Nimbus has completed its acquisition of 3M’s Precision Grinding & Finishing (
PG&F) business, which will now operate as Winterthur Technology Group (formerly part of 3M). The company will now begin a new, independent phase, focused on innovation, high-performance solutions, and a customer-first approach across industries worldwide.
Renowned for its precision grinding technologies and tailored solutions, Winterthur Technology Group combines deep expertise with advanced manufacturing capabilities. With increased agility and a clear strategic focus, the company is positioned to strengthen its leadership in the bonded abrasives market. During a transition period, the business will continue to operate under the 3M brand while gradually introducing Winterthur Technology Group as its future identity, ensuring continuity for customers and partners.
Pictured Left:Edmar Allitsch, CEO of Winterthur Technology GroupHenning Andresen, senior partner at Nimbus, said: “Precision Grinding & Finishing is a highly respected market leader, known for its advanced technology, product quality, and ability to deliver tailored solutions. Its global footprint and skilled teams provide a strong foundation for growth. Our investment focuses on strengthening these capabilities — enhancing agility, deepening customer focus, and driving closer collaboration across regions. As Winterthur Technology Group, the business is well positioned to accelerate growth and reinforce its leadership in precision grinding.”
Nimbus has appointed Edmar Allitsch as CEO of Winterthur Technology Group (formerly part of 3M). Allitsch previously served as CEO of Winterthur Technologie AG before its acquisition by 3M and is now returning to lead the company through this transition.
Customer-focused solutionsWith decades of international experience in advanced materials and precision technologies, he brings deep expertise in precision grinding, a strong understanding of the company’s heritage, and a commitment to customer-focused solutions. He said: “Winterthur Technology Group combines deep technical expertise, advanced manufacturing capabilities, and close customer focus. Our priority is to strengthen innovation, deliver high-performance solutions, and support our customers’ success. We are moving forward with clarity, continuity, and ambition.”
3M and Winterthur Technology Group will maintain ongoing collaboration, including supply agreements, development partnerships, and transition arrangements covering services, distribution, and branding—ensuring a seamless experience for customers and employees. Winterthur Technology Group will showcase its latest developments at
GrindingHub 2026 in Stuttgart, taking place 5-8 May, highlighting its next-generation technologies and reinforcing its position as a global leader in precision grinding.
Nimbus is a Dutch-German private equity firm with offices in the Netherlands, Germany and the United Kingdom. The firm focuses on investments in manufacturing companies, supporting their development through a hands-on operational approach. Nimbus has invested in over 100 companies, combining financial expertise with operational involvement to drive long-term, sustainable growth.