Established in 1964 by Chairod Mahadumrongkul, Cosmo Group PLC, together with its affiliated companies, has over 60 years of expertise in the luxury goods sector. We specialize in the production of high-end packaging, display products, and precision watch components, including dials and buckles. In parallel, our Swiss division was launched in Bienne, Switzerland, to provide comprehensive sales and technical support for our European clientele.

From humble beginnings, Mr. Mahadumrongkul founded Cosmo from the ground up in 1964, at a time when we had limited access to advanced technologies, industry experts, and market opportunities. Despite these challenges, we have evolved into a trusted partner for some of the world’s most prestigious luxury watch brands, particularly those from Switzerland.

At Cosmo, our operations are guided by a strong ethical foundation, ensuring that every task is executed with care and precision. Our dedication to quality and integrity starts with a deep understanding of our clients' needs and extends through every stage of production.

Our core focus lies in three main areas: luxury packaging and display solutions, high-precision watch dials, and watch cases and accessories. The unparalleled quality of our products plays a pivotal role in our partnerships with leading global brands. By combining decades of experience with cutting-edge automation and the expertise of our highly skilled team, we continue to drive innovation and excellence across all facets of our operations.

Cosmo Group PCL

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Cosmo Group PCL

Org chart

Teams

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