Insights

Strategic partnerships H55 has integrated with Safran Electrical & Power to power the Bristell B23 Energic with the Safran ENGINeUS electric motor, indicating a readiness to collaborate with established aerospace players for propulsion system enhancements and potential co-selling opportunities.

Key programs Active involvement in RTX Hybrid-Electric Flight Demonstrator with a 200 kWh energy storage system suggests ongoing demand for high-capacity batteries and energy storage solutions, presenting a direct avenue to offer advanced ESS, battery management, and integration services.

Geographic growth Operations and partnerships spanning Sion, Switzerland; Canada; and collaboration with Merkur in Canada imply cross-border expansion and regional sales opportunities for engineering services, components, and localized support for electric propulsion.

Market positioning Positioned as a certified electric propulsion developer aiming for clean, quiet, safe, and affordable aviation, H55 targets niche electric propulsion markets where performance and safety certifications are critical, aligning with customers seeking reliable systems and regulatory compliance.

Financial and scale signals Revenue in the lower tens of millions with substantial funding and a recent workforce reduction indicate a phase of strategic realignment; potential upsell of mature propulsion systems, battery tech, and integrated power electronics to optimize cost-per-performance for customers pursuing scalable electric aviation solutions.

H55 Tech Stack

H55 uses 8 technology products and services including Amazon Web Services, Webpack, OpenFOAM, and more. Explore H55's tech stack below.

  • Amazon Web Services
    Cloud Hosting
  • Webpack
    Development
  • OpenFOAM
    Open Source
  • Bash
    Operating Systems & Computing Languages
  • Linux
    Programming Languages
  • Yoast SEO
    Search Engines
  • Acceptance Test
    Software Development
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

H55's Email Address Formats

H55 uses at least 1 format(s):
H55 Email FormatsExamplePercentage
First.Last@h55.chJohn.Doe@h55.ch
98%
First.Middle@h55.chJohn.Michael@h55.ch
2%

Frequently Asked Questions

What is H55's stock symbol?

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H55 is a publicly traded company; the company's stock symbol is IE00BYTH5594.SG.

What is H55's official website and social media links?

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H55's official website is h55.ch and has social profiles on LinkedIn.

How much revenue does H55 generate?

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As of July 2026, H55's annual revenue is estimated to be $10M - $25M.

What is H55's NAICS code?

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H55's NAICS code is 3364 - Aerospace Product and Parts Manufacturing.

How many employees does H55 have currently?

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As of July 2026, H55 has approximately 150 employees across 3 continents, including EuropeNorth AmericaAsia. Key team members include Ceo: M. L.Chief Engineer Energy Storage System: L. E.Head Of Human Resources: E. D.. Explore H55's employee directory with LeadIQ.

What industry does H55 belong to?

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H55 operates in the Aviation and Aerospace Component Manufacturing industry.

What technology does H55 use?

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H55's tech stack includes Amazon Web ServicesWebpackOpenFOAMBashLinuxYoast SEOAcceptance TestX-Content-Type-Options.

What is H55's email format?

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H55's email format typically follows the pattern of First.Last@h55.ch. Find more H55 email formats with LeadIQ.

How much funding has H55 raised to date?

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As of July 2026, H55 has raised $105M in funding. The last funding round occurred on Jul 24, 2024.

When was H55 founded?

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H55 was founded in 2017.
H55 logo

H55

Aviation and Aerospace Component ManufacturingValais, Switzerland51-200 Employees

H55 is a mid-sized aviation and aerospace component manufacturer based in Sion, Valais, Switzerland. It develops certified electric propulsion systems intended for aviation, emphasizing clean, quiet, safe, and affordable operation. Its customer focus is the aviation sector seeking electric propulsion solutions, addressing propulsion efficiency and environmental considerations.

The company operates internationally through H55 Canada Inc., reflecting collaboration in North America. In April 2026, Safran Electrical & Power integrated with H55 Canada to enable the Safran ENGINeUS motor to be used with H55's propulsion system for the Bristell B23 Energic. Ongoing programs include the development of a 200 kWh energy storage system for the RTX Hybrid-Electric Flight Demonstrator, reflecting activity across multiple electric propulsion platforms.

Section iconCompany Overview

Website
h55.ch
Stock Symbol
IE00BYTH5594.SG
NAICS Code
3364 - Aerospace Product and Parts Manufacturing
Founded
2017
Employees
51-200

Section iconFunding & Financials

  • $105M

    H55 has raised a total of $105M of funding over 7 rounds. Their latest funding round was raised on Jul 24, 2024as a series_c.

  • $10M - $25M

    H55's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $105M

    H55 has raised a total of $105M of funding over 7 rounds. Their latest funding round was raised on Jul 24, 2024as a series_c.

  • $10M - $25M

    H55's revenue is estimated to be in the range of $10M - $25M

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