A1 Security is an award winning supplier and installer of security products and services, covering intruder alarms, CCTV, monitoring, fire alarms, door entry and access control. We are based in Grantham, Lincolnshire.


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  • ALARM OFFER-sml

    Alarm offer

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  • 123016-web

    Video door entry handsets

  • TWINFLEX-ASD-Detector+Sounder-web

    Smoke detectors

  • door entry2

    Prox readers

  • Videx Video Entry

    Video entry kits

  • Tek-2 32 Channel NVR-branded

    32 channel DVR

  • Tek-2 IP HD Bullet Camera-branded

    Bullet cameras

  • Tek-2 4 channel NVR-branded

    4 channel DVR

  • csl dualcom

    CSL Dualcom

  • PSTN-Kit-2 2014

    Pyronix Enforcer Wire Free Alarm

  • Tek-2 HD IP dome camera-branded

    HD dome cameras

  • Tek-2 HD IP PTZ camera-branded

    HD PTZ cameras

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"I have worked with A1 Security Services for the last 10 years. We have their alarm system on both our school premises. The company are a local firm which offers you that personal touch. They are all friendly, helpful, will always put the customer first and are always on hand night or day. I would highly recommend this company to others."


- Sally Hearn Site Manager

4 great reasons why you should choose A1 Security


SSAIB Approved

A1 Security have been members of the SSAIB (Security Systems & Alarms Inspection Board) since 2002.


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Safe Contractor Approved

In April 2013 A1 Security received accreditation from SafeContractor

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WHICH? Trusted Trader

A1 Security can proudly call themselves a Which? Trusted trader

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Constructionline

In July 2015 A1 Security were awarded Constructionline accreditation

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Call us now on 01476 57 97 97 to arrange a free no obligation site survey and quotation for your intruder alarm, CCTV system, fire alarm or access control installation

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