H55

H 55 is developing certified technology solutions to make aviation clean, quite, efficient, affordable and ultimative autonomous.

Robotics and hardwareManufacturing and industrial

TIMELINE · MONEY RAISED

H55 | 2438 days from X account to first raise on record

@H55aEro·Raised $122M in 2 sourced rounds·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

1. July 24, 2024
   Series B+ · $72.93M
   GGovernment Of Quebec (lead), IInvestissement Québec
   Source: startupintros.com
2. September 21, 2023
   Series B+ · $49.06M
   ++ND Capital (lead), RRTX Ventures (lead), TTippet Venture Partners (lead)
   Source: startupintros.com
3. January 17, 2017
   X account created

Founders and team

• AB
  André Borschberg Founder

  @andreborschberg · LinkedIn
• DS
  Dominique Steffen Founder

  LinkedIn
• GB
  Gregory Blatt Founder

  LinkedIn
• SD
  Sebastien Demont Founder

  LinkedIn
• TP
  Thomas Pfammatter Founder

Investors

• ++ND Capitallead investor
• EEISMEA
• GGovernment of Canada
• GGovernment Of Quebeclead investor
• IInvestissement Québec
• RRTX Ventureslead investor
• TTippet Venture Partnerslead investor

Companies like H55

• KKepler Aerospace$8M Seed · Sep 2026
• CCircularity Fuels$7M Seed · Nov 2026
• NNatilus$28M Series A · Feb 2026
• RReFeed
• SSpark e-Fuels$2.69M Pre Seed · Feb 2025
• EEH Group

Other companies backed by Government Of Quebec

• EElement Ai

Government Of Quebec portfolio →