Rheingau Founders — Full Portfolio
47 tracked investments · listed companies and verified rows first
GrabAcademy, established in 2020, provides learning and development programs and training support for Grab's partners to help them deliver services and prepare for future challenges.
EdTechFintechFuture of WorkLogistics & Supply ChainMarketplacesMobility & TransportationSingapore, SG
Anthony Tan(Founder)inHooi Ling TaninCheryl GohChin OngKell LiminSarah Limin
Co-investors137 Ventures500 Global500 Startups VietnamArbor VenturesBase PartnersBeacon VC+21 more
Adaptyv Bio develops technologies for protein engineering that enable the design and testing of new proteins for applications in medicine, industrial enzymes, and functional materials.
AI & Machine LearningBiotechDeep TechHealthtechLausanne, CH
Julian Englert(CEO)inDaniel Nakhaee-Zadeh Gutierrez(Founder)inRobert KapturinGerard AntouninSam BurnsinDaniel Nakhaee-Zadeh(CTO)in
Co-investorsHAWKTAILNeer Venture PartnersUnruly CapitalY CombinatorACE & CompanyAxial VC+2 more
Akhetonics develops all-optical computing hardware based on photonic integrated circuits that generate nonlinear optical operations, enabling optical logic gates, analog mathematical operations, optical memory, and quantum feed-forward.
Deep TechHardwareSemiconductors
Leonardo Del Bino(Founder)inMichael Kissner(Founder)in
Co-investorsBayern KapitalMatterwave VenturesRuna Capital468 Capital
Asayer (OpenReplay) offers session replay and product analytics software that lets teams record and watch how users interact with their web apps to spot friction points, errors, and drop-offs.
Data & InfrastructureDeveloper ToolsSaaSNew York, US
Mehdi Osman(Executive Officer, Director)in
Co-investorsKima Ventures468 CapitalExpaRuna Capital
Authologic provides digital identity verification and KYC/AML compliance solutions for regulated businesses globally.
CybersecurityDeveloper ToolsEnterprise SoftwareFintechWarsaw, PL
Jarek Sygitowicz(Founder)inKrzysztof Klimczak(Founder)inMarek Rogoziński(Founder)in
Co-investors7percent VenturesImmeasurableOpenOceanPeakY Combinator
Billie provides B2B payment solutions, including buy-now-pay-later options such as invoice purchase (Kauf auf Rechnung), installment payments, and trade accounts, with omnichannel and cross-border integration options.
FintechSaaSNew York, US
Georgina Gooley(Executive Officer, Director)inJason Bravman(Executive Officer, Director)inChristian Grobe(Founder)inAiga Senftleben(Co-Founder, Managing Director & General Counsel)inMatthias Knecht(Co-Founder & Co-CEO)in
Co-investorsDawn CapitalGR CapitalPICUS CAPITALCreandumRocket Internet SESilverton Partners+1 more
Booksy is a free mobile app for discovering and booking appointments with beauty and wellness service providers such as barbers, hairdressers, massage therapists, and manicurists.
ConsumerMarketplacesChicago, US
Konrad Howard(Executive Officer)Stefan Batory(Founder & CEO)Kristina Salen(Executive Officer)inRipsy Bandourian(Executive Officer)inEwelina Macewicz(Executive Officer)inSelim Dogguy(Executive Officer)in
Co-investorsAternusCoelius CapitalEndeavor CatalystInovia CapitalInovo VCKAYA+8 more
Customer Alliance provides a guest feedback intelligence platform that enables hotels to centralize reviews, automate feedback collection, and respond to reviews with AI assistance.
AI & Machine LearningMarketing TechSaaSTravel & HospitalityBerlin, DE
Co-investorsRound2 Capital PartnersSenovo
Datapine was a Berlin-based business intelligence startup offering a self-service data analytics and dashboard platform that let users connect data sources and build visualizations without SQL knowledge.
Construction TechData & InfrastructureSaaS
Rene Wolf(Chief Executive Officer)in
Co-investorsVenista Ventures
Co-investorsHeal Capital
Boam AI provides managed, AI-driven CRM data management that verifies, enriches, and continuously refreshes merchant and business data for sales, data, and AI teams at SMB and enterprise organizations.
AI & Machine LearningData & InfrastructureSaaS
Co-investorsCo=Creation=CapitalDorm Room
Mozilla is a global community organization that develops and maintains open-source internet infrastructure, including the Firefox web browser and Thunderbird email client, while advocating for internet openness, privacy, and user control.
ConsumerCybersecurityDeveloper ToolsSector AgnosticSan Francisco, US
Co-investorsBattery VenturesBridgewater AssociatesFirst Round CapitalMello RDCOntario Centre of Innovation programsVeritus Holdings
HER ONE develops dietary supplements designed for women's everyday wellness and preventive health, focusing on holistic care and closing gaps in women's healthcare.
ConsumerDirect to ConsumerE-commerceFemTechWellness & Fitness
Co-investorsFive Seasons Ventures
TELUS Health Engage (Humanoo) is a corporate wellbeing platform that offers employees guided programs in fitness, mindfulness, and nutrition alongside coaching, challenges, and community features.
Digital HealthHR TechWellness & Fitness
Co-investorsCreathor VenturesRocket Internet SEVerve Ventures
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Humly offers space booking and desk sharing solutions, including booking devices for managing workspace reservations.
Future of WorkPropTechSaaS
Co-investorsAlfvén & DidriksonViking Venture
Jutro Medical operates primary care clinics (POZ) in Poland offering telemedicine and in-person visits under the public NFZ system, with an app for booking appointments and accessing prescriptions, test results, and recommendations.
Digital HealthHealthtechWellness & Fitness
Adam Janczewski(Founder)in
Co-investorsInovo VCKAYAKogito VenturesMarket One CapitalnaturalX Health VenturesWarsaw Equity Group+4 more
Platform connecting construction companies and freight forwarders to optimize supply chain logistics and truck utilization on construction projects.
LINDERA offers an AI-supported mobility-analysis app that lets patients record their movement by video to assess and reduce fall risk, with tools like L.Gait providing gait parameters for physicians and therapists.
AI & Machine LearningDigital HealthHealthtechBerlin, DE
Diana Heinrichs(Founder)in
MieterEngel connects tenants in Germany with a network of partner lawyers who provide online legal advice on rental and tenancy issues, typically within 48 hours.
LegalTechMarketplaces
MOLEQLAR produces high-purity methyleneblue solution in pharmaceutical-grade quality for scientific and technical applications.
BiotechConsumerDeep TechHealthtechLongevityNew MaterialsWellness & Fitness
NetBird provides a network and cybersecurity platform designed to make secure private networking affordable and accessible to companies of all sizes.
Cloud ComputingCybersecurityDeveloper ToolsEnterprise Software
Co-investorsInreach VenturesNauta CapitalAntler
OpenReplay is a session replay and product analytics platform that enables product teams to record user interactions with web applications, identify friction points, and troubleshoot issues.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSNew York City, US
Mehdi Osman(Founder)in
Co-investorsExpaRuna CapitalY Combinator468 Capital
OptioPay offers plug-and-play solutions that let companies reward their existing customers for sharing data and engaging with data-driven, personalized deals.
FintechMarketing TechSaaS
Marcus Börner(Founder & Executive Chairman)in
Co-investorsDvH VenturesLeadX Capital Partners
ProvenExpert.com is an online review and ratings aggregation platform that helps businesses and freelancers collect and showcase customer feedback to attract new customers and increase revenue.
ConsumerMarketing TechRetail TechSaaSSales TechBerlin, DE
Remo Fyda(CEO)inKlaus(CPO)Alexander(CTO)Sven(CFO)
Co-investorsBellevue Investments & Co
Qualifyze offers a centralized audit management platform for life sciences supply chains, letting quality and procurement teams plan, execute, and track supplier GxP audits globally with integrated CAPA tracking.
AI & Machine LearningBiotechEnterprise SoftwareHealthtechSaaS
Co-investorsAuxxoCherry VenturesHeartfelt CapitalHEARTFELT_Insight PartnersHV Capital
Remerge operates a mobile demand-side platform (DSP) focused on in-app retargeting and advertising, helping brands reach and re-engage users within mobile apps.
AdTechMarketing TechSaaSBerlin, DE
Co-investorsGerman Startups GroupPoint NineWestTech Ventures
Simplesurance is an embedded insurance technology provider that delivers insurance products through B2B and B2C solutions across industries including banking, automotive, e-commerce, travel, and cybersecurity.
Enterprise SoftwareFintechInsurTechSaaSBerlin, DE
Robin von Hein(Managing Director, Founder)inJoachim von Bonin(Managing Director Finance, Co-Founder)in
Co-investorsAllianz XGerman Startups GroupLA ROCA CapitalRoute 66 VenturesTempoCapODDO BHF+1 more
Urban Sports Club offers a flexible membership giving access to fitness studios and over 50 sports and wellness activities across Europe, bookable via its app for in-person, free-training, or live online sessions.
MarketplacesSports TechWellness & Fitness
Moritz Kreppel(Founder)inBenjamin Roth(Founder)in
Co-investorsb2ventureClaret Capital PartnersPeakRTP GlobalSevenVenturesHV Capital+2 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
AppsFireDstackGebrauchtLengooLieferandoMedlanesNeptunePatronusRapidapeRealxdataSolvemedgroupSoniqservicesTakeaway
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.