【Lengwil, Swi】Microdiamant Acquires in the USA

Editor’s Note

This acquisition by Swiss firm Microdiamant AG marks a strategic expansion into the U.S. market, enhancing its portfolio and global footprint in high-precision surface finishing.

Microdiamant kauft in den USA zu
Better Access to the US Market

The Lengwil-based Microdiamant AG, a leading specialist in diamond-based solutions for fine grinding, lapping, and polishing of high-precision surfaces, is acquiring the US-based Eminess Technologies from Arizona. This move significantly expands its international presence and solution portfolio, securing a key position in high-growth market segments. The company, led by brothers Daniel and Martin Spring (pictured) in its third generation, has heavily invested in organic growth in recent years. With this acquisition, the company is taking a further step: it doubles its workforce from 60 to 120 and strengthens the strategic expansion of its business field. By acquiring Eminess, Microdiamant secures better access to the US market while simultaneously providing Eminess with better access to European and Asian markets.

Global Go-To Provider for Polishing Solutions
31. Rheintaler Wirtschaftsforum 2026

Furthermore, the merger opens up growth opportunities in the semiconductor industry, which benefits from the expansion of electromobility and 5G/IoT. The complementary product ranges and combined expertise of the two companies will enable them to offer seamless surface finishing solutions for key industries (semiconductor, optics, precision industry, luxury goods, medical technology) in the future. Through the merger, the two companies are forging the global go-to provider of polishing solutions for high-tech materials.

“Eminess shares the same values as we do and is driven by a pronounced entrepreneurial and research spirit as well as the will to meet the highest quality standards,” explains Martin Spring, CEO of Microdiamant AG.
“We are strengthening our global presence through the complementary sales channels and market presence. By combining our technologies, we are able to offer our customers unparalleled process know-how and a comprehensive solution portfolio. Ultimately, we simplify the surface finishing processes for our customers, and that saves time and money,” Spring continues.
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Production Sites and Headquarters Unchanged, but New Name

Lengwil near Kreuzlingen will remain the global headquarters of the expanded company. All current production sites of Eminess and Microdiamant will remain unchanged. For a smooth integration, the management team of Eminess will also be taken over, including the current CEO, Dan Koharko, who will serve as Senior Director during a transition period. The new combined company will operate as a leading, global provider of seamless, one-stop surface finishing solutions.

“To best position our expanded offering in the market, we have decided to operate under a new company name and a new brand in the future,” says Daniel Spring, Managing Director of the Spring Group. “With the name Pureon, we capture the core of our expanded business.”
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⏰ Published on: December 04, 2020