Empowering Ireland’s Connected Future
5G & IoT Solutions for Smart Cities and Ambitious Enterprises
About Celtic Wave Communications
As an Irish-owned and operated company in the heart of Dublin, Celtic Wave Communications is redefining what connectivity means for businesses, cities, and communities across Ireland. Since our founding in 2018, we have championed the seamless integration of next-generation wireless technologies, making 5G and IoT accessible, secure, and innovative for everyone from local authorities to forward-thinking enterprises.
Our journey began with a vision: to empower Irish society through robust, intelligent, and sustainable networks. Today, we are recognised for delivering award-winning network optimisation, embracing green technology, and collaborating closely with both established leaders and ambitious start-ups. Every project we undertake is driven by our core values: integrity, technical excellence, and a commitment to a smarter, greener Ireland.
Our Core Services
5G Network Deployment
Our expert engineers design, deploy, and maintain resilient 5G wireless networks tailored for your community or enterprise. We handle everything—from site surveys and permitting to deployment and ongoing optimisation—so you can seamlessly embrace the future of connectivity.
IoT Solutions
Celtic Wave delivers scalable IoT platforms that connect homes, buildings, and entire cities. Our solutions enable real-time data collection, monitoring, and automation—empowering Irish councils, businesses, and residents to make informed decisions, reduce costs, and enhance quality of life.
Connectivity Consulting
Our consulting team partners with clients to design, upgrade, and optimise wireless connectivity strategies. We assess your current infrastructure, recommend improvements, ensure regulatory compliance, and support you throughout implementation for maximum performance and ROI.
Smart City Enablement
Celtic Wave integrates 5G with public transport, utilities, and urban infrastructure to create intelligent, responsive city environments. Improve safety, energy efficiency, and accessibility while future-proofing public services for all citizens.
Network Optimization & Maintenance
We keep your wireless networks performing at their peak. Our team provides proactive health-checks, 24/7 monitoring, and rapid-response on-site support—maximising uptime and ensuring your connectivity remains robust and secure.
Why Choose Celtic Wave?
Scalable for Every Size
Our modular network architecture flexibly scales from village-wide pilots to full national implementations, supporting your growth at every stage.
Eco-Conscious Engineering
We build with the environment at heart—from energy-efficient hardware to offering options for solar-powered 5G sites, in full alignment with Ireland’s sustainability targets.
Enterprise-Grade Security
Celtic Wave implements robust encryption, multi-layer authentication, and up-to-date compliance to protect critical data for public sector and large enterprises alike.
Irish Support, Global Reach
Our Dublin support centre offers expert assistance, while our European partner network ensures smooth rollout, support, and best practices wherever you grow.
Seamless Integration
With ready-to-connect APIs and tailored onboarding, we make it easy to plug our solutions into your existing apps, IoT fleets, and cloud systems.
Trusted by Leading Innovators
Dublin City Council
“Celtic Wave delivered a world-class network upgrade for our Smart City pilot. Their technical expertise and attention to detail exceeded our expectations.”
GreenGrid Solutions
“We needed a partner who truly understood IoT for city-wide energy monitoring. Celtic Wave’s team integrated seamlessly with our operations—highly recommended.”
TechBridge Ventures
“Their consulting enabled our scale-up — reliable support, clear ROI, and a collaborative mindset. The best in the business.”
UrbanSpace Analytics
“We partnered with Celtic Wave for a complex city data integration and were impressed by their technical knowledge—transparent, pragmatic, and always supportive.”
Byrne Agricultural Solutions
“The reliability of the networks Celtic Wave built on our rural sites is unmatched. Connectivity has improved farm operations dramatically. Highly dependable team.”
Loop Smart Mobility
“Celtic Wave’s IoT expertise empowered us to roll out electric vehicle sensors across Dublin—seamless deployment and insightful analytics.”
Insight Health Devices
“Working with Celtic Wave ensured our healthcare devices remained connected and secure during busy hospital pilot programmes.”
Duffy Construction
“From planning to maintenance, Celtic Wave was there every step. Our infrastructure projects now benefit from real-time site monitoring and reliable coverage.”
Ardan Technology
“A professional partner, always ready to adapt solutions to our requirements. Fast responses and genuine investment in our success.”
Meet Our Team
Seán Gallagher
Chief Executive Officer
Visionary founder with over 15 years transforming the Irish telecom landscape. Seán is passionate about building sustainable connectivity and driving Ireland’s smart city initiatives forward.
Gráinne Ní Mháille
Chief Technology Officer
Gráinne is an expert in wireless systems and IoT architecture, championing agile delivery and technical excellence at Celtic Wave. She leads complex projects with creativity and innovation.
Emeka Okoye
Head of Network Operations
Ensures uptime and reliability across all network projects. Emeka is known for his rapid-response fieldwork, technical mastery, and unwavering customer focus.
Let’s Connect with Celtic Wave
Ready for next-level connectivity? Reach out for project consultations, support requests, or to discover how we can elevate your business and community through advanced wireless technology.
3rd Floor, Dublin, Leinster,
D02 YN55, Ireland
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