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Top performing coils at the PCIM Expo

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Special conditions for series launch 2025/26

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Customer-specific coil winding and EMS

ALL SHAPES, DIMENSIONS AND SERIES SIZES

KUK Coils is your manufacturing partner for highly demanding coils and assemblies from the product idea to large-scale production - regardless of dimensions and shapes. KUK is one of the world's leading contract manufacturers of customer-specific coil winding.

EVERYTHING FROM COIL WINDING TO ASSEMBLIES FROM A SINGLE SOURCE

Winding goods: KUK manufactures coils, transformers and sensors of the highest quality with fine wire from 0.010 mm. Vast experience with a wide variety of coil formers and conductor materials.
WINDING GOODS

KUK manufactures coils, transformers and sensors of the highest quality with fine wire from 0.010 mm. Vast experience with a wide variety of coil formers and conductor materials.

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KUK Group is also a competent supplier for the assembly of components. We perform the production of a complete component for you from a single source - from procurement to quality control.
ASSEMBLIES

KUK Coils is also a competent supplier for the assembly of components. We perform the production of a complete component for you from a single source - from procurement to quality control.

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KUK assembles printed circuit boards in variable series sizes on SMD and THT production lines. We are also pleased to support you in the development of a customised testing system.
PCB ASSEMBLY

KUK assembles printed circuit boards in variable series sizes on SMD and THT production lines. We are also pleased to support you in the development of a customised testing system.

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EXPERIENCED MANUFACTURER FOR A RANGE OF MARKETS

KUK Coils is an established partner to automotive, industry and medical & sensor  sector that rely on us for coil winding and other customer-specific electronic manufacturing services (EMS).
KUK winds coils for stepper motors and makes complete solenoid valve units on fully automated lines,  including injection moulding of coil bobbins and overmoulding with standard plug connectors.
AUTOMOTIVE

KUK winds coils for stepper motors and makes complete solenoid valve units on fully automated lines,  including injection moulding of coil bobbins and overmoulding with standard plug connectors.

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KUK offers a wide range of products from coils in drive technology to electronic components for building automation. Further electronics services are available on a customer-specific basis at all levels of production.
INDUSTRY

KUK offers a wide range of products from coils in drive technology to electronic components for building automation. Further electronics services are available on a customer-specific basis at all levels of production.

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Micro coils with ultra-fine wires from 0.010 mm are among KUK's specialities, as are various connection techniques in these dimensions. We wind miniature coils directly on magnetic cores or as air core coils.
MEDICAL & SENSOR

Micro coils with ultra-fine wires from 0.010 mm are among KUK's specialities, as are various connection techniques in these dimensions. We wind miniature coils directly on magnetic cores or as air core coils.

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SUCCESSES OF OUR CLIENTS

Jury statement German Innovation Award

«The combination of linear drive and pipette in the MagPip, an innovative pipetting channel, is new and permits unparalleled piston acceleration.»

Jury statement German Innovation Award
Project report

OUR KNOW-HOW AND SERVICES

FEASIBILITY
OPTIMIZATION
SAMPLING
AUTOMATION
SERIES
SCALING

Process partner from product idea to large-scale production

KUK serves the customer according to individual requirements from development phase to the integration of the goods into the global supply chain.

Overview competences
Already during prototyping, KUK provides important information that turns out to be of great value in series production.

DEVELOPMENT

Already during prototyping, KUK provides important information that turns out to be of great value in series production.

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KUK's own plant construction guarantees high-quality series production and a short time to market for coil production.

AUTOMATION

KUK's own plant construction guarantees high-quality series production and a short time to market for coil production.

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Swiss quality standards and renowned certifications form the basis for the highest product quality and efficiency at KUK.
QUALITY

Swiss quality standards and renowned certifications form the basis for the highest product quality and efficiency at KUK.

Worldwide production sites and an established network of suppliers offer proximity to customers and optimal conditions.
GLOBAL SOURCING

Worldwide production sites and an established network of suppliers offer proximity to customers and optimal conditions.

From procurement to coil winding, potting, assembly and packaging, KUK handles all manufacturing processes.
FULL SERVICE PROVIDER

From procurement to coil winding, potting, assembly and packaging, KUK handles all manufacturing processes.

KUK GROUP FACTS & FIGURES

COMPANY FOUNDED IN SWITZERLAND
1990

COMPANY FOUNDED IN SWITZERLAND

GLOBAL PRODUCTION SITES
7

GLOBAL PRODUCTION SITES

EMPLOYEES
1000

EMPLOYEES

MANUFACTURED ON IN-HOUSE BUILT MACHINES
90%

MANUFACTURED ON IN-HOUSE BUILT MACHINES

WOUND COILS/YEAR
> 200 MIO

WOUND COILS/YEAR

MOUNTED MODULES/YEAR
> 1 MIO

MOUNTED MODULES/YEAR

ASSEMBLED PCB/YEAR
> 1 MIO

ASSEMBLED PCB/YEAR

More about KUK Group