
Precision Machining
For High-Performance Materials
We specialize in the precision machining of high-performance materials in the aerospace, marine, and defense sectors, as well as other complex industries. With our qualified employees, a modern machine park, and comprehensive technological expertise, we realize advanced and unconventional special solutions with the highest precision. As an EN9100 / ISO9001 certified company, we meet the highest quality standards and guarantee complete traceability.
We offer our domestic and international clients a comprehensive, worry-free package that ranges from careful production planning and programming with powerful CAM systems to production using our machinery, complex assembly, and quality assurance.
Discover our range of services and our environmental commitment, and learn more about the world of precision machining. We look forward to getting to know you and your project.
We operate long-term partnerships
with demanding clients
Our expertise in precision machining makes us a reliable partner for clients operating in complex fields. Discover our industry expertise and learn more about the benefits of our services for sectors such as aerospace, marine and defense, and other industries.
Passion for
Precision with responsibility
We see our passion for precision without compromise in a larger, sustainable context. Learn more about our ecological commitment and the sustainability measures already implemented at Keller Precision.





Our services
at a glance
- Certified according to EN9100 / ISO9001, compatible with AS9100D and JISQ9100
- Reliable order and resource planning using a production planning system
- Complete solution provider with a strong supplier network
- Individual warehousing and international logistics solutions according to customer requirements
- Precise machining of high-performance materials
- Innovative CNC 5-axis milling/turning centers and CNC 9-axis turning/milling centers
- Automated production using pallet storage
- Consistent process reliability through air conditioning of the entire production at 22°C
- 3D measurement at 20±0.5°C in an air-conditioned measuring room according to quality class 3
Technology skills
Our technological expertise encompasses a wide range of services, from traditional precision machining to holistic special processes with significant added value for our clients. Discover how technology and expertise at Keller Precision combine to create unique solutions.

Services
We offer high-precision services for your machining project. In addition to production planning for maximum planning reliability, this also includes programming with the latest CAM systems as well as the assembly of components and systems. Our quality assurance is our highest priority in every process step.

Infrastructure
High-tech for maximum precision: Our exceptional infrastructure boasts state-of-the-art technologies and meets the highest customer requirements. Production takes place here all year round under constant climatic conditions, which ensures production in the µ-range.

Technology skills
Our technological expertise encompasses a wide range of services, from traditional precision machining to holistic special processes with significant added value for our clients. Discover how technology and expertise at Keller Precision combine to create unique solutions.
Services
We offer high-precision services for your machining project. In addition to production planning for maximum planning reliability, this also includes programming with the latest CAM systems as well as the assembly of components and systems. Our quality assurance is our highest priority in every process step.
Infrastructure
High-tech for maximum precision: Our exceptional infrastructure boasts state-of-the-art technologies and meets the highest customer requirements. Production takes place here all year round under constant climatic conditions, which ensures production in the µ-range.




More about Keller
Experience precision
Learn more about our traditional company, run by the third generation and located in Niederhelfenschwil. In the company profile you will find everything you need to know about our values, our history and our team. Immerse yourself in the world of precision machining.