BIRN was founded in 1896 by Peter Christian Birn in Holstebro, Denmark where we today still are headquarted. BIRN is the single-source-supplier for all your design, casting, precision machining and surface treatment needs. We offer an optimal manufacturing process for a wide range of machine-molded castings with a weight range of 200 g to 50 kg in both medium and large series - both with and without cores.

Cast iron is a versatile and durable material and forms the basis of all our businesses across the BIRN Group. With more than 750 passionate colleagues spread across Denmark, Sweden, Germany and Italy, we are one of the significant manufacturers of cast iron solutions – from various areas of casting and processing.


BIRN is company of the year 2023

At the Business Culture Awards 2023, BIRN emerged as Company of the Year. BIRN won the award due to its recent years' focus on growth and efforts to create a greener business and a positive working environment. 

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Our business is old, but our mindset is green.

Our sustainable strategy



BIRN is the single-source supplier for our customers' casting, precision machining and surface treatment needs.

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Numerous industries rely on cast iron for a wide variety of applications. 

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We are always looking for dedicated employees

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The story of BIRN dates all the way back to 1896. During the years, our company has grown to be one of the largest foundries in the Northern Europe.

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