What G.L.Electronic does

G.L. Electronic s.r.o. is a privately held Czech aerospace electronics manufacturing services company founded in 2008, headquartered in Chropyně with primary production in Brno. The company specializes in high-reliability (Hi-Rel) electronic manufacturing for space applications, including cable harness assembly, surface-mount and through-hole PCB mounting, and integration of flight hardware, all conducted within ESA ECSS standards inside ISO 7/8 certified cleanrooms. It holds the only EN ISO/IEC 17025:2018 accredited testing laboratory in the Czech Republic qualified for ECSS-Q-ST-70-26C testing of crimped, soldered, and printed circuit connections, supported by AS9100D certification, an ESA Entity Code (1000014356), and ESA- and CNES-verified SMD hand soldering processes.

The company operates as a B2B subcontractor selling directly to European aerospace primes and agencies including ESA, Airbus Defence and Space, Thales Alenia Space, Leonardo, OHB-Italia, ArianeGroup, SITAEL, Honeywell USA, and Beyond Gravity. Revenue is generated through three streams: (1) project-based electronic manufacturing services and flight hardware integration; (2) accredited testing and quality assurance services offered externally; and (3) direct sales of aerospace-grade cable harness materials. Pricing is quote-based and not publicly disclosed. G.L. Electronic is currently scaling capacity via a new Chropyně production branch opened in 2025 and is participating in EU-funded programmes such as the €39M SALTO consortium for reusable launcher technology, alongside serial production deliveries into ESA missions including MetOp-SG, ARIEL, JUICE, Solar Orbiter, and HERA.

Name

G.L.Electronic

Legal name

G.L. Electronic s.r.o.

Website

https://glelectronic.space

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

G.L. Electronic is a Czech aerospace Hi-Rel electronics manufacturer founded in 2008, producing ESA ECSS-compliant cable harnesses, PCB assemblies, and flight hardware integration for European space agencies and tier-1 aerospace primes.

Ownership category

akta.pro rank

Product category

Aerospace Electronics Manufacturing Services

NAICS

Electrical Equipment Manufacturing (3353), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Aircraft Parts & Auxiliary Equipment, Nec (3728), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Testing Laboratories (8734)

akta.pro primary industry

Aerospace Electrical Wiring Interconnect Systems (EWIS) & Harnesses (IMABANAD)

akta.pro secondary industry

Guidance, Navigation & Control (GNC) for Space Systems (IMABACAG)

Keywords

• Aerospace electronics manufacturing
• Cable harness assembly
• Flight hardware integration
• ESA ECSS manufacturing
• PCB mounting services

Headquarters

HQ city

Brno

HQ country

Czechia

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Supply Chain, Marketing or Sales

Revenue model

1. Electronic Manufacturing Services (EMS): Provides complete realization of Hi-Rel electronic devices including assembly of cable harnesses and PCB mounting for aerospace applications. Services include design consultation, manufacturing, testing, and integration of flight equipment. Revenue is generated through project-based contracts with aerospace companies and institutions.
2. Testing and Quality Assurance Services: Provides cleanroom testing services and accredited testing laboratory services according to EN ISO/IEC 17025:2018. Testing includes electrical testing of cable harnesses, tensile strength tests, vacuum testing, climate testing, and metallographic analysis.
3. Material Sales: Sales of materials for cable harness manufacturing and testing boxes, including connectors (M24308, D38999, M85049), wires (M27500, M22759), heat shrink tubing (RNF-100, RW-175), and shield braid (RAY-101).

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

G.L.Electronic provides high-reliability (Hi-Rel) electronic manufacturing services for the aerospace sector, including assembly of flight-level cable harnesses and PCB mounting (SMD and through-hole), performed within ESA ECSS standards in ISO 8 certified cleanrooms. The company offers design consultancy, manufacturing, testing, and integration of flight equipment, plus accredited testing laboratory services per ČSN EN ISO/IEC 17025:2018, OpenVPX electronic cards for GNC/avionics systems, and material sales for cable harness production.

Product overview

G.L.Electronic is a Czech company offering a comprehensive portfolio of Hi-Rel (high reliability) electronic manufacturing services for the aerospace sector since 2008. The core offering comprises cable harness assembly and PCB mounting (both SMD and through-hole), with related services including cleanroom testing and an accredited testing laboratory. The company operates from facilities in Brno and Chropyně, providing design consultation, manufacturing, testing, and integration of flight equipment according to ESA ECSS standards. Additional offerings include VPX electronic cards for avionics systems and material sales for cable harness production.

Differentiator

Problem solved

Functional benefit

Products and services

• Hi-Rel Electronic Device Assembly Complete realization of high-reliability electronic devices for aerospace, including assembly of cable harnesses and PCB mounting, performed within ESA ECSS standards in ISO 8 certified cleanroom. Target customers are space agencies and aerospace prime contractors needing flight-grade electronics manufacturing.
• Cable Harness Assembly Assembly and integration of flight-level cable harnesses for satellites, launchers, and space instruments, including RF coaxial cables, with full manufacturing documentation and quality control per ESA ECSS-Q-ST-70-18 and ECSS-Q-ST-70-26.
• PCB Mounting (SMD and Through-Hole) Surface mount device (SMD) and through-hole PCB assembly for flight-level electronic circuits, including component bonding, conformal coating, and mechanical integration. ESA- and CNES-verified SMD hand soldering processes.
• Avionics Wiring Harnesses and Electronic Assemblies Complete Hi-Rel production of wiring harnesses and electronic assemblies including rack cabinets and control panels for aerospace, military, and measuring technology applications. Delivered with quality control and certified operators.
• Accredited Testing Laboratory Services Testing laboratory accredited to ČSN EN ISO/IEC 17025:2018 (Accreditation No. 424/2025, valid until 14.08.2030) providing tensile strength tests, four-terminal voltage drop tests, and metallographic microsection analysis for crimped, soldered, and printed circuit connections per ECSS-Q-ST-70-26C. The only such laboratory in the Czech Republic.
• Cleanroom Testing Services Cleanroom testing services in ISO 7 and ISO 8 environments including electrical testing, vacuum chamber testing, climate chamber testing, and endoscopic visual inspection for space hardware qualification.
• OpenVPX Electronic Cards for Avionics OpenVPX compliant electronic devices for guidance, navigation and control (GNC) and avionics systems, including electronic card development, hardware development, software driver preparation, and measurement and testing (vibration, thermal, EMC). Developed for the Themis T3 demonstrator within the SALTO project.
• Material Sales for Cable Harness Production Sale of aerospace-grade materials for cable harness production and testing boxes, including connectors (M24308, D38999, M85049), wires (M27500, M22759), heat shrink tubing (RNF-100, RW-175), and shield braid (RAY-101).

Quantifiable outcome

• Successfully delivered 4th model series of MetOp-SG MWI cable harnesses to OHB-Italy (2023)
• +3 more outcomes

Named customers26 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• ArianeGroupcoreStrategic or Co-development Partner · 1 December 2022SALTO project coordinator selected by European Commission. ArianeGroup leads Themis reusable stage and Prometheus reusable engine programmes. G.L. Electronic provides OpenVPX compliant devices for GNC and avionics system of T3 demonstrator, including electronic cards development, HW development, SW drivers preparation, measurement and testing with vibration, thermal and EMC tests.
• ESA (European Space Agency)coreStrategic or Co-development Partner · 1 December 2022ESA Entity Code holder (1000014356). Participant in multiple ESA programmes including Themis, SALTO, Hera, Galileo, Plato, Copernicus-SENTINEL, ARIEL, EnVision, RAMSES, JUICE, Solar Orbiter, EXOMARS. Provides certified Hi-Rel manufacturing services per ESA ECSS standards.
• Brno Space ClusterminorOthers · 1 January 2021Member since 2021. First cluster in Czech Republic focused on commercial space industry projects. Also focuses on education and popularization.
• SAB AerospacecoreStrategic or Co-development PartnerCooperation on management of integration hall facility. SAB Aerospace is a key Czech aerospace company. G.L. Electronic manages the ISO 8 integration hall with 2000kg crane (largest of its kind in the region) in cooperation with SAB Aerospace.
• SobrietyminorStrategic or Co-development PartnerCooperation on valves for VEGA-E M10 engine (liquid cryogenic rocket motor for 10-ton application). M10 engine is the main element of VEGA-E evolution.
• Moravian Aviation Cluster (MLK)minorOthersMember since founding in 2010. Cluster brings together airlines and educational institutions connected by common interest to develop competitive aerospace industry.
• Ministry of Transport of Czech RepublicminorStrategic or Co-development PartnerSupport for broadest possible interconnection with academic institutions and industrial companies in space activities segment. Company strives for cooperation with Ministry support.
• CNES (Centre National d'études Spatiales)minorStrategic or Co-development PartnerSMD hand soldering verification process for flight level PCBs completed in 2015. CNES is the French space agency.
• Academy of Sciences of the Czech RepublicminorStrategic or Co-development PartnerCooperation on Solar Orbiter project (SWA and RPW instruments) and JUICE mission (Low Frequency Receiver). Technical consultancy, Hi-Rel production, and quality control.
• Charles University (MFF)minorStrategic or Co-development PartnerCooperation on Solar Orbiter project. University participation in space instrumentation development.

Scale indicators12 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Beyond Gravity (formerly RUAG Space): Swiss/Swedish Hi-Rel space electronics and satellite structures manufacturer supplying ESA, Airbus, and OHB programmes. Directly comparable to G.L. Electronic as a tier-1 ECSS-compliant aerospace electronics/structures supplier, though operating at significantly larger scale.
• SAB Aerospace: Czech aerospace company that co-manages the Brno ISO 8 integration hall with G.L. Electronic and partners on integration programmes (ISSpresso). A natural regional peer in Hi-Rel satellite integration and structures for European space missions.
• SITAEL: Italian small-satellite platform manufacturer and Hi-Rel electronics provider (one of G.L. Electronic's recent audited customers, 2024). Comparable business model combining small-sat platform development with Hi-Rel electronics manufacturing under ESA/ECSS standards.
• Kongsberg Defence & Aerospace: Norwegian tier-1 supplier of space and defence electronics, including avionics, GNC, and payload electronics for European launchers and satellites. Comparable in producing ECSS-compliant Hi-Rel electronics under ESA programmes at a larger scale.
• Terma A/S: Danish aerospace and defence electronics manufacturer producing mission-critical electronics, avionics, and radar systems. Directly comparable as a mid-sized European Hi-Rel electronics manufacturer supplying ESA, Airbus, and defence primes.

Broad incumbents

• Honeywell Aerospace: Global avionics incumbent that audited G.L. Electronic for IPC compliance. A broad incumbent with extensive in-house aerospace electronics manufacturing, partially comparable on avionics and Hi-Rel electronics production.
• Leonardo: Italian aerospace and defence prime that issued G.L. Electronic a General Qualification. Larger incumbent operating across space electronics, instruments, and structures, partially overlapping with G.L. Electronic's Hi-Rel assembly scope.
• Airbus Defence and Space: Approved G.L. Electronic customer for cable harnesses and circuit board assembly. As Europe's largest space prime, Airbus operates its own Hi-Rel electronics manufacturing but sources selected small-batch Hi-Rel assembly from specialised subcontractors like G.L. Electronic.
• Thales Alenia Space: Major European space prime that has audited G.L. Electronic for IPCA compliance (2024-25). Acts both as a customer and as a broader competitor with in-house Hi-Rel electronics manufacturing capabilities spanning satellites, instruments, and launchers.
• OHB: European space prime and frequent G.L. Electronic customer (MetOp-SG, NAOS, ARIEL via OHB-Italia). Operates its own payload and Hi-Rel electronics integration while outsourcing small-batch cable harness and PCB assembly to specialists such as G.L. Electronic.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/glelectronic
• LinkedInlinkedin.com/company/g.l.electronic

Compliance13 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about G.L.Electronic