Markus Ertler
Co-Founder at Angels United
Vienna, Vienna
Markus Ertler, Co-Founder at Angels United is an active investor based in Vienna, Vienna. This profile covers what Markus Ertler backs, at which stage, and how founders can reach out in 2026.
Mr. Markus Ertler is a Co-Founder of Angels United. He serves as Managing Director at Ertler Holding. He also serves as Chairman of the Board at Venionaire Capital. He truly is an Austrian digital pioneer. In 1994 he and his brother founded immobilien.net, the first immo platform in Europe and market leader in Austria. In 2014 he sold immobilien.net successfully, being the biggest classified exit in Austria in that year. Since then his a passionate serial entrepreneur and an active business angel he also invested in promising Austrian and international startups. 2015 he gained the title "Super Angel" of the Austrian Angels Investors Association and since 2016 he has been a board member of Startup300.
- Investor type
- AngelVCPE
- Stages
- Early Stage VenturePre SeedLate Stage Venture
- Invests in
- PropTech & Real EstateFintechSaaS & EnterpriseHR & Future of WorkMobility & Logistics
- Location
- Vienna, Vienna
- Typical check
- $500K
- Past investments
- 11
Notable investments
How to reach Markus Ertler
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Cite this page
Round Funded. "Markus Ertler." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/markus-ertler-153108-0
Frequently Asked Questions
What does Markus Ertler invest in?
Markus Ertler invests in PropTech & Real Estate, Fintech, SaaS & Enterprise and HR & Future of Work, typically at Early Stage Venture, Pre Seed and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Markus Ertler invest at?
Markus Ertler typically invests at Early Stage Venture, Pre Seed and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Markus Ertler's typical check size?
Markus Ertler typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
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What is Round Funded?
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