High-quality metrology for quality control in the measuring room, production, incoming goods and development.
Gear Metering Pumps & Meter Mix Dispense Machines with highest accuracy for processing liquids and pastes.
High-precision rotary stroke bearings for backlash-free linear and rotational movements for use in machine and device construction.
Innovative metrology for a wide range of applications:
- • Length and diameter
- • Surface and contour
- • Form and position
- • Gears and shafts
Precise mixing and metering of liquids and pastes:
- • Gear metering pumps
- • Pumps for fiber production
- • Meter mix dispense machines as well as mixing heads
Rotary stroke bearings for backlash-free linear and rotary movements in:
- • Mechanical engineering
- • Precision engineering
- • Optik
- • Electronics
- • and many other industries
As an internationally active company, Mahr holds its patents not only in Germany, but worldwide.
NanoFocus AG becomes a wholly-owned subsidiary of the Mahr Group
Optical metrology is a technology with great potential for Mahr. Due to its high speed, precision, and non-contact measurement processes, it is increasingly establishing itself as an important alternative to tactile metrology. It is becoming increasingly significant in many industries, such as medical technology, the automotive industry, mechanical and plant engineering, precision parts manufacturing, aerospace technology, the defense industry, and the electronics and semiconductor industries.
“The optical metrology of our brand NanoFocus perfectly enhances our expertise – following the acquisition of OptoSurf GmbH in 2024 – and solidifies our position as a leading provider in dimensional manufacturing metrology,” comments Manuel Hüsken, CEO and Chairman of the Management Board of the Carl-Mahr Group. All minority shareholders of NanoFocus AG have been compensated, and trading of the shares on the Munich and Berlin stock exchanges was discontinued as of December 22, 2025.
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About the Carl Mahr Group
Highest precision, modern technology and international presence – that is what the name Mahr has stood for, for more than 165 years. Today, the Mahr Group, with its three business units Metrology, Mixing & Metering, and Rotary Stroke Bearings, is active worldwide in a wide range of demanding industries, such as automotive, mechanical engineering, medical technology, aerospace, optics, electronics. All products incorporate the passion and know-how of more than 1,700 employees worldwide.
