Custom Transformers Ltd is a long-established UK manufacturer specialising in the design and production of bespoke electrical transformers and wound components. Founded in 1972, the business has built a strong reputation for technical expertise, reliability, and a practical, solutions-led approach to transformer manufacture.

Operating from its facility in Wiltshire, Custom Transformers works closely with customers to design components that meet precise electrical, mechanical, and environmental requirements. Every transformer is engineered to suit the application, whether for industrial equipment, electronic systems, power supplies, control panels, or specialist OEM products. This consultative approach ensures performance, safety, and efficiency are built in from the outset.

The company manufactures a wide range of products, including toroidal transformers, laminated transformers, ferrite transformers, mains transformers, and fully bespoke wound parts. In addition to complete transformer units, Custom Transformers also provides a dedicated coil winding service, supporting customers who require custom coils or replacement components to exact specifications.

Quality and consistency are central to the company’s operations. By combining modern manufacturing techniques with decades of hands-on experience, Custom Transformers delivers products that meet relevant industry standards while maintaining flexibility for low-volume, high-specification projects as well as ongoing production runs. Each unit is produced with careful attention to detail, testing, and traceability.

Custom Transformers serves a broad range of sectors, including electronics, engineering, telecommunications, alarm systems, marine, and industrial machinery. Many customers return repeatedly, valuing the company’s technical support, responsive service, and ability to handle complex or unusual requirements that off-the-shelf products cannot satisfy.

With over fifty years of experience, Custom Transformers Ltd continues to support UK and international customers with dependable, custom-built transformer solutions, backed by knowledgeable engineers and a commitment to long-term partnerships rather than one-off supply.