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About us
Why choose us
Your trusted partner in instrument transformer solutions
Our experienced engineering team brings decades of specialist knowledge in instrument transformer design and manufacture, supported by expertise in current and voltage transformers, protection, and metering applications. With a reputation for delivering high-quality, reliable, and bespoke solutions, we work closely with customers to understand their requirements and provide dependable transformer solutions that exceed expectations.
Who we are
Experience that delivers
Founded in 1968 by electrical engineer Dermot Moriarty, D.K. Moriarty Ltd. has built a trusted reputation for specialist expertise in the design and manufacture of bespoke instrument transformers. Now part of the BRUSH Group, we continue to build on our heritage of engineering excellence, delivering precision-designed transformer solutions for demanding electrical applications.
Our solutions
Current transformers
Precision-engineered solutions for protection, measurement, and monitoring applications.
Voltage transformers
Reliable voltage transformation solutions designed for accurate system measurement and control.
Cast resin transformers
Robust, low-maintenance designs offering dependable performance in demanding environments.
Protection & metering transformers
High-accuracy solutions supporting safe and efficient electrical network operation.
Bespoke transformer designs
Custom-engineered solutions developed to meet unique technical requirements where standard products cannot.
Ambition To Grow
Building on our heritage — a new chapter of growth
With a strong foundation built over five decades, D.K. Moriarty Ltd. continues to strengthen its capabilities, investing in engineering expertise, manufacturing excellence, and the development of innovative solutions for our customers.
In 2026, we joined the BRUSH Group, bringing together our specialist instrument transformer expertise with the strength and heritage of a leading provider of power transformers, switchgear, power solutions and services, creating new opportunities to support customers with enhanced capabilities and continued innovation.
Contact
If you have any questions or you'd like to find out more about our services, please get in touch