HAEFELY AG
HAEFELY AG is a Basel-based Swiss manufacturer of premium high voltage test equipment and EMC testing systems, serving transformer, cable, and switchgear manufacturers worldwide. It is a wholly-owned subsidiary of the PFIFFNER Group.
- Company typePrivate
- Founded1904
- HeadquartersBasel, Switzerland
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What HAEFELY AG does
HAEFELY AG is a Swiss manufacturer of premium high voltage test equipment, founded in 1904 by Emil Haefely in Basel and operating as a wholly-owned subsidiary of the PFIFFNER Group. The company designs, builds, and tests its products in Switzerland and supplies manufacturers of power transformers, distribution transformers, instrument transformers, cables, and switchgear. Its product portfolio centers on three core lines: EMC (Electrostatic Discharge Test Systems) such as the Onix 30 at 32 kV; High Voltage Test Systems including impulse voltage generators (SGSA series) rated up to 800 kV; and precision instruments such as the Model 2293 Automatic Transformer Winding Analyser. Technology differentiation is built around accuracy and precision in high voltage and EMC measurements, with selective adoption of 3D printing to accelerate prototyping and component manufacturing.
HAEFELY operates a direct enterprise sales motion with quote-based pricing and multi-year contract cadence, supported by an Area Sales Manager network and a global representative and service footprint, including personnel in India (Nashik) and China to support its worldwide installed base. Revenue is generated through three streams: hardware sales of high voltage test equipment; recurring service revenue spanning spare parts, rentals, repairs, calibration, testing, inspections, maintenance, installation, commissioning, modernization/upgrades, and system integration/relocation; and professional services including product application training and engineering consulting. Pricing is not publicly disclosed, consistent with custom-engineered industrial capital equipment.
The company is led by CEO Peter Schikarski and is part of the broader PFIFFNER Group ecosystem, which includes sister companies such as PFIFFNER Instrument Transformers, MOSER GLASER, PFIFFNER Switchgear, and HAVECO, enabling cross-portfolio selling into the electrical power industry. HAEFELY holds ISO 9001:2015 certification (since 1992, certificate 069571_QM15) and its products comply with the EU EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU, and RoHS Directive 2011/65/EU, supporting its positioning as a quality-certified, regulation-aligned supplier to regulated industrial buyers.
HAEFELY AG firmographics
Firmographics- Name
- HAEFELY AG
- Legal name
- HAEFELY AG
- Website
- https://haefely.com
- Company type
- Private
- Founded year
- 1904
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- HAEFELY AG is a Basel-based Swiss manufacturer of premium high voltage test equipment and EMC testing systems, serving transformer, cable, and switchgear manufacturers worldwide. It is a wholly-owned subsidiary of the PFIFFNER Group.
- Ownership category
- akta.pro rank
HAEFELY AG industry classification
Industry- Product category
- High Voltage Test Equipment
- NAICS
- Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Electronic and Precision Equipment Repair and Maintenance (811210)
- SIC
- Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Testing Laboratories (8734)
- akta.pro primary industry
- Testing, Commissioning & Energization Services (HV) (EUAEABAI)
- akta.pro secondary industries
- Testing, Commissioning, Maintenance & Retrofit/Modernization (Substations/Switchgear) (EUADACAL), Commissioning, testing & energization services (HVT, relay testing, SAT) (EUADAKAE)
Keywords
Where HAEFELY AG is headquartered
LocationHeadquarters
- HQ city
- Basel
- HQ country
- Switzerland
- HQ region
- Europe
Offices2 records
Markets served
HAEFELY AG business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Operations, Supply Chain, Marketing or Sales
Revenue model
- High Voltage Test Equipment Sales: Sale of premium high voltage test equipment including impulse voltage generators, EMC test systems, and instruments. Equipment sales include Power, Distribution and Instrument Transformers, Cables and Switchgear testing solutions.
- Service & Support: Comprehensive service offerings including spare parts, rentals, repairs, calibration, testing services, inspections, maintenance, installation, commissioning, and modernization/upgrades. These services support the installed base worldwide.
- Training & Consulting: Customer support includes product application training, engineering consulting, and continuous training sessions in collaboration with development and production areas.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Enterprise equipment with quote-based pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
HAEFELY AG product offering
Product offeringCore offering
HAEFELY AG designs, manufactures, and services high voltage test equipment for manufacturers of power, distribution, and instrument transformers, cables, and switchgear. Its core offerings include impulse voltage generators (up to 800 kV), EMC electrostatic discharge test systems (e.g., Onix 30 at 32 kV), and precision instruments such as the Automatic Transformer Winding Analyser. The company also provides calibration, installation, commissioning, modernization, repair, rental, and training services to support its installed base worldwide.
Product overview
HAEFELY AG is a Swiss high voltage test equipment manufacturer offering a portfolio of three core product lines: EMC (Electrostatic Discharge Test Systems) including the Onix 30 at 32 kV, High Voltage Test Systems such as Impulse Voltage Generators up to 800 kV, and Instruments including the Automatic Transformer Winding Analyser. These products serve manufacturers of power transformers, distribution transformers, instrument transformers, cables, and switchgear. HAEFELY supplements its equipment offerings with comprehensive services including spare parts, rentals and repairs, system integration and relocation, calibration and testing services, customer support and training, inspections and maintenance, installation and commissioning, and modernization and upgrades. All products are manufactured and tested in Switzerland.
Differentiator
Problem solved
Functional benefit
Products and services
- EMC Electrostatic Discharge Test Systems EMC testing equipment for electrostatic discharge (ESD) testing, including systems such as the Onix 30 for testing at 32 kV, designed for manufacturers requiring electromagnetic compatibility verification of their products.
- High Voltage Test Systems (Impulse Voltage Generators)
- Automatic Transformer Winding Analyser (Model 2293)
- Spare Parts, Rentals & Repairs
- System Integration & Relocation
- Calibration & Testing Services
- Customer Support, Training & Consulting
- Inspections & Maintenance
- Installation & Commissioning
- Modernization & Upgrades
Companies that use HAEFELY AG
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles3 records
HAEFELY AG technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
HAEFELY AG partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- PFIFFNER GroupcoreHAEFELY is a member of the PFIFFNER Group, a Swiss enterprise specializing in measurement technology for electrical energy. The group includes HAVECO, PFIFFNER Instrument Transformers, PFIFFNER Turkey, PFIFFNER Germany, PFIFFNER Brazil, MOSER GLASER, and PFIFFNER Switchgear. HAEFELY contributes high voltage testing expertise to the group's comprehensive portfolio for the power industry.
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
HAEFELY AG competitors and assessment
Company assessmentDirect peers
- Megger Group: UK-based global provider of electrical test and measurement equipment serving power utilities and OEMs. Directly competes with HAEFELY across HV testing, insulation diagnostics, and transformer/cable test solutions.
- Chroma Systems Solutions: US-based provider of power electronics test and measurement instruments. Overlaps with HAEFELY in precision electrical test instrumentation used by equipment manufacturers.
- HIGHVOLT Prüftechnik Dresden: Germany-based manufacturer of HV testing systems and on-site testing services. Directly competes with HAEFELY in impulse voltage generators, HV test systems, and transformer/cable testing.
- OMICRON electronics: Austria-based manufacturer of secondary test equipment for power systems, including solutions for transformer and substation testing. Closely overlaps with HAEFELY in HV testing for transformer manufacturers and utilities.
- Doble Engineering: US-based provider of diagnostic testing and monitoring for electrical assets, with deep focus on transformer and HV apparatus testing. Directly competes with HAEFELY in serving transformer manufacturers and power utilities.
- Phenix Technologies: US-based manufacturer of HV test equipment including impulse generators and AC/DC dielectric test sets. Directly competes with HAEFELY in HV testing for cables, transformers, and switchgear.
Broad incumbents
- Kistler Group: Swiss-based global leader in measurement technology covering automotive, industrial, and HV applications. Competes with HAEFELY in precision HV measurement and instrumentation, though it serves a broader industrial portfolio.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
HAEFELY AG social profiles
Digital presenceHAEFELY AG compliance and trust
Trust signalCompliance2 records
HAEFELY AG financial estimates
Financial estimateRevenue estimate
Valuation estimate
HAEFELY AG leadership team
Management profileNumber of profiles
Profiles1 record
HAEFELY AG funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
HAEFELY AG 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 HAEFELY AG
What does HAEFELY AG do?
HAEFELY AG designs, manufactures, and services high voltage test equipment for manufacturers of power, distribution, and instrument transformers, cables, and switchgear. Its core offerings include impulse voltage generators (up to 800 kV), EMC electrostatic discharge test systems (e.g., Onix 30 at 32 kV), and precision instruments such as the Automatic Transformer Winding Analyser. The company also provides calibration, installation, commissioning, modernization, repair, rental, and training services to support its installed base worldwide.
Is HAEFELY AG a public or private company?
HAEFELY AG is a private company. It is classified as corporate owned and is currently operating.
When was HAEFELY AG founded?
HAEFELY AG was founded in 1904. It employs 51 to 100 people.
Where is HAEFELY AG based?
HAEFELY AG is headquartered in Basel, Switzerland, in the Europe region.
How does HAEFELY AG make money?
Three revenue lines are on record. High Voltage Test Equipment Sales are the primary driver. The others are service & Support and training & Consulting.
Who are HAEFELY AG's main competitors?
Direct peers on record are Megger Group, Chroma Systems Solutions, HIGHVOLT Prüftechnik Dresden, OMICRON electronics, Doble Engineering and Phenix Technologies. Kistler Group is listed as a broad incumbent.
Does HAEFELY AG have an API?
No public API is recorded for HAEFELY AG.
What industry is HAEFELY AG in?
HAEFELY AG's product category is High Voltage Test Equipment. Its primary akta.pro industry code is EUAEABAI, Testing, Commissioning & Energization Services (HV), with a secondary code of EUADACAL, Testing, Commissioning, Maintenance & Retrofit/Modernization (Substations/Switchgear). Its NAICS code is 334515 and its SIC code is 3825.