Welcome to Jensen Security and Fire Systems

The No1 Security Company in the Cambridgeshire Area

Who We Are
Intruder Alarms

Jensen Security and Fire Systems provides a range of security options for your home and business to ensure that you always have peace of mind.

Fire Alarm Systems

Jensen Security and Fire Systems will ensure your fire alarm system is designed, installed, commissioned, maintained and legally compliant by one of our trained qualified engineers.


CCTV (closed circuit television) has become a necessary tool to help reduce crime, protect public spaces, businesses and organisations. Jensen Security and Fire Systems can meet your needs in this area.

Fire Extinguishers

Jensen Security and Fire Systems will not only install a comprehensive fire alarm system, we will also supply, install and maintain a wide range of fire extinguishers.


PAVA systems within buildings where there is a need to provide clear concise spoken messages either for general day to day messages or in the event of an emergency.

Access Control

Our biometric door access locks can be used to reliably secure your home as well as your office. With our biometric locks you can completely control who can and can't access your building.

Feel Secure with Jensen Security and Fire Systems

The Only Company In Cambridgeshire That has NSI Gold For Fire And Security

Jensen Security & Fire Systems provides a range of security options for your home and business to ensure that you always have peace of mind, no matter where you are.

Intruder Alarms For Home And Business Security

Large range of security options for your home and business.

Multiple properties can be secured using our door access systems, wireless networks and i.p connectors. All our installations are graded from 1 – 4 and these give an accurate indication of the level of security provided. We also offer a home control mobile phone app, business intruder alarms and a variety of other security solutions.

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Fire Alarms For Your Homes or Business

Legally compliant by one of our trained qualified engineers.

We emphasise only accredited companies should be trusted with their employees lives when it comes to fire alarm systems design, installation, commissioning and maintenance

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Mr HughesStilton, Peterborough, Domestic Alarm

“Jensen were recommended by a neighbour and we would not hesitate to recommend their services. From the initial survey by Tom right through to installation and testing, the service provided by the team was professional, friendly and instilled confidence. We are delighted with the alarm and the aftercare & maintenance arrangements.”

Mr SPeterborough, Domestic Alarm and CCTV

“We found that Jensen Security responded promptly to our initial inquiry for an alarm system together with camera surveillance. The system was explained to us and modified to suit our particular needs. The cost was competitive and the installation was arranged to our convenience. The engineers were clean and tidy and the installation was completed to our satisfaction.”

Paul BakerDirector of Construction, Princebuild

“Jensen have been our appointed security systems specialists for over 7 years covering fire alarm, security system, access control and PAVA and CCTV works. Jensen have always proven to be very competitive in their costing and more importantly, have delivered on time and to the agreed budget every time. One of their strengths is thinking outside of the box and desire to provide solutions. I would have no hesitation recommending Jensen Security and Fire Systems.”

Louis JoyceContracts Manager, PPVS

“Jensen Security and Fire Systems can always be relied upon to deliver a flexible professional service in a friendly supportive manner, and liaise with our facilities team to offer the best advice in order to maintain and enhance our systems. They are always on hand at the end of the phone, quick to respond in urgent situations, and their work is always of an excellent standard. It is with every confidence and without hesitation that we would have no reservation at all in recommending Jensen for providing professional advice and delivering effective solutions to your security and fire systems requirements.”

James FrielandRutland County Council

“Jensen Security and Fire Systems provide services to Rutland County Council. They have led in the design and installation of security systems to meet our needs. The whole team are knowledgeable, very much customer focused and willing to provide guidance and advice, delivering a responsive service when problems arise.”

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