H55

Sion, Switzerland Founded: 2015 • Age: 11 yrs
Electric propulsion systems for aviation are designed and certified.

About H55

H55 is a company based in Sion (Switzerland) founded in 2015 by Sebastien Aymon-Demont, Andre Borschberg, and Gregory Blatt. H55 has raised $146.56 million across 7 funding rounds from investors including RTX, European Union and Gouvernement du Québec. H55 offers products and services including Electric Propulsion System and Energy Storage System. H55 operates in a competitive market with competitors including ZeroAvia, Whisper Aero, H3X Technologies, Greenjets and Kite Magnetics, among others.

  • Headquarter Sion, Switzerland
  • Founders Sebastien Aymon-Demont, Andre Borschberg, Gregory Blatt
  • Sectors
    Transportation, Automotive & Logistics
    Aerospace, Defense & Maritime
  • Email
    ••••••••
  • Phone
    •••• ••••
  • Website h55.ch/en
  • Social LinkedIn X Facebook Instagram YouTube
  • Legal Name H55 S.A.
Key Metrics
  • Total Equity Funding
    $146.56M (USD)

    in 7 rounds

  • Latest Funding Round
    $74M (USD), Series C

    Jul 2024

  • Investors
    RTX

    & 6 more

Products & Services of H55

H55 offers a comprehensive portfolio of products and services, including Electric Propulsion System and Energy Storage System.

Electric Propulsion System
Propulsion Technology

Provides electric power for aircraft engines and systems.

Energy Storage System
Battery Systems

Manages energy storage for sustainable aviation applications.

Apps and channels of H55

its YouTube channel H55 has 544 subscribers and 30 videos.

H55
YouTube 544 subscribers 30 videos Science & Technology
Open channel

Videos from H55

The most watched videos on H55's YouTube channel, H55 (544 subscribers). Click a video to play it here.

From a Pioneering to an Entrepreneurship Spirit , the Solar Impulse Legacy Continues with H55
1.3K views
H55 The Future of Electric Aviation - Investor Flight
811 views
H55 The Future of Electric Aviation - Stall test
766 views
H55 Enabling Clean Aviation
734 views

More on H55.

Funding Insights of H55

H55 has successfully raised a total of $146.56M across 7 strategic funding rounds. The most recent funding activity was a Series C round of $74 million completed in July 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $146.56M
  • Total Rounds 7
  • Last Round Series C — $74M
  • Investors Count 7

All 7 funding rounds of H55 with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jul 2024$74MSeries C–Quebec
–
Sep 2023$50.15MSeries C–ND Capital, Tippet Venture Partners
–
Oct 2022–Series B–RTX
–
Dec 2020$22.4MSeries A–ND Capital, Tippet Venture Partners
–
Jun 2019$56,834Grant––
Mar 2019$56,880Grant––
Feb 2018–Seed–NanoDimension
–
Valuation history

7 investors in total: 7 institutional.

Investors in H55

H55 has secured backing from 7 investors, including institutional and venture fund investors. Prominent investors backing the company include RTX, European Union and Gouvernement du Québec.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Tech startups are invested in by this venture capital firm.
–nd.capitalWoodside, United States
Venture capital firm investing in multiple sectors
–tippetpartners.comPalo Alto, United States
Government agency and accelerator focusing on innovative startups and SMEs
–eicfund.euBrussels, Belgium
US focused VC firm
–nanodimension.comWoodside, United States
Government services are provided to residents of Québec, Canada.
–quebec.caCanada
Defense and aerospace systems are manufactured and developed by RTX.
1922rtx.comUnited States
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability
1958europa.euBrussels, Belgium
Premium access

Investor details for H55

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

People of H55

19 people are tracked at H55 (10 in leadership, 9 in team).

NameRoleGroup
Sebastien Aymon-Demont
Co-Founder & CTOLeadership
Andre Borschberg
Co-FounderLeadership
Gregory Blatt
Co-FounderLeadership
Martin Larose
CEOLeadership
Emmanuelle Doux
Head, Human ResourcesLeadership
Sébastien Demont
Co-Founder & Chief Technology OfficerLeadership
Stéphane Fallot
Head, FinanceLeadership
Carine De La Sayette
Head, ProgramsLeadership
Anthony D'Ambrisi
Head Of Design OrganisationLeadership
Reda Seffar Andaloussi
Head Of Production Organisation & Operations ( EASA Part 21 POA Accountable Manager )Leadership
Leticia G Chávez
Senior Project ManagerTeam
Kenneth Doolan
Hardware EngineerTeam
Célien Planchamp
Senior AccountantTeam
Ludovic Guyot
Mechanical EngineerTeam
Nina Poisson
Talent SpecialistTeam
Lior Matzkin
Delivery LeadTeam
Olivier Perrin
Mechanical Team LeaderTeam
Jonathan Michel
Ingénieur LogicielTeam
Fabien Airiau
IT EngineerTeam
Premium access

Complete people profiles for H55

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

  • Full employee list
  • Team structure
  • Board tenure
  • Professional contacts

Verified entity values are shown only after access is granted.

Timeline of H55

3 dated milestones of H55 across 9 years, from founding to its latest funding, stage changes and deals.

  1. Founded H55 is founded.
  2. Funding First funding round.
  3. Funding Latest funding round, Series C, of $74.0M.

Competitors of H55

H55 operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as ZeroAvia, Whisper Aero, H3X Technologies, Greenjets and Kite Magnetics, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
zeroavia.com2017San Carlos, United States$348.16M–
Hydrogen fuel cell-powered aviation powertrains are manufactured for emission reduction.
whisper.aero2020Crossville, United States$39.5M53
Electric aircraft, drones, and propulsion systems are designed and developed.
h3x.tech2020Saint Louis Park, United States$26.01M–
Motor drives for electric aircraft propulsion are developed.
greenjets.com2005London, United Kingdom$7M19
Quiet, safe electric propulsion systems for aircraft are developed.
kitemagnetics.com2021Notting Hill, Australia$4.05M–
Electric propulsion systems for aircraft are designed and manufactured.
nauticalwings.com2020Bengaluru, India–44
Provider of design and manufacturing solutions for advanced propulsion systems
dovetail.aero2021Rose Bay, Australia––
Manufacturer of electric propulsion engines
verdegoaero.com2017Daytona Beach, United States$14.64M–
Power and propulsion technologies for electric aircraft are provided.
ohm.space2021Southampton, United Kingdom$1.32M–
Provider of spacecraft propulsion technology for the satellite market
Premium access

Detailed competitors of H55

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
  • Benchmarks
  • Competitive positioning

Verified entity values are shown only after access is granted.

Web traffic of H55

The website of H55 (h55.ch) receives about 9.3K visits a month.

  • Monthly visits
    9.3K

    ▲ 1.3% vs previous month

Latest news on H55

Premium access

Complete news archive for H55

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Similar companies to H55

10 companies that operate in the same segment as H55 (Electric & Green Mobility), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Electric kick-scooters are rented through an app-based platform.
2017Miami, Florida, United StatesUSD 765.74 M––
Electric kick-scooters are rented through an app-based platform.
2017San Francisco, California, United StatesUSD 1.71 B––
Electric ride-hailing and cab services are provided via mobile app.
2019Mumbai, Maharashtra, IndiaUSD 168.52 M––
Shared electric two-wheelers are rented via an online platform.
2017Bengaluru, Karnataka, IndiaUSD 187.54 MUSD 2.14 M251
Manufacturer of electric scooters, charging infrastructure, smart helmets, and accessories
2013Bengaluru, Karnataka, IndiaUSD 502.15 MUSD 391.37 M1,620
App-based platform offering electric kick scooter rental services
2018Amsterdam, NetherlandsUSD 211.85 M––
Electric vehicles are manufactured and developed by Polestar.
1996Goteborg, Vastra Gotaland, SwedenUSD 550 MUSD 3.06 B2,550
Electric buses and charging systems are manufactured for fleets.
2004Burlingame, California, United StatesUSD 857.79 MUSD 309.36 M1,247
Multi-category electric vehicles are manufactured for diverse applications.
1999Bedford, United StatesUSD 101.78 M––
Autonomous aerial vehicles are provided for consumer and commercial uses.
2014Guangzhou, Guangdong, ChinaUSD 94 MUSD 58.15 M483
Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • ✓
    Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • ✓
    Full access to every database India & global coverage, advanced filters and rich profile details
  • ✓
    Always-on access from your team account Single premium plan for everything you see on the portal

Frequently Asked Questions about H55

H55 was founded in 2015 and raised its 1st funding round 3 years after it was founded.

H55 is headquartered in Sion, Switzerland. It is registered at Sion, Valais, Switzerland.

Martin Larose is the current CEO of H55.

H55 is a funded company, having raised a total of $146.56M across 7 funding rounds to date.

Founded in 2015 and based in Sion, Switzerland, electric propulsion systems for aviation are developed and certified by the company. Modular solutions for aircraft integration are provided, applicable to general aviation and regional transport. Adaptations for new designs and retrofits of existing aircraft are facilitated through expertise in energy storage, electric power units, and related components. Support is extended to customers during integration and certification processes.

H55's top competitors include ZeroAvia, Whisper Aero and H3X Technologies.

H55 offers Electric Propulsion System and Energy Storage System.

H55 has 7 investors. Key investors include RTX, European Union, Gouvernement du Québec, ND Capital, and Tippet Venture Partners.

H55 operates through H55 S.A..

Explore millions of companies — effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals — all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available