SIGMA WIRELESS COMMUNICATIONS LIMITED

Sigma Wireless Communications is an Irish-owned specialist in mission-critical communications, delivering end-to-end solutions for over three decades. Drawing on deep expertise in systems integration, network design, engineering and customer service, the company provides turnkey products and services that keep essential operations running smoothly - from public-safety radio networks to private 4G/LTE and 5G mobile infrastructures.

The firm's portfolio spans a wide range of sectors, including aviation, maritime, data-centres, healthcare, fire services, defence, mining, oil and gas, police, utilities, rail, manufacturing and tunnel projects. Through strong partnerships with global technology providers, Sigma Wireless offers both hardware and software solutions such as TETRA systems, bespoke data-communication platforms and secure wireless networks. All work is performed to the highest international standards, with ISO 9001, ISO 14001 and ISO 27001 certifications underpinning its quality, environmental and information-security commitments.

Following its acquisition by Day Wireless Systems in April 2025, Sigma Wireless now benefits from an expanded global footprint while continuing to serve clients across Ireland and the wider international market, reinforcing its reputation as a reliable partner for critical communication needs.