fiber-top sensingtechnology, they laid the foundation for a range of technological solutions, which are now finding their way into successful products. | $19M / Venture - Series Unknown / May 13, 2025 | |
Astrape Networks
|
Astrape powers the future of datacenters: more bandwidth, less power. | $6.2M / Seed / Apr 29, 2025 | |
FaradaIC Sensors
|
FaradaIC Sensors is to commoditize gas sensors and provide flexible gas sensing at a cheap cost for the expanding market of IoT applications. | $4.9M / Seed / Apr 07, 2025 | |
CamGraPhIC
|
CamGraPhIC designs, develops, and manufactures next-generation photonic circuits for telecoms and datacoms. | $27M / Series A / Mar 24, 2025 | |
| See all 52 investments → | |||
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FAQ
What does Join Capital invest in?
Join Capital invests primarily in Software, Artificial Intelligence and Manufacturing startups, most often at Seed and Series A stage. Most of the 52 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Join Capital's check size?
Join Capital typically joins rounds of $1M–$9.5M at Seed and $5.1M–$12M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Join Capital participates in.
How do I contact Join Capital?
Public channels for Join Capital include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Join Capital?
The team at Join Capital includes Jan Borgstaedt (Managing Partner), Manuel Effenberg (CFO) and Philippe von Klitzing (Investment Analyst). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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