Organization · Family Office
SI Capital
SI Capital is an investment firm with over $5 billion in assets under management, focused on sourcing and managing investments across various sectors including clean water, energy, and healthcare.
Overview
What SI Capital does
What SI Capital is
SI Capital is an investment firm with over $5 billion in assets under management, focused on sourcing and managing investments across various sectors including clean water, energy, and healthcare.
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
- Family Office
- Founded
- Founded in 2015
- Approximate age
- About 11 years
- Structured capabilities
- Funder
- Last reviewed
- April 4, 2026
Official channels
Find SI Capital elsewhere
Open the official website or a supported primary organization account.
Capability profile
SI Capital as a funder
Investment thesis
SI Capital focuses on growth opportunities in environmental markets, particularly in sustainable energy. They emphasize asset-backed income with growth potential.
Focus narrative
SI Capital invests in sustainable energy projects across Europe, targeting sectors such as energy efficiency, renewable energy, and related technologies. The firm typically invests between €2 million and €10 million per project, primarily in Europe. Their investment strategy emphasizes asset-backed income with growth potential, and they seek companies with a clear value creation strategy, strong management teams, and favorable market conditions.
Terms and economics
- Typical check
- $2,000,000–$10,000,000
Focus and fit
- Stages
- Growth Equity
- Regions
- Europe
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 8
Portfolio context
Notable portfolio companies include: Invall: A Spanish wind developer with over 150MW capacity in Poland and Macedonia. Enerstar: A Spanish thermosolar developer with over 130MW capacity in Chile. PALLITE: A manufacturer of ultra-lightweight and hygienic pallets. ReEnergise: Focuses on energy efficiency projects for residential and financial services. SEFO: Provides innovative solutions for energy efficiency funding. SI Energy: Offers alternative energy solutions for off-grid installations. Arvia: Develops proprietary organic waste destruction technology for the water and nuclear energy markets. Black Dogs Biogas: Engaged in biogas production and project development across the UK.
Common questions
What to know about SI Capital
Upseed classifies SI Capital under the Family Office 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 4, 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.