About Us

Rank Brothers, founded in 1957, has a long history of excellence in manufacturing scientific instruments and precision machining. As a family-run business for 60+ years, Rank Brothers has 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, BWB Technologies, a certified B Corporation, acquired Rank Brothers' scientific division, 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, which have been its hallmark for generations. The brand's products are widely used across various scientific fields, supporting both research and industrial applications with reliable, high-performance instruments.
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All our instruments are supported by in-house-developed specialised software, enabling precise control and data management and 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.