Best Security Installers in Liverpool
Compare the top security installers in Liverpool & Sydney, NSW — ranked by our composite reputation score.
Updated September 2026 · Based on 706 real Google reviews across 35 security installers
Top Security Installers in Liverpool & Sydney, NSW
The best security installers in Liverpool, NSW are Rimfire Security Doors & Screens (5.0★, 125 reviews), Home Entertainment Solutions (5.0★, 108 reviews), Joshi Electrical & Communications (5.0★, 87 reviews), Clydetech Blinds and Screen Doors O45l OOl O6O (4.9★, 73 reviews) and Jim's Security (Austral) (5.0★, 35 reviews). Each is ranked by an independent reputation score from real Google reviews (706 reviews analysed across 35 businesses) — see the full top 35 below. Rankings last updated September 2026.
Clydetech Blinds and Screen Doors O45l OOl O6O
Read 73 reviews · Score: 72/100
World Above Network Solutions Pty Ltd
Read 8 reviews · Score: 61/100
Connex Antenna & Security Liverpool
Read 6 reviews · Score: 61/100
Alarm Express - Alarm Maintenance Service
Read 5 reviews · Score: 61/100
A2Z security and telecommunications services
Read 4 reviews · Score: 57/100
All Security Technology Pty Ltd.
Read 4 reviews · Score: 57/100
Tracker Detectives - Bug Sweep Sydney
Read 1 reviews · Score: 57/100
NSC Systems Liverpool | Security Cameras & CCTV Installation
Read 6 reviews · Score: 28/100
Protected View
Read 8 reviews · Score: 20/100
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Frequently Asked Questions
Common questions about security installers in Liverpool.
Who are the best security installers in Liverpool?
We've ranked the top 35 security installers in Liverpool, NSW based on our composite reputation score combining Google ratings, review volume, and online presence. Our rankings are updated daily.
How do you rank security installers in Liverpool?
Each business gets a reputation score out of 100 from three things: its Google star rating (up to 47 points), how many reviews back that rating (up to 35), and whether customers can reach it via a website and phone number (up to 18). Review volume is the one part that can subtract: below 15 reviews it costs points, because a near-empty review record gives a stranger very little to go on. No score falls below 0, nothing else is counted, and placement cannot be bought. The score measures the strength of a business's public review record rather than the quality of its work, so it is worth reading the reviews as well — every listing links to them on Google.
Why does a security installer with all 5-star reviews score lower than one with a lower rating?
Because review volume counts as well as rating, and below 15 reviews it counts against you. Five perfect reviews are encouraging but thin evidence; three hundred reviews averaging 4.7 tell a stranger far more about what to actually expect on the day. That is a judgement about how much proof exists, not about the quality of the work, and a newer business with a handful of excellent reviews may still be the right choice. The star rating and review count sit next to every score so you can weigh both yourself.
Why does the same business not appear several times?
Some businesses run more than one Google listing, often one per suburb they service. Those are the same company, so we group them and show the business once, using the listing with the strongest review record.
How many security installers are there in Liverpool?
We track hundreds of security installers across Liverpool and the wider NSW area. This page shows the top 35 based on their online reputation.
How can I improve my security installer business ranking in Liverpool?
The best way to improve your ranking is to consistently collect genuine customer reviews. Businesses that actively manage their online reputation typically see 2-3x more enquiries. Tools like Starworks can automate this process.
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