About Us

Rank Brothers, originally founded in 1957, has a long history of excellence in the manufacturing of scientific instruments and precision machining. As a family-run business for 60+ years, Rank Brothers established itself as a trusted name in the industry, particularly known for its innovative solutions in dissolved oxygen measurement, magnetic stirring technology, and particle monitoring for suspensions and emulsions.

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In 2022, the scientific division of Rank Brothers was acquired by BWB Technologies, ensuring the continued development and operation of its long established product range. Today, Rank Brothers operates under the BWB Technologies umbrella, maintaining its commitment to quality and precision that has been its hallmark for generations. The brand’s products are widely used across various scientific fields, supporting both research and industrial applications with reliable and high-performing instruments.

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All our instruments are supported by specialised software developed in-house, allowing for precise control and data management, making them indispensable tools in laboratories and research facilities worldwide.

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As part of BWB Technologies, Rank Brothers continues to innovate and adapt to the evolving needs of the scientific community, while staying true to its legacy of excellence and customer satisfaction. The company remains headquartered in Newbury, UK, where it upholds its tradition of craftsmanship and precision engineering.