Ari Helgason
Co-founder, Partner at Transition Ventures
London, England
Ari Helgason, Co-founder, Partner at Transition Ventures is an active investor based in London, England. This profile covers what Ari Helgason backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestment Partner
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- Climate & EnergyHardware & Deep TechSaaS & EnterpriseArtificial IntelligenceBiotech & Pharma
- Location
- London, England
- Typical check
- $1M
- Past investments
- 6
Notable investments
GRID
Cutover
LiveFlowWOAH (now uphance.com)
IndependentKría - Iceland Venture InitiativeHow to reach Ari Helgason
Angels and operators like Ari Helgason reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Ari Helgason
Frequently Asked Questions
What does Ari Helgason invest in?
Ari Helgason invests in Climate & Energy, Hardware & Deep Tech, SaaS & Enterprise and Artificial Intelligence, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Ari Helgason invest at?
Ari Helgason typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Ari Helgason's typical check size?
Ari Helgason typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact Ari Helgason?
Unlock Ari Helgason's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.