Welcome to AlarmLine Security Ltd

At AlarmLine Security Ltd we pride ourselves on a reputation that provides our customers with confidence and satisfaction, by identifying their specific requirements, we ensure that systems are designed using the latest technology. AlarmLine Security Ltd was established in 1990 by Geoff and Janice Line and has become one of the largest and most adept installers of electronic security systems in the Lincolnshire area.

AlarmLine Security Ltd was established in 1990 by Geoff and Janice Line and has become one of the largest and most adept installers of electronic security systems in the Lincolnshire area.

Residential Systems

Leaving your home empty is always a worry and risk, as a family founded business our residential customers are as important as our commercial clients. At AlarmLine we will help you decided what type of system best suits you and offer no pressure free consultancy. If you just want to talk it through on the phone then please feel free to contact us.

Commercial Systems

If you want protection from a break-in, attack, or even business interruption then AlarmLine can offer a solution to suit you. Our sales team are diverse on all security elements so you don’t need a different sales person dependent on the system type of size giving you the best solution.

Intruder Alarms

Intruder Alarm Installation & Servicing – Protect What Matters Most

Looking to improve your building’s security? Whether you’re upgrading an outdated system or need reliable maintenance on your current one, AlarmLine delivers expert solutions tailored to your site — and we’re proud to be NSI Gold accredited, ensuring the highest standards of compliance, service, and quality.

Fire Alarms

Stay Compliant & Protected with Expert Fire Alarm Installation & Maintenance

Regular fire alarm maintenance isn’t just best practice—it’s a legal requirement. Our BAFE-accredited team provides reliable, fully certified fire alarm servicing that ensures your system is always ready when it matters most.

Fire Extinguisher

Fire Extinguisher Supply, Installation & Servicing

At AlarmLine, we don’t just install fire alarms — we offer complete fire safety solutions, including fire extinguisher supply, installation, and annual servicing to meet current BS 5306 standards.

Whether you need a full site survey, replacements, or annual maintenance, we’ve got you covered.

CCTV

CCTV Installation & Maintenance You Can Rely On

Keep your premises secure and give yourself complete peace of mind with our professional CCTV systems, designed and installed by experts.

At AlarmLine, we provide high-quality, reliable surveillance solutions tailored to your site — from small offices to large-scale schools and commercial properties.

Access Control

Access Control Solutions – Secure, Simple & Smart with Paxton

Looking to control who goes where and when in your building? AlarmLine provides professional Access Control system design, installation, and maintenance — built around your site’s specific needs. Whether it’s a school, commercial premises, or public sector site, we’ll help you stay secure and compliant.

Lockdown Alarms

Ensure Safety with Our Lockdown Alarm Systems

In today’s world, having a robust lockdown procedure is essential. Our Lockdown Alarm Systems offer schools and public buildings a reliable, easy-to-use solution for initiating a secure lockdown in the event of an emergency.

KnifeArches & Scanners

Fire Extinguisher Supply, Installation & Servicing

At AlarmLine, we don’t just install fire alarms — we offer complete fire safety solutions, including fire extinguisher supply, installation, and annual servicing to meet current BS 5306 standards.

Whether you need a full site survey, replacements, or annual maintenance, we’ve got you covered.

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Customer Satisfaction

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Customer Satisfaction

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Customer Satisfaction

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Customer Satisfaction

APPROVALS / ACCREDITATIONS

We understand that you can only trust a company that has been certified by quality approval bodies and at AlarmLine we have the largest most trusted certification available in the UK. Having NSI Gold, ISO 9001, BAFE SP203 and many more accreditations listed below, shows how committed we are to quality so that you know we are here when you need us.

What we offer

Our Services

Intruder Alarms

Leaving your home empty is always a worry and risk, as a family founded business our residential customers are as important as our commercial clients.

Fire Alarms

The majority of buildings require a fire alarm system to guarantee the protection of life and property. They are the most dependable way of informing all employees and staff of a fire condition, enabling them to take action quickly to ensure their safety.

CCTV

CCTV and surveillance encompasses a wide range of security products designed to protect property, possessions and loved ones against theft and intruders.

Click below to be taken to our contact page where you can find the details of our designated departments, ensuring your query arrives at the right place
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