Organization · Venture Capital
Longrun Capital
Longrun Capital is a Sweden-based venture capital firm that invests in seed stage companies in the Nordic region, focusing on advanced materials and energy solutions aimed at addressing climate change.
Overview
What Longrun Capital does
What Longrun Capital is
Longrun Capital is a Sweden-based venture capital firm that invests in seed stage companies in the Nordic region, focusing on advanced materials and energy solutions aimed at addressing climate change.
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 2021
- Approximate age
- About 5 years
- Structured capabilities
- Funder
- Last reviewed
- March 18, 2026
Official channels
Find Longrun Capital elsewhere
Open the official website or a supported primary organization account.
Capability profile
Longrun Capital as a funder
Investment thesis
Longrun Capital is dedicated to addressing climate change by investing in innovative solutions within the built environment, focusing on early-stage companies that develop advanced materials and energy solutions.
Focus narrative
Longrun Capital invests primarily in early-stage companies within the building sector, particularly those focusing on materials and energy innovations. The firm targets investments in the Nordic region with global potential, typically ranging from seed to Series A stages. Investment sizes range from SEK 5 to 20 million, with an emphasis on climate impact and diversity in teams.
Value beyond capital
Longrun Capital adds value to its portfolio companies by providing strategic guidance, fostering innovation, and emphasizing climate impact. The firm supports its companies in navigating the challenges of the built environment sector while promoting diversity within teams.
Terms and economics
- Typical check
- $500,000–$2,000,000
Focus and fit
- Stages
- Seed · Series A
- Regions
- Global · Nordics
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 6
Portfolio context
Notable portfolio companies include: Drupps: Enhances climate resilience by utilizing airborne water to reduce business water needs. GreenIron: Develops fossil-free technology to lower the climate footprint in metal, mining, and manufacturing industries. NODA Intelligent Systems: Optimizes energy systems using artificial intelligence software. NSS Water: Provides ultrapure water solutions for industries like semiconductors, minimizing environmental impact. Ekolution: Creates carbon-negative building materials, including hemp-based insulation. 3eflow: Develops smart tap water systems that reduce energy consumption and improve water delivery efficiency.
Common questions
What to know about Longrun Capital
Upseed classifies Longrun Capital 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
March 18, 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.