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D.K. Moriarty

Copyright © D.K. Moriarty Ltd. 2026
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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.

Our solutions

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.

DK Moriarty

Our solutions

Current transformers

Current transformers

Precision-engineered solutions for protection, measurement, and monitoring applications.

Voltage transformers

Voltage transformers

Reliable voltage transformation solutions designed for accurate system measurement and control.

Cast resin transformers

Cast resin transformers

Robust, low-maintenance designs offering dependable performance in demanding environments.

Protection & metering transformers

Protection & metering transformers

High-accuracy solutions supporting safe and efficient electrical network operation.

Bespoke transformer designs

Bespoke transformer designs

Custom-engineered solutions developed to meet unique technical requirements where standard products cannot.

DK Moriarty

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.

Case studies

Learn more about our
capabilities and projects

Contact

If you have any questions or you'd like to find out more about our services, please get in touch

Contact Us

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