September 2026
Largest Sensors & Monitoring Public Companies in the UK
Benchmark revenue and EBITDA valuation multiples for public comps like
Halma, Gooch & Housego, Water Intelligence, Oxford Metrics and CyanConnode Holdings.
 | Halma consists of 45 operating businesses managed in a decentralized manner. The company, through its products, focuses on trying to make the world safer, cleaner and healthier. The group operates across three segments: safety, environmental and analysis, and medical equipment. Halma’s products include smoke detectors, healthcare equipment, door sensors, and water treatment. Most of the group’s products are niche with limited competition. Over 75% of sales are generated in the United States, Europe and United Kingdom. Halma is listed on the London Stock Exchange. | $48 | +3% | $18B | $19B | 5.5x | 22.0x | ||
| Gooch & Housego PLC provides photonics technologies and solutions for industrial, aerospace and defence, life sciences, and scientific research applications. Its products include acousto-optic, electro optic and fibre optic components, precision optics, optical systems, and related photonic technologies used in mission critical applications. The company operates through the Industrial, Aerospace and Defence, and Life Sciences segments, with the Industrial segment generating the majority of revenue. The majority of revenue is derived from the sale of components and subsystems, and operations span the United Kingdom, the USA, Continental Europe, and the Asia Pacific region. | $16 | +113% | $445M | $511M | 2.5x | 18.9x | ||
| Water Intelligence PLC provides leak detection and remediation services based in the United Kingdom. The company along with its subsidiaries offers a range of solutions and products for residential, commercial, and municipal customers. It generates revenue from Franchise royalty income, as well as franchise-related activities including product and equipment sales, business-to-business sales, and franchise sales. Additionally, it generates revenue from United States corporate-operated locations and International corporate-operated locations. | $4 | -- | $73M | $100M | 1.1x | 6.7x | ||
| Oxford Metrics PLC is a smart sensing and software company that enables organisations to capture, analyse, and act on motion and measurement data to improve performance, efficiency, and decision-making. The Group operates through two divisions, Motion Capture and Smart Manufacturing, serving life sciences, entertainment, engineering, and smart manufacturing markets. Motion Capture involves the development, production, and sale of computer software and equipment, and contributes the majority of revenue, while Smart Manufacturing focuses on vision inspection systems. The Group operates in the UK, Europe, North America, Asia Pacific, and other regions, with the majority of revenue generated from North America. | $0 | -13% | $55M | $16M | 0.3x | 2.8x | ||
| CyanConnode Holdings PLC designs and develops wireless monitoring and control products for smart metering, lighting, and the Internet of Things applications. The company provides customers with long-range, low-power, end-to-end networking solutions and high-performance applications that help them enhance service delivery, improve business efficiency, and save energy. The company offers a range of solutions including Narrowband RF mesh, Ultimesh, Panmesh, and Omnimesh. The company has operations in Europe, Asia, and Rest of World. | IoT+2 | $0 | -- | $48M | $64M | - | - | |
| Synectics PLC is a UK-based company, which operates in the security and surveillance systems. It business of the group is operated through Synectic Systems which develops and delivers its proprietary, technology-led solutions to specialist markets globally including oil & gas, gaming, transport, critical infrastructure, and public space through local systems integrators and channel partners; and Ocular segment which delivers integrated solutions, service, and support directly to end-users in the UK and Ireland principally within public space, transport, and national infrastructure utilising a combination of proprietary technology and third-party products. | $2 | -40% | $40M | $29M | 0.3x | 2.9x | ||
| Checkit PLC is a real-time operation management software company engaged in providing intelligent operations management platforms for desk less workforces, enabling operational agility and intelligent decision-making in large multinational and complex national organizations. The company's subscription business model offers optional plugins for smart sensor networks and workflow task management. Its solutions apply digital tools and monitoring to transform workforce management and incorporate physical assets into a digital ecosystem using Internet of Things (IoT) sensors and monitoring devices. The company has two operating segments; the United Kingdom, and The Americas. It derives a majority of its revenue from the United Kingdom. | $0 | +41% | $34M | $30M | 1.7x | (22.7x) | ||
| Median | $2 | +3% | $55M | $64M | 1.4x | 4.8x |
Financial data powered by FactSet and Morningstar. Valuation multiples as of current fiscal year. For more data, start your free trial here.
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