BitStone Capital — Full Portfolio

alcemy provides software that uses cement producers' lab data to predict cement strength in real time and automate recipe and mill fineness decisions, aiming to reduce clinker content and cut CO2.

Advanced ManufacturingAI & Machine LearningCleantechClimate TechConstruction TechBerlin, DE

LSLeopold Spenner(CEO)inRMRobert Meyer(CTO)in

Co-investorsENEntrepreneur FirstHAHAWKTAILGAGalvanize Climate Solutions

Architrave provides an AI-powered document and asset intelligence platform for commercial real estate, automatically classifying, extracting, and validating data from property documents against a standardized data language of 468 document classes and 1,361 data fields.

AI & Machine LearningPropTechSaaS

Co-investorsPRPride Capital PartnersPTPT1

Doozer is a SaaS platform for managing the renovation of vacant apartments, targeting professional residential property owners with roughly 3,500+ units.

Construction TechPropTechSaaS

Co-investorsFUFuture Energy Ventures

dotscene provides 3D laser scanning and mobile mapping products (such as the dotcube) together with a browser-based cloud platform for digitizing real estate and buildings, including digital surveys and 3D CAD models.

Cloud ComputingHardwarePropTechFreiburg, DE

encosa plans, installs, and operates battery storage systems for businesses, optimizing electricity use behind the meter (peak shaving, self-consumption, reduced grid fees) while also trading available storage capacity on energy, capacity, and intraday markets.

CleantechClimate TechEnergy

Sascha KoberstaedtSebastian Becker

Co-investorsFIFirst Momentum

Green Fusion provides energy management solutions for the residential real estate sector to optimize heating transitions and reduce carbon emissions.

CleantechClimate TechEnergyPropTech

MZMatteo Zappulla(Chief Technology Officer & Co-Founder)inSimon Wagenknecht(Chief Engineering Officer & Co-Founder)inNGNina Germanus(CEO & Co-Founder)inPHPaul Hock(CEO & Co-Founder)inTFThomas Filkorn(Chief Revenue Officer & Co-Founder)inCMChris Menzel(Chief Innovation Officer)in

Co-investorsBRBrandenburg KapitalVIVireo VenturesXAXAnge

Lichtwart provides a service platform for light, energy, and building management that connects buildings and facilities with service technicians via a hardware module and cloud application.

CleantechEnergyIoT

JMJohannes Mailänder(Founder)in

node.energy provides a software platform for commercial asset management of renewable energy facilities, helping operators automate regulatory compliance and financial reporting for wind and solar parks.

EnergyEnterprise SoftwareSaaS

Co-investorsDEDeepTech & Climate Fonds1010x FoundersCACanaan PartnersNENew Enterprise Associates (NEA)RERedpoint Ventures

Okibo builds battery-operated robots that automate painting and drywall finishing for skilled construction teams, using AI-guided 3D scanning and real-time modeling to operate without special setup.

AI & Machine LearningConstruction TechRoboticsEnglewood, US

Nadav Shuruk(Founder)in

Co-investorsKIkineo financeSHShadow Ventures

OptimL appears to provide decision intelligence and data services for real estate professionals including property owners, investors, portfolio managers, asset managers, and transaction managers.

AI & Machine LearningClimate TechCloud ComputingData & InfrastructureImpact & Social GoodPropTech

Co-investorsKOKOMPAS VCPLPlanet A VenturesINInnovation Endeavors

Pinestack offers a smart-building platform built around a digital twin (ONEvr) that unifies booking, sensor and access data for energy/ESG optimization, space utilization, predictive maintenance and tenant experience.

AI & Machine LearningIoTPropTech

GebäudeCheck by PLAN4 is software for structured on-site condition assessment of existing buildings, deriving renovation needs and costs (per DIN 276) and enabling multi-year investment planning.

Construction TechPropTechSaaS

THThorsten Harig(Founder)inHSHendrik Seibel(Founder)in

plancraft is an AI-powered operating system for European tradespeople and craft businesses that automates administrative work and provides management tools.

AI & Machine LearningConstruction TechFintechSaaSHamburg, DE

AlexanderRichardJulian

Co-investorsCRCreandumHEHeadlineHEHeadline Growth Management, LLCRERealyze Ventures

Realyze Ventures is a venture capital firm investing in pre-seed to Series A technology companies across the real estate, construction, and energy sectors in pan-European markets.

CleantechClimate TechConstruction TechPropTech

MHManfred Heid(Founder)in

shareDnC operates an online marketplace that connects companies with unused office space to freelancers, startups, and small and medium-sized businesses looking for flexible offices, private office rooms, or individual desks.

Future of WorkMarketplacesPropTech

smino is a digital collaboration platform for construction teams that centralizes project data, task management, and team communication in real-time.

Construction TechEnterprise SoftwareFuture of WorkSaaSSwitzerland, CH

Co-investorsSESerpentine VenturesZAZAKA VC

smino is a collaboration platform designed for construction teams to centralize project data, manage tasks and defects, and streamline real-time communication on job sites.

Construction TechFuture of WorkPropTechSaaS

synavision offers monitoring and operational optimization software for building technical systems, analyzing plant data in real time to cut energy use, CO2 emissions, and operating costs in new and existing properties.

CleantechPropTechSaaS

Vermieten+ is a digital software toolset for private landlords to manage properties, including utility cost billing (Nebenkostenabrechnung), finances, document storage with templates, and re-letting via listings.

FintechPropTechSaaS

VoiceLine builds a voice- and AI-powered tool that captures field information and reduces manual admin work, aimed at replacing clunky systems and manual data entry for sales teams.

AI & Machine LearningEnterprise SoftwareSaaSSales TechFrankfurt, DE

NHNicolas Höflinger(Co-founder & CEO)inSebastian Pinkas(Co-founder & CTO)inNKNicolas Kübler(Chief Product Officer)in

Co-investorsCACavalry VenturesNANAPPEPeakSCSCALEHOUSE Capital ManagementVEVenture StarsALAlstin Capital+1 more

WTEC provides smart building solutions for educational facilities, combining low-voltage LED lighting control, real-time sensor networks, and indoor air quality monitoring to reduce energy consumption and improve student learning environments.

CleantechCloud ComputingConstruction TechEdTechEnterprise SoftwareIoT

XING provides recruiting tools, advertising solutions, and professional networking premium services for businesses to find talent, reach target audiences, and increase company visibility within a professional network environment.

Enterprise SoftwareFuture of WorkHR TechSaaSSocialHamburg, DE

Co-investorsAVAviv Venture CapitalBRBrandenburg KapitalCJCJH Family Office GmbHECECONA AGFXFX VenturesISIsaac Lidsky+3 more