About Us

Founded in 1963 as a manufacturer of heating cables for the refrigeration and electric blanket markets, Thermocable has continued to innovate and develop, becoming the world leading manufacturer of linear detection cable and monitoring systems.

This transformation has been driven by our boundless desire to problem solve, as well as our fundamental company values, enabling us to supply to multi-disciplinary customers on a global scale.

Recognising our commitment to making the world a safer place, Thermocable was acquired by the renowned FTSE 100 plc, Halma, in February 2023. As a global group of life-saving technology companies, Halma companies strive to grow a safer, cleaner and healthier future for everyone.

Operating within the Apollo Group, we continue to innovate in high quality, certified linear detection products, designed to raise the bar in the industry.

As an IS0 9001:2015 accredited, internationally qualified category solutions provider, Thermocable offers a vertically integrated lean approach through design, development and manufacturing, providing reassurance of a flexible and responsive approach to our customer needs.

Our Values

Dedicated to growing a vibrant and healthy culture, underpinned by the drive for safety, compliance and sustainability, our values include:

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Open Minded Curiosity

Every day we innovate. Exploring ideas, testing theories, asking the question…What if? It’s what we love. And it’s what we do best.

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Perseverance in problem solving. Thinking laterally with agile minds to pursue and achieve our goals.

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Outstanding Quality

A key factor in everything we produce. Whether it’s related to safety, reliability or durability. If it has our name on it, it has to be ‘outstanding’.

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In the relationships we build, we instil honesty, trust, support and loyalty. It’s something we extend to everyone we work with, be it employees, customers or suppliers.

Our History


Laying the foundations for six decades of business growth

Thermocable Flexible Elements Limited was founded in 1963, first trading as Thermo-Insulations (Yorkshire) Limited and changed its name to Thermocable (Flexible Elements) Limited in 1978, moving to our current premises at Pasture Lane, Clayton, Bradford in 1980.

Here the foundations were laid to provide longevity as a successful trading entity with a rich heritage of product development and innovation.


Harnessing our home grown engineering expertise

Equipment designed and engineered in-house, delivered the capability to produce heating cables with market leading flexibility, the key requirement for long-lasting electric blankets. As time progressed the manufacture of flexible heating cables became Thermocable’s core competence.

Harnessing this considerable in house expertise led to our association with the innovation, design and manufacture of these cables as demand continued to grow.


Gearing up to export our flexible heating cables

Thermocable began to export flexible heating cables to electric blanket manufacturers in Europe, South Africa and Hong Kong in the late 1990’s, and in 2001 acquired an additional facility to manage increasing demands on the business, especially with the anticipation of exporting heating cables to the USA.

As new markets were being established, it became clear that increased globalisation combined with manufacturers moving production facilities overseas, would lead to the demise of manufacturing electric blankets in the UK.


Signalling an intensive period of R&D and launching linear detection

The business began an intensive research and development programme to identify new cables that could be developed and manufactured from existing technologies and to diversify and penetrate new and more robust markets. The outcome; a suite of linear detection products developed and qualified to international product approvals.


Enhancing our family of linear detection products and growing the ProReact brand

We have subsequently safeguarded our product innovations and approvals with the appropriate patents and trademarks. This has been followed by vertically integrating our supply chain to increase control over product quality and availability. Our manufacturing facility is now state of the art and contains a purpose-built testing laboratory to measure consistency in the goods produced and to further strengthen our product development capabilities.

Thermocable continues to raise the bar by launching new products to the marketplace based on internal R&D and customer feedback - our ProReact brand in particular has accumulated quick traction in the industry and is now widely recognised across the globe as a leading brand name in linear heat detection.


Becoming a Halma company

Recognised as a leading developer and manufacturer of Linear Heat Detectors, with continued scope for expansion, Thermocable were delighted to join Halma’s global group of life-saving technology companies in February 2023.

“Thermocable’s specialist technologies will further enhance Apollo’s existing strengths in fire detection and alarm systems for industrial and commercial customers,” said Andrew Williams, Group Chief Executive of Halma. “They will enable Apollo to address a greater range of customer needs in niche applications for a variety of sectors such as urban infrastructure and transportation, logistics, natural resources and emerging applications in renewable power generation.”

Looking to the future

A focus on delivering major benefits to our customers

Backed by Halma, the team at Thermocable continues to grow through the recruitment of skilled and experienced individuals whose contribution will support the next phase of our international sales and product development.

Benefits of working with Thermocable Flexible Elements Ltd

  • World leading manufacturer of cable based sensing and detection technologies based in the UK
  • We continually generate new ideas to bring best leading edge products to market
  • Our vertically integrated lean approach through design, development and manufacturing processes provides reassurance of a flexible and responsive approach to our customer needs and speed to market
  • Our experienced and technically competent team delivers an innovative approach to product development and emerging markets
  • Internationally qualified category solutions provider