Mattias Haellstroem
Angel investor in Stockholm
Stockholm, Stockholm County
Mattias Haellstroem, Angel investor in Stockholm is an active investor based in Stockholm, Stockholm County. This profile covers what Mattias Haellstroem backs, at which stage, and how founders can reach out in 2026.
Mr. Mattias Hällström is an Angel Investor. Mr. Hällström is a Co-Founder and also serves as Director of Research and Development at Projectplace International. He is also an Angel Investor.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- Healthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseConsumer & RetailClimate & EnergyDeveloper Tools & DataIoT & Connected DevicesManufacturing & Industrial
- Location
- Stockholm, Stockholm County
- Typical check
- $500K
- Past investments
- 3
Notable investments
MediCheckHow to reach Mattias Haellstroem
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Cite this page
Round Funded. "Mattias Haellstroem." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mattias-haellstroem
Frequently Asked Questions
What does Mattias Haellstroem invest in?
Mattias Haellstroem invests in Healthcare & Biotech, Digital Health & HealthTech, SaaS & Enterprise and Consumer & Retail, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mattias Haellstroem invest at?
Mattias Haellstroem typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mattias Haellstroem's typical check size?
Mattias Haellstroem typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.