Home security installers, monitoring & response
Find equipment suppliers and professional installers separately from companies that watch alarm signals around the clock. Filter the directory for the United Kingdom, United States, Canada, Australia or Ireland.
Browse the dedicated country directories
Choose a local provider comparison or go directly to companies offering professional alarm monitoring and a defined escalation process.
Equipment, installation & approved-company finders
These are official accreditation, licensing or industry-member searches plus selected national or regional installation services. Membership is a useful screening step, not a substitute for checking the exact approval scope, insurance, warranty and local licence.
NSI Company Finder
Search more than 2,000 NSI-approved security and fire-safety companies and check the services covered by each approval.
- Best for: locally approved alarm, CCTV and access-control installers
- Check: approval grade and scope for your required system
SSAIB Supplier Search
Search registered companies by service, region and postcode, including Republic of Ireland suppliers.
- Best for: comparing certificated local providers
- Check: the specific product and service sector listed
Electronic Security Association
National trade association for electronic security and life-safety professionals, with state associations and member resources.
- Best for: finding established security professionals
- Check: state licence and local permit requirements
CANASA Member Directory
Search Canadian Security Association members by province, city, postal code and service category.
- Best for: qualified local installation and service companies
- Check: province coverage and ULC requirements where relevant
ASIAL Member Directory
Search the Australian Security Industry Association directory by company and state.
- Best for: licensed installers, monitoring and security services
- Check: state licence and the monitoring centre grade
Private Security Authority
Ireland’s statutory regulator provides a contractor register for checking licensed security providers.
- Best for: confirming an alarm, CCTV or access-control contractor licence
- Check: the licence is current and covers the proposed work
Jim’s Security
Large network of licensed installers offering CCTV, alarms, intercoms and optional back-to-base monitoring.
- Installation: professional, locally delivered
- Coverage: verify technician availability by postcode
RAC Security
Custom alarm, CCTV and complete security packages with professional installation in Perth Metro and Mandurah.
- Installation: professional consultation and fit
- Coverage: Perth Metro and Mandurah
24/7 monitoring & organised response
The providers below publicly describe professional monitoring. The response label states the strongest action clearly supported by the provider’s own current information; availability can still vary by package and address. Directory information last checked: 1 September 2026.
ADT UK
Professionally installed systems monitored 24/7/365 by a UK alarm receiving centre.
- Response: keyholder, police-response or private-security options
- Verify: package eligibility, URN and confirmation requirements
Verisure UK
Professionally installed alarms connected to a 24/7 Alarm Receiving Centre with event verification.
- Response: keyholder contact, guard dispatch or emergency-service request when appropriate
- Verify: guard availability and plan terms at your postcode
ADT US
Professionally installed home-security systems with around-the-clock ADT Pro Monitoring.
- Response: agents verify alarms and can alert emergency services
- Verify: equipment, contract and local permit terms
Vivint
Professionally installed smart-home security with an in-house 24/7 monitoring team.
- Response: alarm assessment and first-responder dispatch when needed
- Verify: service availability, finance and contract terms
SimpliSafe
DIY or assisted-install equipment with optional professional monitoring plans.
- Response: plan-dependent alarm verification and emergency-service contact
- Verify: which monitoring tier includes the response features you need
TELUS SmartHome+ Security
Professionally monitored smart security, with professional or supported self-install options.
- Response: trained monitoring plus Guard Response described for eligible service
- Verify: address coverage, guard availability and plan
SecurTek
SaskTel division offering professionally installed, round-the-clock monitored home-security bundles through its dealer network.
- Response: monitoring station follows the customer’s response plan
- Verify: local dealer coverage and escalation procedure
ADT Security Australia
Monitored and installed systems supported by an Australian Grade A1 monitoring centre.
- Response: contact you, emergency contacts or authorities; live-video talk-down on eligible systems
- Verify: selected package and dispatch procedure
RAC Alarm Monitoring
24/7 monitoring from an Australian Grade A1 centre for compatible home alarm systems.
- Response: certified operator follows the nominated response plan
- Coverage: confirm eligibility; installation service is Perth and Mandurah
PhoneWatch
Professionally installed alarms monitored 24/7 from its Dublin Alarm Receiving Centre.
- Response: operators verify the alert and contact appropriate emergency services if required
- Verify: response process and current package terms
HomeSecure
PSA-licensed installation with in-house 24/7 monitoring based in Dublin.
- Response: trained monitoring agent and escalation of verified intrusion to emergency services
- Verify: dual-verification and Garda response conditions
Four questions to ask before you buy
How this directory is built
Listings are selected for usefulness, geographic coverage and a verifiable official service page. Inclusion is not an endorsement or paid ranking. We describe only the response actions supported by current first-party information and deliberately avoid calling notification-only products “response services.”
- Always obtain a written site-specific quote and response procedure.
- Check installer licences, certification scope and local permits independently.
- Services and response policies can change; use the official link to confirm current availability.
Research reviewed: 31 August 2026. No affiliate links are used on this directory.
Planning gates or access control?
Read the security gate and access-control guide before requesting quotes, especially for powered gates and emergency-release design.
Need emergency security work?
Read how to secure a damaged door or window after a break-in before arranging boarding, locks, glazing or alarm repairs.
Check directory claims independently
Use the smart-alarm standards guide and monitoring evidence checklist before contacting providers.
Help keep the directory useful
Listings are unclaimed unless stated otherwise. Choose the appropriate route below and our team will review the supporting evidence before making changes.
Include the company name, relevant country page and an official source where possible. Do not send alarm codes, passwords or household security details.