S3 Systems is a firm of professional designers, qualified engineers and trained installers providing a diverse range of services to our clients.

S3 Systems has two main business areas – a comprehensive consultancy service in building services engineering and the design and installation of audio-visual systems, gate control systems and other high tech solutions.

Strategically based in the heart of South Wales , we provide our services to individual consumers, local government, schools/colleges/universities and commercial companies along the M4 corridor across Wales .

Our commitment is simple; design of engineering services that bring together quality and innovation for every project. We specialise in custom designed installations specific to our client's needs and budget and deliver integrated technological solutions with the highest quality of service.