THETA4SECURITY LIMITED – M4S SYSTEMS is an Irish security systems company specialising in the design, installation and maintenance of CCTV, intruder alarms and fire alarm systems for homes and businesses across Ireland. Our team combines long-standing industry experience with a modern, engineering-led approach to risk assessment and system design.
We focus on reliable technology, clear communication and responsive support. From small retail premises and apartment blocks to warehouses and multi-site portfolios, we tailor each security system to the specific risks, compliance requirements and day-to-day operations of our clients.
Our mission is to provide dependable, easy-to-use security solutions that protect people, property and business continuity, supported by fast response times, strong after-sales service and Fast support options where required.
We focus on reliable technology, clear communication and responsive support. From small retail premises and apartment blocks to warehouses and multi-site portfolios, we tailor each security system to the specific risks, compliance requirements and day-to-day operations of our clients.
Our mission is to provide dependable, easy-to-use security solutions that protect people, property and business continuity, supported by fast response times, strong after-sales service and Fast support options where required.
Behind every system we install is a multi-disciplinary team of security specialists. Our management team oversees project planning, health and safety, and quality control, ensuring that each installation is delivered on time and in line with agreed specifications.
Our security design engineers carry out on-site surveys, risk assessments and system design. They specify camera coverage, detector placement, signalling paths and integration between CCTV, intruder and fire alarm systems.
Certified installation technicians complete the on-site works, including cabling, device installation, testing and commissioning. They are trained on leading CCTV, alarm and fire detection platforms and work to relevant Irish and European standards.
Support and monitoring staff provide ongoing assistance, remote diagnostics and, where required, 24/7/365 monitoring services through approved monitoring partners.
Our security design engineers carry out on-site surveys, risk assessments and system design. They specify camera coverage, detector placement, signalling paths and integration between CCTV, intruder and fire alarm systems.
Certified installation technicians complete the on-site works, including cabling, device installation, testing and commissioning. They are trained on leading CCTV, alarm and fire detection platforms and work to relevant Irish and European standards.
Support and monitoring staff provide ongoing assistance, remote diagnostics and, where required, 24/7/365 monitoring services through approved monitoring partners.
What our technical team delivers
Security and life safety systems must be designed, installed and maintained in line with recognised standards. THETA4SECURITY – M4S SYSTEMS works with certified personnel, recognised industry bodies and proven equipment brands to deliver compliant, reliable solutions.
The summary below outlines typical certifications, memberships and technology partners associated with our CCTV, intruder alarm and fire alarm projects. Specific approvals and product sets used on your project will be confirmed during the survey and design phase.
The summary below outlines typical certifications, memberships and technology partners associated with our CCTV, intruder alarm and fire alarm projects. Specific approvals and product sets used on your project will be confirmed during the survey and design phase.
Typical certifications and brands we work with
| Certification / Partner | Area | Notes |
|---|---|---|
| Private Security Authority (PSA) | CCTV & intruder alarms | Licensing and regulation for installers and monitoring services in Ireland. |
| NSAI / EN Standards | Intruder & fire systems | Installation and maintenance carried out in line with relevant Irish and European standards. |
| Monitoring Centre Partners | 24/7 monitoring | Connection to an approved Alarm Receiving Centre for keyholder and Gardaí dispatch where applicable. |
| Leading CCTV Brands | CCTV cameras & recorders | IP and hybrid solutions from established manufacturers chosen for reliability and image quality. |
| Intruder Alarm Platforms | Control panels & signalling | Expandable panels with secure signalling paths, app control options and integration with CCTV. |
| Fire Detection Systems | Fire detection & evacuation | Conventional and addressable fire alarm equipment selected to match the building type and risk profile. |
Every project begins with a discussion about your site, risks and insurance or compliance requirements. We typically carry out a detailed site survey, reviewing existing systems, access points, vulnerable areas and how the building is used day to day.
Based on this assessment, we design a security or fire alarm solution that may include CCTV, intruder detection, access control and fire detection. You receive a clear, itemised quotation and, once approved, we agree installation dates that minimise disruption to your business or household.
Our installation team then completes the works, tests and commissions the system, and provides user training for all key personnel. After handover, we offer maintenance plans and, where required, 24/7/365 monitoring and remote support to ensure your system continues to perform as designed.
Based on this assessment, we design a security or fire alarm solution that may include CCTV, intruder detection, access control and fire detection. You receive a clear, itemised quotation and, once approved, we agree installation dates that minimise disruption to your business or household.
Our installation team then completes the works, tests and commissions the system, and provides user training for all key personnel. After handover, we offer maintenance plans and, where required, 24/7/365 monitoring and remote support to ensure your system continues to perform as designed.
Further reading from our Blog
The projects below highlight how THETA4SECURITY – M4S SYSTEMS applies CCTV, intruder alarm and fire alarm solutions to real-world sites. Details are representative to protect client confidentiality, but the challenges and approaches reflect the work we carry out across Ireland.
Recent CCTV, intruder and fire projects
Client testimonials & feedback
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Whether you need a new CCTV, intruder or fire alarm system, or want an expert review of your existing installation, we can help. We provide surveys and quotations for residential, commercial and industrial properties across Ireland.
Complete the form below and our team will contact you to discuss your requirements, arrange a site visit if needed and provide clear pricing. Your details are used only to respond to your enquiry and are handled in line with our data privacy practices.
Complete the form below and our team will contact you to discuss your requirements, arrange a site visit if needed and provide clear pricing. Your details are used only to respond to your enquiry and are handled in line with our data privacy practices.
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Prefer to contact us directly?
If you would rather speak to someone now, you can contact our team using the details below:
Phone: +353 1 9081339
Email: help@t4s.ltd
For more ways to get in touch, including emergency and 24/7 support information, please visit our dedicated Contact & Quotes page.
Go to Contact & Quotes
Phone: +353 1 9081339
Email: help@t4s.ltd
For more ways to get in touch, including emergency and 24/7 support information, please visit our dedicated Contact & Quotes page.
Go to Contact & Quotes