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SIS (NW) LTD - Protecting high security sites across the north west & beyond for over 30 years.

SIS (NW) LTD specialises in bespoke security installations and project management for major end-users and integrators. We're specialists in the design, installation, maintenance & monitoring of integrated solutions for high-security sites across Preston, Lancashire, the North West & beyond.

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Clients we've worked with

SIS (NW) LTD is a Security Systems Integrator that specialises in major systems projects

we are SIS (NW) LTD.

The SIS (NW) LTD team combines a wealth of practical experience with technical knowledge. Our staff come from backgrounds including all branches of the military and national fire & security companies. Our team is made up of, design consultants, engineers and specialist project managers experienced in delivering high-end security systems. All personnel are security cleared appropriately with their role. We have the capability and experience of running major projects as tPrincipal contractor. We excel in managing installations for CNI, custodial premises, the education sector and NHS.

About Us


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What we do.

Project management

At SIS (NW) LTD we have decades of experience in delivering cost-effective and results-driven project management services for major fire and security integrators.
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Assessment & site survey

When was the last time you had experts review your security and fire systems? Our expert team can visit your site and provide an in-depth assessment and site survey.
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tailored system design

Let our experienced design consultants design a high-end security system for your business. Our secure system designers have decades of experience in high-end security system design.
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supply, installation & maintenance

Our engineers come from all backgrounds including military, national fire and security so our supply, installation and maintenance service is done to the highest level.
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Security & monitoring

Need your site monitoring? Not only do we design, install and maintain your security systems but we can monitor your site too.
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fully tailored, Integrated solutions, designed, installed, monitored & maintained.

Looking for a completely hands-off approach to keeping your business or site safe and secure? With our total security service we'll handle everything from assessment, build & installation, maintenance and monitoring of your fire and security systems.

SIS Total Security

Sectors we secure.

How SIS worked with the NHS on multiple occasions to tighten up security

Explore the case study

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