Best Security System Installers in Hamilton

We assessed 12 security system installers in Hamilton and ranked the top 5 on public rating quality, review volume and how recent the reviews are. The businesses listed below hold 460 Google reviews between them. No business can pay for a place in these rankings. Last updated 6 November 2026. How we rank

Top 5 Security System Installers in Hamilton

The top 5 security system installers in Hamilton are #1 OnGuard Security, #2 Harmony Tech, #3 Arc Automation, #4 Waikato CCTV Solutions, and #5 Kiwistream Solutions, ranked by Top5 Score.

  • 1

    ONGUARD Security

    ★ 5.0 205 reviews Score 169
    Highest
    5★ 200 4★ 5

    OnGuard Security covers security camera installation, alarm servicing, CCTV systems, and alarm upgrades for both residential and business clients.

    3/145 Ingram Road, Glenview, Hamilton

    Call 0800 664 827 Map Is this your business?
  • 2

    Harmony Tech

    ★ 5.0 45 reviews Score 148
    21.2 behind
    5★ 44 4★ 1

    Harmony Tech covers security camera installation, alarm systems, and AV and home automation setups, making them a practical choice when several tech systems need sorting at once.

    14 Taylor Terrace, St Andrews, Hamilton

    Call 027 489 6886 Map Is this your business?
  • 3

    Arc Automation, Security & Electrical Ltd

    ★ 5.0 41 reviews Score 148
    21.3 behind
    5★ 39 4★ 2

    Arc Automation covers alarm servicing and battery replacements, networked CCTV installations, and electric gate maintenance, making them a fit for clients who want one team across multiple systems over time.

    21 Ruakura Road, Hamilton East, Hamilton

    Call 07 849 0901 Map Is this your business?
  • 4

    Waikato CCTV Solutions

    ★ 5.0 35 reviews Score 146
    23.4 behind
    5★ 35

    Waikato CCTV Solutions installs residential and small-business security cameras, doorbells, and NVR systems, including customer-supplied equipment.

    19 Tokerau Drive, Rototuna North, Hamilton

    Call 021 088 16155 Map Is this your business?
  • 5

    Kiwistream Solutions Limited

    ★ 5.0 33 reviews Score 128
    41.1 behind
    5★ 32 4★ 1

    Kiwistream Solutions turns around Starlink installations, Sky system faults, and mesh router setups with a speed that other providers struggle to match, often completing a job within hours of first contact.

    36 Pointon Glade, Grandview, Hamilton

    Call 027 889 0077 Map Is this your business?

More rankings

More services in Hamilton 12 links
Security System Installers elsewhere in New Zealand 4 links

Before you book a security system installer in Hamilton

Any business paid to fit alarms or security cameras in someone else's home or workplace needs a licence from the Private Security Personnel Licensing Authority, and its installers must wear a photo ID badge; the Authority's public register shows who holds one. If you are offered monitoring, ask how long the contract runs, what it costs to leave early, and which monitoring centre will answer your alarm.

The questions below are drawn from 223 customer reviews collected for this page.

What does a home alarm or camera system cost to install in NZ?

Published starting prices from NZ installers put a wireless home alarm at roughly $850 to $1,400 installed. Wired systems range from about $1,200 for mid-range up to $3,000 for premium setups.

Four cameras with a recorder run about $1,200 to $3,200, and eight 4K cameras can reach $3,500 to $5,500. Monitored systems add about $32 to $40 a month, with cable routes and roof access being what moves a camera quote up.

Does a security installer need a licence, and how do I check?

Under the Private Security Personnel and Private Investigators Act 2010, any business paid to install alarms or cameras on premises it does not own must hold a licence from the Private Security Personnel Licensing Authority (PSPLA), and each employee or contractor doing that work must hold a certificate of approval from the same body. The PSPLA runs a public register, accessible through the Ministry of Justice, where you can search any company or individual by name and confirm their licence class, expiry date, and whether any suspension or conditions apply.

On site, a licensed installer must produce their licence on request and wear a visible photo ID badge showing their unique number and the classes of work they are authorised to do. A homeowner fitting their own kit in their own home falls outside the Act, but any tradesperson you pay to do that work for you does not.

How do I choose between monitored and self-monitored, and wired and wireless?

Self-monitoring pushes alerts to your phone and works well if someone is usually nearby and can respond quickly, but a staffed monitoring centre matters most if you travel regularly, run a business, or keep high-value items on site. Wireless alarms install faster and with less disruption to walls and ceilings, making them a practical fit for most homes, while cameras and larger commercial sites benefit from cabled runs that are harder to cut or jam. Before committing to monitoring, ask which control room answers your alarm, where it is located, and what grade it holds, since the New Zealand Security Association recommends monitoring centres meet at least grade C3 under the relevant Australian standard.

What are the warning signs of a security installer you should avoid?
  • –No PSPLA licence number offered when asked, or no photo ID badge worn on site.
  • –A long-term monitoring contract with exit fees that were not explained clearly before you signed.
  • –Cameras positioned to cover a neighbour's property, windows, or doors, which the Office of the Privacy Commissioner advises against.
  • –Faults or false alarms reported after installation that the installer charges you again to investigate rather than fixing under warranty.
  • –Slow or no callbacks when the system stops working, leaving you without cover for days.
  • –A PPSR registration placed against your name after only a verbal quote, with no written agreement in place.
What should you ask before hiring a security installer?
  • –Ask for the company's PSPLA licence number and the certificate of approval number for the technician coming to your site, then check both on the PSPLA public register before work starts.
  • –Ask who operates the monitoring centre, where it is based, and what grade it holds.
  • –Ask exactly how long the monitoring contract runs and what it costs to exit early.
  • –Ask what the warranty covers, specifying both parts and labour, and how long it lasts.
  • –Ask who owns the footage and the app or cloud account if you switch providers later.
  • –Ask what a guard call-out costs and whether false alarm fees are charged to you or absorbed by the installer.
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About this ranking

What the 10 security system installers listed above hold, at the 6 November 2026 check.

205
reviews held by the #1 ranked business
33
reviews held by the #5 ranked business
4.4
lowest rating among the 10 listed
2.4%
of their 460 reviews are one-star
How are the top security system installers in Hamilton chosen?

We build this page from Google Maps results for security system installers in Hamilton. Each one is scored on its public rating and review record, using the same published method on every page. Businesses outside the area, or whose reviews describe a different line of work, are left out. Every category and city is rechecked on a rolling cycle, about every two to three months. See how we rank for how rankings are made and who is left out. On specialist pages like this one, a business's reviews count in proportion to how many of them are about security system installers, so a business mostly reviewed for other work cannot win on review volume alone. See the words we look for.

Are you a security system installer in Hamilton?

No business can pay for a place in these rankings. Claiming and verifying your listing is free: it adds a small trust bonus (+3 points) to your score, for confirming a real operator stands behind the listing, and gives you a dashboard showing how your score is made up. A paid subscription adds a website link, a profile page and your ranking history. Claim your listing or see what a subscription includes.

Not listed? The usual reasons are a Google Business category that does not match, too few reviews to score near the top, or an address outside the area we cover. Check where you rank first, and if you think we missed you, get in touch.

How far is each one from you?

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