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About Us

A Brief History of Claude Lyons

Since its inception in 1918, Claude Lyons has remained at the forefront of innovation in voltage and power control, evolving to meet the changing needs of industries worldwide. Over the decades, our dedication to excellence has propelled us to expand our expertise, encompassing energy-saving solutions and harmonic mitigation technologies.

As a globally recognised leader in voltage stabilisers, power conditioning systems, and uninterruptible power supplies (UPS), Claude Lyons takes immense pride in our state-of-the-art design and manufacturing capabilities. Our commitment to quality and reliability is exemplified through our enduring partnership with TEC (Transformer & Electrical Company), renowned for their superior fixed wound transformer designs. This collaboration has enriched many of our products, ensuring they meet the highest standards of performance and durability.

The recent integration of The Allendale Group Ltd into our family marks a significant milestone in our journey. Serving as a longstanding research and development partner, component manufacturer, and supplier to Claude Lyons and TEC, The Allendale Group Ltd brings invaluable expertise and resources to our organisation. Through this acquisition, we have strengthened our commitment to the Claude Lyons brand and its illustrious legacy of innovation. With the addition of brands, product designs, and key personnel, we are poised to drive even greater advancements in the field of voltage and power control.

In our unwavering dedication to customer satisfaction, we have made substantial investments in spare parts inventory, ensuring seamless support for Claude Lyons' products throughout their lifecycle. As we move forward, our pledge to our customers remains steadfast. We are committed to providing exceptional service, innovative solutions, and unwavering support, reaffirming our position as a trusted partner in powering the world's most critical industries.

Claude Lyons London Office 40 Buckingham Gate

The Allendale Group


Established in 2003 by a team of skilled engineers hailing from diverse backgrounds in electronic, electrical, and electro-mechanical disciplines, The Allendale Group has thrived over the past 18 years. Our success is deeply rooted in our engineering expertise, which forms the bedrock of our operations. With an unwavering commitment to excellence, we consistently deliver optimal solutions tailored to the unique requirements of each project and scenario.

At the heart of our operations lie our in-house electronic, electrical, and metalwork design capabilities, bolstered by cutting-edge CAD technologies. This robust infrastructure empowers us to craft bespoke solutions that precisely align with our customers' needs, ensuring unparalleled quality and performance in every endeavor.

Operating from two state-of-the-art industrial units spanning over 25,000 square feet in Hoddesdon, Hertfordshire, we have strategically positioned ourselves for efficiency and scalability. Our recent expansion in 2021 underscores our dedication to growth and innovation, enabling us to better serve our expanding clientele with enhanced capabilities and resources.

In addition to our operations in the United Kingdom, The Allendale Group extends its reach to Allendale Hangzhou in China. Here, we boast a 10,000 square feet warehouse and a dedicated quality assurance center, further fortifying our global footprint and commitment to excellence in every facet of our business.

At The Allendale Group, we are not just engineering solutions; we are shaping a future defined by ingenuity, precision, and unwavering dedication to customer satisfaction. Join us on our journey as we continue to push the boundaries of innovation and set new standards of excellence in the engineering industry.

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