Fundraising Fox

Rheingau Founders

Venture capital

Berlin · Pre-Seed–Late Stage · 8 people tracked

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Investment thesis

Rheingau Founders backs early-stage start-ups with the potential to sustainably disrupt existing processes and value chains, aiming to support the 'hidden champions of tomorrow.' The firm combines building and investing, drawing on a team of experienced tech founders, data experts, former management consultants and lawyers. It emphasizes hands-on support and networking to help portfolio companies succeed, with a track record that includes companies such as Simplesurance and Urban Sports Club.

Source: firm website, verified Aug 3, 2026.

Stage
Pre-Seed–Late Stage
Check
$220K – $1.6M
HQ
Berlin, DE
Leads rounds
Leads
Instruments
Equity
Founded
2003
Tracked investments
45

Team · 8 people

from the firm's website
Niels Müller· Principalin
Benjamin Roth

Associated with Urban Sports Club, a portfolio company of Rheingau Founders.

What they invest in

from 29 of 45 portfolio companies

SaaS ×14Fintech ×5Marketing Tech ×5Marketplaces ×5Wellness & Fitness ×5AI & Machine Learning ×4Consumer ×4Data & Infrastructure ×4

HQs:Germany×7United States×6Poland×2Switzerland×1Singapore×1

Who they back

founder profiles across 11 portfolio companies
55%
solo founders
6 of 11 mapped founding teams
50%
repeat founders
of 10 founders with career history

Founding team size:solo founder×62 founders×23 founders×14+ founders×2

Where their founders studiedfrom 10 founders with education data

Warsaw University of Technology ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×3

Investments · 45 tracked

founders shown can be your intro path

By year:2022 · 12018 · 12 dated

Grabgrab.comin𝕏NASDAQ: GRAB

Grab operates a superapp serving Southeast Asia, offering services including ride-hailing and mobility, deliveries, and financial services through Grab Financial Group.

FintechLogistics & Supply ChainMarketplacesMobility & TransportationSingapore, SG

Anthony Tan(Founder)inCheryl GohChin OngHooi Ling TanKell LimSarah Lim

Co-investors137 Ventures500 Global500 Startups VietnamArbor VenturesBase PartnersBeacon VC+21 more

Adaptyvadaptyvbio.comin𝕏

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(Founder)inDaniel Nakhaee-Zadeh Gutierrez(Founder)inRobert KapturGerard AntounSam Burns

Co-investorsHAWKTAILNeer Venture PartnersUnruly CapitalY CombinatorACE & CompanyAxial VC+2 more

Akhetonicsakhetonics.comin𝕏

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-investorsMatterwave VenturesRuna Capital468 CapitalBayern Kapital

AppsFiremadvertise.com

Co-investorsFJ LabsPoint Nine

Asayerasayer.ioin𝕏Apr 2022

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)

Co-investorsKima Ventures468 CapitalExpaRuna Capital

Authologicauthologic.comin

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

Billiebillie.ioin𝕏Mar 2018

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)Jason Bravman(Executive Officer, Director)Christian Grobe(Founder)inDr. Matthias Knecht(Founder)Aiga Senftleben(Co-Founder, Managing Director & General Counsel)inMatthias Knecht(Co-Founder & Co-CEO)in

Co-investorsDawn CapitalGR CapitalPICUS CAPITALCreandumRocket Internet SESilverton Partners+1 more

Booksybooksy.com

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)Ripsy Bandourian(Executive Officer)Ewelina Macewicz(Executive Officer)Selim Dogguy(Executive Officer)

Co-investorsAternusCoelius CapitalEndeavor CatalystInovia CapitalInovo VCKAYA+8 more

Customer Alliancecustomer-alliance.comin𝕏

Customer Alliance is a guest feedback intelligence platform for hotels that centralizes reviews and surveys, enables teams to respond to guest feedback across major portals with an AI reply assistant, and tracks satisfaction metrics like CSAT and NPS.

Marketing TechSaaSTravel & Hospitality

Co-investorsRound2 Capital PartnersSenovo

Datapinedatapine.cominacquired by RIB Software

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

Co-investorsVenista Ventures

Demoupdemoup.comin

DemoUp Cliplister runs a content syndication network and digital asset management platform that lets brands distribute product content to retail partners and lets retailers automatically source optimized PDP content.

E-commerceMarketing TechRetail Tech

Dstackdstack.ai
Entyreentyre.dein

Co-investorsHeal Capital

Feastfoxfeastfox.comin

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

Gebrauchtgebraucht.de
Her Oneher.onein

HER ONE produces dietary supplements formulated for women's specific nutritional needs, offering products such as collagen, creatine, and all-in-one beauty supplements in various flavors.

Direct to ConsumerFemTechWellness & Fitness

Chanyu Xu(Founder)

Co-investorsFive Seasons Ventures

Humanoohumanoo.comin𝕏

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

Humlyhumly.de

Humly offers space booking and desk sharing solutions, including booking devices for managing workspace reservations.

Future of WorkPropTechSaaS

Co-investorsAlfvén & DidriksonViking Venture

Itembaseitembase.comin

Itembase offers an integration platform (iPaaS) that lets eCommerce app providers build and launch pre-built integrations across 500-700+ commerce systems to reach and onboard merchants.

E-commerceRetail TechSaaS

Jutro Medicaljutromedical.comin𝕏

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

Kamionikamioni.de

Platform connecting construction companies and freight forwarders to optimize supply chain logistics and truck utilization on construction projects.

Lengoolengoo.com

Co-investorsCreathor VenturesPolipo VenturesInkef

Lieferandolieferando.de
Linderalindera.dein

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)

Medlanesmedlanes.com
Mieterengelmieterengel.dein

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

Moleqlarmoleqlar.comin

MOLEQLAR sells longevity-focused dietary supplements (vitamins, minerals, micronutrients) alongside lab diagnostics such as biological age and micronutrient tests, developed with physicians and based on the Hallmarks of Aging.

ConsumerLongevityWellness & Fitness

Montredomontredo.comin

MONTREDO is an online platform for buying new and certified pre-owned luxury watches, offering authenticated timepieces with manufacturer or MONTREDO warranties, insured shipping, and a 14-day return policy.

ConsumerE-commerceMarketplaces

Neptuneneptune.ai

Co-investorsTDJ Pitango VenturesAlmaz Capital

OpenReplayopenreplay.comin𝕏

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

Optidashoptidash.ai

Optidash is an image processing and optimization API that lets developers integrate image handling into their applications, with usage reporting, audit logs, and team access controls.

AI & Machine LearningDeveloper ToolsSaaS

Optiopayoptiopay.comin

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)

Co-investorsDvH VenturesLeadX Capital Partners

Patronuspatronus.io
Provenexpertprovenexpert.comin𝕏

ProvenExpert is a platform for collecting and displaying customer reviews, offering industry-specific surveys, review seals, and SEO-optimized profiles that surface Google star ratings.

Marketing TechSaaSSales Tech

Rapidaperapidape.com
Realxdatarealxdata.com

Co-investorsVerve Ventures

Remergeremerge.ioin𝕏

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

Simplesurancesimplesurance.comin

Simplesurance develops technology that enables businesses to embed insurance products into their offerings.

FintechInsurTechSaaS

Co-investorsAllianz XGerman Startups GroupLA ROCA CapitalRoute 66 VenturesTempoCapODDO BHF+1 more

Solvemedgroupsolvemedgroup.com
Soniqservicessoniqservices.de
Takeawaytakeaway.com
Urban Sports Cluburbansportsclub.comin

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

Voldersvolders.de𝕏

Volders provides an online service for canceling contracts, offering thousands of legally valid cancellation templates with provider address details and electronic signature support.

ConsumerLegalTechSaaS

Wenderowendero.comin

Wendero is a consulting firm combining strategy consulting with venture building, helping companies design and execute their business transformation.

Enterprise SoftwareFuture of Work

Exits · 2

IPOs and acquisitions across the tracked portfolio

GrabNASDAQ: GRABDatapineacq. by RIB Software

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Rheingau Founders made?
Rheingau Founders has 44 tracked investments, 1 of which have exited via acquisition or IPO.
What stage does Rheingau Founders invest at?
Rheingau Founders invests at the Pre-Seed, Seed, Series A, Late Stage stages.
What is Rheingau Founders's typical check size?
Rheingau Founders typically writes checks of $220K – $1.6M.
What sectors does Rheingau Founders focus on?
Rheingau Founders focuses on B2B Marketplaces, Construction Tech, Digital Health, InsurTech, Marketplaces, PropTech, SaaS, Sector Agnostic.
Where is Rheingau Founders located?
Rheingau Founders is headquartered in Berlin, DE.
Does Rheingau Founders lead rounds?
Yes, Rheingau Founders leads investment rounds.
Who does Rheingau Founders co-invest with?
Rheingau Founders most often shares deals with Y Combinator, Creathor Ventures, Inovo VC, among 80 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Philipp Hartmann von Rheingau Founders über die Inkubatorenschwemme

Venture TV · Philipp Hartmann

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