Realyze Ventures
Also known as Realyze Ventures Management GmbH, Realyze
Cologne VC for construction, real-estate, skilled-trades and energy tech, formed 2025 by BitStone Capital and MOMENI Ventures; ~EUR 50m first close, 30+ LPs.
Cologne construction, real-estate and energy-tech VC (realyzeventures.com; realyze.vc is a parked domain). Successor fund generation of BitStone Capital, formed with MOMENI Ventures.
- HEADQUARTERS
- Köln, Germany
- FOUNDED
- 2025
- AUM
- €50M (2025)
- OUTSIDE CAPITAL
- Yes
- TEAM LISTED
- 10 people
Focus
- STAGES
- Pre-SeedSeed
- ASSET MIX
- Venture capital
- GEOGRAPHY
- Europe
Overview
Realyze Ventures is a Cologne venture capital firm (Realyze Ventures Management GmbH) investing in European technology start-ups that drive decarbonisation, digitalisation and efficiency in construction, real estate and the skilled trades, and their intersection with energy. It was set up in 2025 when MOMENI Ventures (MOMENI Group) and BitStone Capital (a partner company of Art-Invest Real Estate) joined forces, with five General Partners. Its fund held a first closing of about EUR 50m in June 2025 backed by Art-Invest Real Estate, Cordes & Graefe, Goldbeck, MOMENI, ZECH, family offices and a European bank, and by July 2026 had more than 30 investors including WISAG and The Bau Ventures (Drees & Sommer).
Investment thesis
Industry-integrated VC for the built world: technologies for process efficiency, decarbonisation and the shortage of skilled craftsmen, plus the integration of buildings with the energy transition; investor network of real-estate, construction and energy players provides use cases, validation and customers.
PORTFOLIO (10)
- plancraftNOTABLESoftware & SaaS
- KuroArtificial Intelligence · since 2026
- Phase0Software & SaaS · since 2026
- companion.energyClimate & Energy · since 2026
- encosaClimate & Energy · since 2026
- Fuchs & EuleReal Estate & PropTech · Existing investor in EUR 10m round led by GET Fund (Jul 2026)
- vibooClimate & Energy · since 2025
- alagoSoftware & SaaS · since 2025
- VestigasSoftware & SaaS
- VamoClimate & Energy
People
- Tim FischerGeneral Partner; Managing Director (Impressum); Managing Director of MOMENI Group · source
- Manfred HeidGeneral Partner; Managing Director (Impressum); co-founder of BitStone Capital · source
- Stefan LäuferGeneral Partner; Managing Director (Impressum); CDO of GC group · source
- David NadgeGeneral Partner; Managing Director (Impressum); former Director of MOMENI Ventures · source
- Kai PanitzkiGeneral Partner; Managing Director (Impressum); co-founder of BitStone Capital · source
- Akin ÖzdemirDirector Finance, Prokurist · source
- Marnix RoesDirector, Head of Investments · source
- Matthias LederbogenInvestment Associate · source
- Jan ReemenInvestment Associate · source
- Johanna SchulzCommunication · source
Links
Frequently asked questions
Realyze Ventures is a VC fund based in Köln, Germany, founded in 2025.
Yes. Realyze Ventures invests its own capital in private companies.
Realyze Ventures invests at Pre-Seed and Seed stages in Real Estate & PropTech, Climate & Energy, Software & SaaS and Artificial Intelligence.
Key people at Realyze Ventures include Tim Fischer (General Partner; Managing Director (Impressum); Managing Director of MOMENI Group), Manfred Heid (General Partner; Managing Director (Impressum); co-founder of BitStone Capital), Stefan Läufer (General Partner; Managing Director (Impressum); CDO of GC group) and David Nadge (General Partner; Managing Director (Impressum); former Director of MOMENI Ventures).
Realyze Ventures's investments include plancraft, Kuro, Phase0, companion.energy, encosa, Fuchs & Eule, viboo and alago, among others.
The most recent publicly reported investment by Realyze Ventures is Kuro (EUR 10m round led by UVC Partners; Realyze participated), announced in Sep 2026.
Yes. Realyze Ventures manages capital from outside investors.