Organization · Venture Capital
Castanjo Ventures
Castanjo Ventures is a boutique venture capital firm based in Amsterdam, focusing on early-stage startups that create a positive impact on society, climate, or culture. The firm emphasizes sustainable and ethically responsible investments.
Overview
What Castanjo Ventures does
What Castanjo Ventures is
Castanjo Ventures is a boutique venture capital firm based in Amsterdam, focusing on early-stage startups that create a positive impact on society, climate, or culture. The firm emphasizes sustainable and ethically responsible investments.
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
- Structured capabilities
- Funder
- Last reviewed
- April 25, 2026
Official channels
Find Castanjo Ventures elsewhere
Open the official website or a supported primary organization account.
Capability profile
Castanjo Ventures as a funder
Investment thesis
Invest early in ventures with a positive impact on society, climate, or culture.
Focus narrative
Castanjo Ventures focuses on early-stage ventures that contribute positively to society, the climate, or culture. The firm emphasizes sustainable and ethically responsible projects, seeking to back innovative solutions that align with its impact-driven investment thesis.
Value beyond capital
Castanjo Ventures adds value to its portfolio companies through its team's extensive experience in building brands and navigating the complexities of startup growth. The firm provides strategic guidance in marketing, operations, and legal matters, ensuring that its investments are not only financially sound but also aligned with ethical and sustainable practices.
Focus and fit
- Stages
- Pre-seed · Seed · Series A
- Regions
- Europe
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 5
Portfolio context
Notable portfolio companies include: Next Kidney: Focuses on innovative solutions in kidney health. Implant Preservation Devices: Specializes in medical devices for dental and surgical applications. NLC: Works on transforming treatments for cartilage injuries. Idris Oncology: Engages in oncology-focused innovations. Lorentz Audio: Develops advanced audio technology solutions.
Common questions
What to know about Castanjo Ventures
Upseed classifies Castanjo Ventures 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 25, 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.