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Intelligent Security Solutions

For more than 25 years, we’ve been developing robust, innovative infrastructure‑protection solutions—designed and engineered proudly in Somerset, UK.
Our customers range from national utilities to worldwide military and police forces, as well as national heritage organisations.

What we do

Sentinor helps make your world more secure.
Our intelligent security solutions deliver real‑time situational awareness and protection against the unexpected.


Whether you need to defend perimeters, safeguard assets, or protect people, Sentinor is here to keep you safe.


Our alarm analysers and sensors are fully approved by the UK Government’s National Protective Security Authority and listed within the Catalogue of Security Equipment.
 

Watercress Sensor

Sensors

Our diverse sensor range features multiple detector options, extensive attack‑detection capabilities, and flexible communication types—ensuring the right fit for every security requirement.

Watercress Enhanced+ Secure Hatch Alarm Analyser

Alarm Analysers

Sentinor offer a range of alarm analysers tailored to different applications, industries, and installation requirements.

FlightDesk Alarm Monitoring System

Alarm Management

Our alarm management solutions deliver clear, user‑friendly oversight of all events from our alarm analysers, combining efficient event collection and processing.

Services

Sentinor not only manufacture security solutions but are also able to carry out installation, maintenance and support work using our team of skilled project engineers.

Manufacturing

Manufacturing

Manufacturing bespoke security solutions for over 25 years.

Installation

Installation

Installation of our products can be carried out by our team of experienced engineers.

Support

Support

Nationwide support is available for all of our products and systems.

Why Choose Sentinor?

Calendar

Over 25 Years of Expertise

Over 25 years of experience delivering bespoke security solutions for critical national infrastructure.

Certified

UK Government Approved

Our alarm analysers and sensors have been assessed and approved by the UK Governments National Protective Security Authority (NPSA).

Watercress Water Protection

Leaders in Potable Water Security

Industry leaders in the protection of potable water access points.

Listed

Security-Certified Technology

Our approved products are listed within the NPSA's Catalogue of Security Equipment (CSE).

Made in Britain

Proudly British Built

All of our products are proudly designed and manufactured from our offices in Somerset, UK.

Cyber secure

Cyber-Secure by Design

All of our sensors and systems are engineered with physical and cyber security as a fundamental design principle.

Connections

We connect with companies who are trusted and who care about the end user just as much as we do. Here's a list below.

ASL - Argus Security Limited
Technocover
Reliance High Tech
Pointer Ltd
Detection Technologies
BHP Security Systems
Galliford Try
Cortech
CAT Electrical, Fire & Security Ltd
Schneider Electric

Clients

United Utilities
Severn Trent Water
Northern Ireland Water
Affinity Water
Scottish Water
Anglian Water
South Staffs Water
National Trust

Certification & Accreditation

Cyber Essentials Plus Certified
ISO 9001
Tech UK
Living Wage Employer
Made in Britain
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