Dalessi B.V. is a strategic advisory firm that supports companies, entrepreneurs, and investors in strengthening their market position, identifying growth opportunities, and developing partnerships. The company provides objective insights to enable informed decision-making and long-term value creation, while also acting as a liaison between businesses, institutions, and international partners.

Among the companies represented by Dalessi B.V. is Bühler Leybold Optics, a global technology partner specialising in advanced vacuum coating solutions for photonics, precision optics, and high-performance functional surfaces. Headquartered in Germany and part of the Bühler Group, Bühler Leybold Optics develops and manufactures thin-film deposition equipment and process technologies, including Ion Beam Trimming. These technologies are applied across industries such as photonics, semiconductor manufacturing, consumer electronics, automotive sensing, and medical technology.

With decades of expertise in optical coatings — including anti-reflection layers, mirrors, filters, and protective films — Bühler Leybold Optics enables customers to achieve superior optical performance, efficiency, and reliability. By combining deep process know-how with innovative system engineering, the company supports scalable production from research and development to high-volume manufacturing.