AESA Cortaillod
AESA Cortaillod is a Swiss company that designs and manufactures patented cable metrology instruments — resistance bridges, alien crosstalk testers, and coaxial connectors — and provides ISO 17025 calibration, testing, and training services to energy and communication cable manufacturers worldwide.
- Company typePrivate
- Founded1978
- HeadquartersBevaix, Switzerland
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What AESA Cortaillod does
AESA Cortaillod is a privately held Swiss company founded in 1978 and headquartered in Bevaix, Switzerland, that designs, manufactures, and services specialized measuring instruments and laboratory testing services for the cable industry. Its product portfolio spans five main lines: Energy (resistance bridges for linear resistance on production lines, in laboratories, and on drums, including the ResTest 8134), Communication (low-frequency and high-frequency parameter testing, high-voltage and insulation resistance tests, including the Vega AXT alien crosstalk tester), Quality Data Management (Industry 4.0-oriented production data solutions), Testing Laboratory (cable qualification and test reports), and Global Services (ISO 17025 calibration, Cable Metrology Academy training, maintenance, spare parts, and upgrades).
The company's underlying technology is built around proprietary patented methods — the Axial Injection current injection technique (IEC 60468-compliant Kelvin 4-point measurement optimized for aluminum conductors and large cross-sections) and the Coaxial Universal Connector for 50/75 ohm cables from 0.8 mm to 16 mm. These enable high-accuracy on-the-line resistance measurement without destructive sampling and fast alien crosstalk characterization (6–8 minutes for 6-against-1 cable configurations) across ANSI/TIA-568.2-D, IEC 61156, and YD/T 1019-2023 standards. AESA operates a wholly-owned subsidiary in China for regional sales and support, maintains an ISO 17025 accredited calibration laboratory under the Swiss Accreditation Service, and distributes globally via direct enterprise sales and technical support.
Revenue is generated through five streams: hardware sales of measuring instruments, ISO 17025 accredited calibration services, testing laboratory services, spare parts and upgrades, and training through the Cable Metrology Academy. Primary end-markets are energy cable manufacturers (MV, HV, EHV, submarine cables) and communication cable manufacturers (coaxial, data, fiber optic, radio communication), with secondary verticals including automotive (EV and conventional), railway, marine, aerospace, building and infrastructure, renewables, bar and wire, and certification bodies. Pricing is quote-based and not publicly disclosed; the go-to-motion is enterprise field sales supported by technical support and a global services network. The company exhibits a stable founder/family-managed governance profile, with Louis Frachon listed as Chairman.
AESA Cortaillod firmographics
Firmographics- Name
- AESA Cortaillod
- Legal name
- AESA Cortaillod
- Website
- https://aesa-cortaillod.com
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- AESA Cortaillod is a Swiss company that designs and manufactures patented cable metrology instruments — resistance bridges, alien crosstalk testers, and coaxial connectors — and provides ISO 17025 calibration, testing, and training services to energy and communication cable manufacturers worldwide.
- Ownership category
- akta.pro rank
AESA Cortaillod industry classification
Industry- Product category
- Cable Metrology Instrumentation and Testing Services
- NAICS
- Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)
- SIC
- Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Testing Laboratories (8734)
- akta.pro primary industry
- Electrical Testing & Certification (Protection Relays, Switchgear, Transformers) (EUAEAHAG)
- akta.pro secondary industries
- Metering, Calibration & Flow Measurement Verification (EUAEAHAM), Test, Measurement & Calibration Equipment Manufacturing Services (ATE, DAQ, metrology electronics) (IMAGAGAH)
Keywords
Where AESA Cortaillod is headquartered
LocationHeadquarters
- HQ city
- Bevaix
- HQ country
- Switzerland
- HQ region
- Europe
Offices1 record
Markets served
AESA Cortaillod business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure
Revenue model
- Measuring Instruments Sales: Sale of proprietary cable testing and measurement equipment including resistance bridges, ResTest series, and Vega instruments.
- ISO 17025 Calibration Services: Accredited calibration laboratory services for cable measurement instruments, ensuring traceability and compliance.
- Testing Laboratory Services: Communication and energy cable testing services with test reports and cable qualification analysis.
- Spare Parts and Upgrades: Supply of spare parts and equipment upgrades for existing AESA instruments.
- Training and Academy: Cable Metrology Academy providing professional training services for cable industry professionals.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels7 records
AESA Cortaillod product offering
Product offeringCore offering
AESA Cortaillod designs, manufactures, and supplies precision cable metrology instruments used to measure, test, and characterize low-resistance energy and telecommunications cables. The company also operates an ISO 17025-accredited calibration and testing laboratory and delivers training through the Cable Metrology Academy for industrial and certification customers.
Product overview
AESA Cortaillod is a global leader in cable metrology, offering a comprehensive portfolio of measuring instruments and laboratory testing services for energy and telecom cables. The product portfolio consists of five main product lines: Energy (Resistance Bridges for Linear Resistance), Communication (LF & HF Parameters, HV & IR Tests), Quality Data Management, Testing Laboratory, and Global Services. Key products include ResTest 8134 for on-the-line linear resistance measurement, Vega AXT for alien crosstalk testing, Coaxial Universal Connector for cable connection, and Axial Injection for patented axial current injection measurements. The company serves industries including automotive, railway, marine, aerospace, power transmission, renewables, building and infrastructure, and certification bodies.
Differentiator
Problem solved
Functional benefit
Products and services
- ResTest 8134 Precision low-resistance measurement instrument for cable metrology, used by industrial and certification customers to characterize energy and telecom cables.
- Vega AXT Cable testing instrument used for advanced measurement and characterization of low-resistance cables in industrial applications.
- Coaxial Universal Connector Proprietary connector system designed for use with AESA cable metrology instruments, enabling consistent and accurate connections during cable measurement and testing.
- Axial Injection System Axial injection method-based system for non-destructive testing and fault location on low-resistance cables, used by industrial and certification customers.
- ISO 17025 Calibration Service Accredited calibration service for cable measurement instruments, delivered through AESA Cortaillod's ISO 17025-accredited laboratory to ensure traceable and compliant measurements.
- Testing Laboratory Service ISO 17025-accredited testing laboratory service providing traceable measurement, characterization, and verification of low-resistance cables for industrial and certification customers.
- Cable Metrology Academy Structured training program delivered by AESA Cortaillod covering cable metrology principles, instrument operation, and measurement best practices for technical professionals.
Quantifiable outcome
- Fast measurement: 6-8 minutes for full alien crosstalk characterization on 6 against 1 cables of 4 pairs
- +2 more outcomes
Companies that use AESA Cortaillod
Customer profileSegments10 records
Ideal customer profiles1 record
AESA Cortaillod technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
AESA Cortaillod partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Schuetz Messtechnik GmbH (Acquisition)significantAESA SA acquired selected assets of Schuetz Messtechnik GmbH following the passing of its founder, Detlef Schuetz. This acquisition in Bevaix, Switzerland on February 18, 2026 represents a strategic expansion of AESA's capabilities and intellectual property portfolio in cable metrology.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
AESA Cortaillod competitors and assessment
Company assessmentMarket position
Competitive moat5 records
Key highlights7 records
Customer concentration
AESA Cortaillod social profiles
Digital presenceAESA Cortaillod compliance and trust
Trust signalCompliance1 record
AESA Cortaillod financial estimates
Financial estimateRevenue estimate
Valuation estimate
AESA Cortaillod leadership team
Management profileNumber of profiles
Profiles1 record
AESA Cortaillod subsidiaries and ownership
Company hierarchySubsidiaries1 record
AESA Cortaillod funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
AESA Cortaillod M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about AESA Cortaillod
What does AESA Cortaillod do?
AESA Cortaillod designs, manufactures, and supplies precision cable metrology instruments used to measure, test, and characterize low-resistance energy and telecommunications cables. The company also operates an ISO 17025-accredited calibration and testing laboratory and delivers training through the Cable Metrology Academy for industrial and certification customers.
Is AESA Cortaillod a public or private company?
AESA Cortaillod is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was AESA Cortaillod founded?
AESA Cortaillod was founded in 1978. It employs 11 to 50 people.
Where is AESA Cortaillod based?
AESA Cortaillod is headquartered in Bevaix, Switzerland, in the Europe region.
How does AESA Cortaillod make money?
Five revenue lines are on record. Measuring Instruments Sales are the primary driver. The others are ISO 17025 Calibration Services, testing Laboratory Services, spare Parts and Upgrades and training and Academy.
Does AESA Cortaillod have an API?
No public API is recorded for AESA Cortaillod.
What industry is AESA Cortaillod in?
AESA Cortaillod's product category is Cable Metrology Instrumentation and Testing Services. Its primary akta.pro industry code is EUAEAHAG, Electrical Testing & Certification (Protection Relays, Switchgear, Transformers), with a secondary code of EUAEAHAM, Metering, Calibration & Flow Measurement Verification. Its NAICS code is 334515 and its SIC code is 3825.