16 Best Alarm & Security Installers in Bristol for 2026

🚨 16 businesses · 📍 Bristol
✓ Reviewed regularly · ✓ Updated 19 August 2026
Mark Reid
Written by Mark Reid, Trades Editor · Verified 19 August 2026
Bristol's mix of housing throws up some genuinely different security jobs. You've got the tall Georgian terraces around Clifton and Redland with their original sash windows and basement flats, the newer estates out towards Emersons Green and Bradley Stoke with integrated alarm wiring already in place, and the student HMOs around Bishopston and Southville that landlords need covering for insurance purposes. An installer working across the city needs to know how to fit a wireless system into a listed building without upsetting conservation rules, just as much as they need to handle a full CCTV and monitored alarm setup for a warehouse unit out near Avonmouth. Hills, split levels and narrow Victorian alleyways behind houses in Bedminster also change how cameras and sensors get positioned, so local knowledge counts for more than you'd think.

The businesses featured here are pulled from public business listings and ranked mainly by review rating and how many reviews they've built up, with a small boost for those showing a working website and phone number. We read through each firm's homepage to check that alarm and security installation is genuinely their main trade, not something offered as an afterthought alongside general electrical or locksmith work. This keeps unrelated tradespeople off the list. Any listing flagged as permanently closed gets removed as part of that process. Where you spot a Trust Verified badge, that business has gone further and passed our full verification, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information. Our How We Verify page sets out exactly what that covers. Businesses without the badge haven't been through that process with us, so those checks are worth doing yourself before you commit.

Before booking anyone, ask to see proof of any relevant accreditations and check whether the system they're proposing is monitored or self-monitored, since that changes both the price and what happens if the alarm triggers when you're not home. Get a written quote that specifies the number of sensors, camera resolution, cabling versus wireless, and what's included in any annual maintenance charge. It's worth asking whether they're NSI or SSAIB approved, since some insurers ask for this before they'll reduce your premium. Getting two or three quotes isn't just about price, it also shows you how each installer talks through the job and whether they spot things others miss, like a weak point at the side return or an outbuilding that needs its own sensor.
How We Select & Rate The Best Alarm & Security Installers in Bristol

Rankings are based on review rating and review count from public business listings, with a small lift given to businesses showing a working website and phone number. We check each business's homepage to confirm alarm and security installation is their primary trade, which keeps unrelated businesses off this page. Listings flagged as permanently closed are removed automatically. Businesses marked Trust Verified have gone further, passing our full verification covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information; see our How We Verify page for the complete list. Other businesses here haven't been independently verified by us, so inclusion isn't an endorsement. Always do your own checks before hiring.

Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →

Quick Comparison — Alarm & Security Installers in Bristol

# Business Rating Reviews Phone
1 Gem Security Systems Ltd ⭐ 4.8 216 0117 978 8676 View →
2 Omega Fire and Security Ltd Bristol ⭐ 5.0 114 0117 332 0088 View →
3 IC2 Security ltd ⭐ 5.0 106 0117 318 3883 View →
4 Alarmsafe 24hr Repairs & . Installs ⭐ 4.9 84 0117 966 8765 View →
5 A&E Fire and Security ⭐ 5.0 23 0800 318443 View →
6 Simco Security Ltd ⭐ 5.0 22 0117 389 0999 View →
7 Aerial Force Installation - Bristol ⭐ 4.5 46 0330 173 6207 View →
8 Adept Fire & Security Ltd ⭐ 4.8 24 0117 901 2563 View →
9 ICB Security Ltd ⭐ 5.0 12 07356 252144 View →
10 Opsys Fire and Security ⭐ 5.0 10 0117 287 0306 View →
11 Standfast Security Systems ⭐ 4.5 25 0117 942 3366 View →
12 Avon Alarms & Avon Fire Systems ⭐ 5.0 7 0117 952 6000 View →
13 Avert Fire and Security Limited ⭐ 5.0 7 07852 282401 View →
14 Sovereign Fire & Security ⭐ 4.5 11 0117 463 9044 View →
15 Remote Surveillance Ltd ⭐ 5.0 3 020 3488 7000 View →
16 Chew Valley Gates ⭐ 3.0 5 441275331333 View →

Our Top Picks

1
Gem Security Systems Ltd
Not Verified
4.8 (216 reviews)
Bristol 0117 978 8676

A call to Gem Security Systems often follows a break-in scare or an insurer's request for better protection, with alarms and CCTV fitted around the property to close the gaps. The Bristol firm has built up 211 reviews averaging 4.8, suggesting most jobs are completed without fuss or follow-up callouts.

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2
Omega Fire and Security Ltd Bristol
Not Verified
5.0 (114 reviews)
Bristol 0117 332 0088

Omega Fire and Security Ltd installs and maintains fire alarm and security systems for homes and businesses across Bristol. The firm covers detection, CCTV and access control, working with clients who need compliance-driven installations rather than one-off fixes. It holds a 5-star rating from 114 reviews, a fairly consistent record for a company operating in this field.

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3
IC2 Security ltd
Not Verified
5.0 (106 reviews)
Bristol 0117 318 3883

Bristol properties requiring alarm systems and security installations are covered by IC2 Security ltd, whose work spans domestic and commercial premises across the city. The firm has built a record of 106 reviews averaging five stars, reflecting consistency in fitting and maintaining monitored systems. Enquiries can be made through their website for further detail on coverage.

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4
Alarmsafe 24hr Repairs & . Installs
Not Verified
4.9 (84 reviews)
Bristol 0117 966 8765

Bristol properties needing alarm work outside normal hours are covered by Alarmsafe 24hr Repairs & Installs, which handles both new installations and fault callouts across the city. The BS3 area business has built a strong local reputation, reflected in a 4.9 rating from 84 reviews, largely on the strength of its round-the-clock availability.

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5
A&E Fire and Security
Not Verified
5.0 (23 reviews)
Bristol 0800 318443

Landlords, letting agents and property managers across Bristol call on A&E Fire and Security for fire alarm and security system installation across managed portfolios. The firm handles compliance-driven work where certification and reliability matter as much as the equipment fitted. Reviews on Google put the company at five stars from 23 clients, reflecting consistent standards across repeat instructions.

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6
Simco Security Ltd
Not Verified
5.0 (22 reviews)
Bristol 0117 389 0999

Intruder alarm installation and monitoring form the core of Simco Security Ltd's work in Bristol, covering domestic and commercial properties across the BS14 area. The firm handles system design through to ongoing maintenance, and has built a 5-star record from 22 reviews. Callouts for fault diagnosis and upgrades of older systems are also part of its regular workload.

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7
Aerial Force Installation - Bristol
Not Verified
4.5 (46 reviews)
Bristol 0330 173 6207

Bristol and the surrounding BS9 area fall within the coverage of Aerial Force Installation, which fits alarm and security systems alongside its aerial work. The firm holds a 4.5 rating from 46 reviews, reflecting consistent standards across its call-outs. Local households and businesses can arrange installation without needing to seek separate contractors for each system.

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8
Adept Fire & Security Ltd
Not Verified
4.8 (24 reviews)
Bristol 0117 901 2563

Bristol properties requiring fire and security systems fall within reach of Adept Fire & Security Ltd, covering alarm installation and related protective measures. Reviewers rate the firm 4.8 from 24 responses, a sign of consistent workmanship across the jobs it takes on. The BS4 postcode sits close to its base, aiding response times locally.

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9
ICB Security Ltd
Not Verified
5.0 (12 reviews)
Bristol 07356 252144

Landlords, letting agents and property managers across Bristol use ICB Security Ltd to keep rented properties and commercial premises protected between tenancies. The firm installs and maintains intruder alarms and security systems, with a rating of 5 from 12 reviews reflecting consistent workmanship. Its BS1 base allows straightforward call-outs across the city centre and surrounding areas.

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10
Opsys Fire and Security
Not Verified
5.0 (10 reviews)
Bristol 0117 287 0306

Landlords, letting agents and property managers across Bristol use Opsys Fire and Security for alarm and fire system installations across rented and managed portfolios. The company covers ongoing compliance needs alongside new installations, work reflected in a full five-star record from ten reviews. Based in the BS3 area, it serves clients needing consistent cover across multiple properties rather than one-off jobs.

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11
Standfast Security Systems
Not Verified
4.5 (25 reviews)
Bristol 0117 942 3366

A 4.5 rating from 25 reviews points to consistent workmanship at Standfast Security Systems, an alarm and security installer serving Bristol. The company fits intruder alarms and CCTV systems for domestic and commercial premises, with jobs carried out and signed off to a standard that clients have been willing to vouch for repeatedly.

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12
Avon Alarms & Avon Fire Systems
Not Verified
5.0 (7 reviews)
Bristol 0117 952 6000

Avon Alarms & Avon Fire Systems installs and maintains intruder alarms and fire detection systems for homes and businesses in Bristol. The firm covers both security and fire safety under one roof, a combination not every installer offers. Reviews on Google put it at five stars from seven customers, reflecting consistent workmanship across its jobs.

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13
Avert Fire and Security Limited
Not Verified
5.0 (7 reviews)
Bristol 07852 282401

A five-star rating from seven reviews points to consistent standards at Avert Fire and Security Limited, which installs alarm and security systems for properties across Bristol. The company works on fire and intruder detection setups, tailoring installations to individual buildings rather than offering one-size-fits-all packages. Its client base remains small, which allows closer attention to each job.

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14
Sovereign Fire & Security
Not Verified
4.5 (11 reviews)
Bristol 0117 463 9044

Bristol and the surrounding areas are served by Sovereign Fire & Security, which installs and maintains fire and intruder alarm systems for homes and businesses. Work covers detection equipment, CCTV and access control, with an emphasis on ongoing maintenance rather than one-off fitting. The firm holds a 4.5 rating from 11 Google reviews.

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15
Remote Surveillance Ltd
Not Verified
5.0 (3 reviews)
Bristol 020 3488 7000

A call to Remote Surveillance Ltd often follows a break-in attempt, a run of parcel thefts, or simply a landlord wanting cameras fitted before new tenants move in. The Bristol firm installs CCTV and alarm systems, connecting them for remote monitoring so clients can check footage from a phone rather than relying on someone being home.

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16
Chew Valley Gates
Not Verified
3.0 (5 reviews)
Bristol 441275331333

Security and alarm installation services for the Bristol area, with a postcode centred on BS39 5BX suggesting particular coverage across the Chew Valley and surrounding rural stretches. Chew Valley Gates installs and fits security systems suited to properties where gate and perimeter security is a practical priority. The company's name points to a specialism in gated access alongside broader alarm installation work.

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Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →

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Frequently Asked Questions

How much does a alarm & security installers cost in Bristol?
A basic wireless burglar alarm for a two or three bedroom terrace in areas like Horfield or Knowle typically runs from around £250 to £500 fitted, while a monitored system with keypad and app control can push that to £600 to £1,200. Adding CCTV cameras usually adds £150 to £300 per camera depending on resolution and whether it's wired or wireless. Larger properties, outbuildings or commercial units in places like Bristol's harbourside or Filton naturally cost more due to extra sensors and cabling runs. It's normal to get two or three quotes, since prices for the same job can vary by a few hundred pounds between installers.
Do I need planning permission to fit a burglar alarm or CCTV in Bristol?
Most standard alarm boxes and cameras don't need planning permission, but if you're in a conservation area, such as parts of Clifton or Cotham, or your property is listed, you may need consent before fixing anything to the external wall. Your installer should flag this, but it's worth checking with Bristol City Council's planning department yourself if you're unsure, especially before drilling into period stonework or render.
What's the difference between a monitored and self-monitored alarm system?
A monitored system connects to a control centre that alerts the police or a keyholder if the alarm triggers, which usually comes with a monthly or annual monitoring fee on top of installation. A self-monitored system just sends an alert to your phone, so you decide what to do next. Monitored systems tend to satisfy insurance requirements more reliably, so check your home insurance policy wording before choosing.
Will a burglar alarm or CCTV system reduce my home insurance in Bristol?
Many insurers offer a discount for a monitored alarm certified to NSI or SSAIB standards, though the amount varies by provider. It's worth asking your installer for documentation confirming the standard the system meets, then contacting your insurer directly to confirm what discount, if any, applies before you pay for the upgrade.
How long does it take to install a home alarm system in Bristol?
A standard wireless alarm for a typical semi-detached house usually takes half a day to a full day, including setup and a walkthrough of the app or keypad. Hardwired systems, more common in older Bristol properties with solid walls, can take one to two days because of the cabling involved. CCTV installations depend on the number of cameras and whether cabling needs running through lofts or under eaves.
What should I check before choosing an alarm or security installer in Bristol?
Ask to see evidence of relevant trade accreditations, such as NSI or SSAIB approval, and request proof of public liability insurance before any work starts. Look at how long they've been trading and read a spread of recent customer reviews, not just the top ones. Get a written quote that itemises equipment, labour and any ongoing monitoring or maintenance costs, and confirm what happens if a sensor fails outside of any warranty period. Speaking to a previous customer, if the installer can offer one, is a good extra step before signing anything.