Our expertise
in marine and defense technology





Our range of services
for marine and defence technology
Extreme conditions, technical challenges and strict international standards: in the field of marine and defence technology, processes and materials are subject to particularly stringent requirements. This makes the quality of precision machining crucial, as it enables high-performance materials to be produced for use in various systems. Keller Precision offers precision machining in the micro range and meets the complex demands of the marine and defence industry with international certifications, regular audits and excellent infrastructure.
Keller Precision specialises in the precise machining of forged blanks or casting applications made from high-performance materials. Our EN 9100 certifications (quality management for organisations in the aerospace industry as well as the defence industry) or ISO 9001 (quality systems) are a decisive reflection of our quality awareness in the marine and defence technology field. With these certifications, we not only demonstrate our uncompromising passion for precision, but also guarantee the end-to-end documentation of materials, processes and checks, plus complete traceability of all components.
Specifications for
precision without compromise
Keller Precision’s entire production pathway is structured to be clean, tidy and safe and is regularly checked as part of certified audits. Our employees’ workplaces are arranged according to the 5S method as part of our lean management approach. This principle leads to systematic workplace organisation and increases efficiency within our modern infrastructure.
Our range of services
for your benefit
Precision machining of high-performance materials
High-precision end-to-end solutions and special processes from a single source
High reliability under dynamic loads
All processes aligned with EN 9100 and ISO 9001
Measurement room according to quality class 3 for maximum stability in measurement processes
Efficient decision-making pathways for innovation and investment
Insights from production
for the highest quality standards












Contact us
for your specific solution
Want to learn more about our industry expertise as well as our specific solutions in the field of precision machining? Get in touch with us and rely on our comprehensive know-how, our reliable services and our modern infrastructure.

Learn more about
Keller Precision
Learn more about our traditional company – based in Niederhelfenschwil and run by the third generation of the same family. Our company profile reveals everything you need to know about our values, our history and our team. Dive into the world of precision machining.