An angel investor and operator angel based in Berlin, Germany, Heissam Hartmann has 8 known investments: Monedo, meinKauf, Inventorum, Fanzone Media GmbH, Feeture, LeBoutique, Rubina Real Estate and Wow.lk.
Is Heissam Hartmann a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
- Focus
- Back-End DevelopmentCloud InfrastructureE-Commerce PlatformsEnterprise SaaSMachine LearningUser Interface Design
Contacts
Heissam Hartmann portfolio companies (8)
- Monedo
- meinKauf
- Inventorum
- Fanzone Media GmbH
- Feeture
- LeBoutique
- Rubina Real Estate
- Wow.lk
Investor Profile
The listing covers sectors AI, Commerce, Consumer and SaaS, and focus areas Back-End Development, Cloud Infrastructure, E-Commerce Platforms and Enterprise SaaS. Startups operating in these areas may find Heissam Hartmann relevant.
Stage-wise, the known deals cluster around Seed rounds.
The portfolio and focus above give founders context on whether Heissam Hartmann matches their raise.
Similar investors
Showing 20 of 100
Kolja Hebenstreit
Co-Founder & Venture Partner
Berlin, Germany
Artjem Weissbeck
angel investor and operator angel
Berlin, Germany
Nikita Fahrenholz
angel investor
Germany
Martin Sieber
angel investor and operator angel
Berlin, Germany
Michael Hurnaus
operator angel
Austria
Michael Heinrich
Venture Partner + Angel Investor
Singapore
Stefan Jeschonnek
Angel investor & Founding Partner
Berlin, Germany
Martin Solarski
angel investor and operator angel
Munich, Germany
Eric Hahn
angel investor
Cologne, Germany
Christoph Janz
Managing Partner
Germany
Heiko Rauch
Founding Investor
Berlin, Germany
Jonathan Heiliger
General Partner
Aspen, United States
Florian Heinemann
Founding Partner
Berlin, Germany
Manfred Mahrle
Shareholder
Vienna, Austria
Steffen Hoellinger
angel investor and operator angel
Berlin, Germany
Volker Hirsch
Mentor
Macclesfield, United Kingdom
Andreas Harting
angel investor and operator angel
Munich, Germany
Jared Slosberg
angel investor
Paris, France
Peter Reuschel
angel investor and operator angel
Berlin, Germany
Nick Lenten
operator angel
Zurich, Switzerland
Frequently asked questions
Who is Heissam Hartmann?
Heissam Hartmann is an angel investor and operator angel based in Berlin, Germany with 8 known investments on file, among them Monedo, meinKauf and Inventorum. The sections above list the sectors and stages attached to that record.
What does Heissam Hartmann invest in?
Listed sectors include AI, Commerce, Consumer and SaaS; listed focus areas include Back-End Development, Cloud Infrastructure, E-Commerce Platforms and Enterprise SaaS. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Heissam Hartmann invest at?
The known deals of Heissam Hartmann include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Heissam Hartmann?
An email address, a phone number and a LinkedIn page are on file for Heissam Hartmann. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal