About Us

Theta4security Limited. T/A: M4S Systems is a Full Service & Installation Company which is dedicated to providing Professional Electronic Security & Surveillance Solutions to Commercial, Industrial & Domestic Clients which we tailor to each Individual requirement.

We commenced business in early 2024 by unifying the Experience and long term Industry knowledge of a number of long established single owner existing Operations.

We can bring a combined total of 120 Plus years Technical Systems knowledge & experience to all Projects.

Providing Professional Electronic Security & Surveillance Solutions to Commercial, Industrial & Domestic Clients.

Fire Detection

Intruder Detection

CCTV Surveillance

Electronic Access

Perimeter Detection

Maintenance

Contact Us

To speak with a security expert, Please contact us by phone +353 1 9081339 or fill-out the form below and one of our experts will contact you asap.

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Theta4security Limited. T/A: M4S Systems.

Phone: +353 1 9081339

P.S.A. Licence Number:

Tax Registration Number: IE4268328UH 
C.R.O. Number: 759943

Registered & Trading Office Address:
Unit.4. First Floor,
84 Strand Street,
Skerries, Co.Dublin. Ireland.