Best Telecom Companies in Dublin, Ireland
The 73 best Telecom companies in Dublin, Ireland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SIRO.
Our analysis of 100 Telecom companies
$83.4b in tracked funding; 91% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Telecom companies in Dublin
| # | Company | Last round | Disclosed funding | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Actavo System integration services provider | — | — | 2,000 | — | ExpressionEngineApple iCloud MailMicrosoft 365+16 | Top 5M | — | — |
| 2 | Airfibre Business wireless internet service provider | — | — | — | John Earley Chairman & CEO | — | — | — | — |
| 3 | Airspeed Business communication services provider | — | — | 35 | — | — | — | — | — |
| 4 | Altion OSS products and services provider | — | — | 4 | Magnus O'Driscoll Managing Director | — | — | — | — |
| 5 | Aurora Telecom Retailer of home and industrial sewing machines and related equipment | — | — | — | Mike Quinn CEO | — | — | — | — |
| 6 | Bitbuzz Public Wi-Fi operator in Ireland and UK | — | — | 21 | — | — | — | — | — |
| 7 | BlueRockTEL SaaS-based platform providing telephony billing solutions | — | — | 4 | — | — | — | — | — |
| 8 | BP Multipage Provider of communications & messaging solutions | — | — | 12 | — | — | — | — | — |
Top 12 Telecom companies in Dublin
#1
Seed · Dublin, County Dublin · founded 2011 · 18 employees$4.8Mraised▾
Provider of optical networking transmission solutions and diode lasers. The platform develops and licenses comb source laser solutions for the communication and IoT industry. Its patented product is optical comb source subsystems. It claims that the features of its products are highly stable, low line-width, phase-matched wavelength combs. These products are suitable for multicarrier optical transmission systems.
- Mar 2024Grant (prize money)$2.7M
- Mar 2022Seed$2.4M
- Sep 2020Grant (prize money)—
- Jan 2020Grant (prize money)$1.9M
#2
Acquired · Dublin, Leinster · founded 1991 · 310 employees$52Mraised▾
Connectivity, voice and data center solutions provider
#3
Funding Raised · Dublin, Leinster · founded 2015 · 150 employees$1.1Braised▾
Provider of 100% fibre-optic broadband network infrastructure. It builds and operates a fibre-to-the-building network, offering high-speed internet access to residential, business, and institutional customers. The network utilizes existing infrastructure to minimize environmental impact and provides reliable, high-bandwidth connectivity. Services are offered directly and through a network of broadband partners.
- Nov 2021Conventional Debt$143M
- Nov 2021Conventional Debt$715.8M
- Jul 2019Conventional Debt$222.8M
#4
Late Stage · Dublin, Leinster · founded 2005$352.8Mraised▾
QucomHaps provides voice, data and digital broadcast services through its HAPS (High Altitude Platform Stations) platform to telecom operators, internet service providers, digital broadcasters, and enterprises. Its services include mobile cellular (mobile telephony access networks, switching, backhaul, and interconnect), mobile broadband internet (mobile wireless broadband internet access networks, routing and interconnection with existing internet PoPs), digital broadcasting (enables delivery of large-scale digital TV/radio and video content/channels), and earth observation and emergency telecommunications (provides data acquisition and delivery - for mapping, monitoring, control and emergency responses). It operates 24/7 with the help of M55 aircraft, which makes long-term flights in the stratosphere at an altitude of up to 20 km and provides permanent wireless connectivity.
- Dec 2007PE$352.8M
#5
Series C · Dublin, Leinster · founded 1999 · 200 employees$83.8Mraised▾
Intune Networks develops optical Ethernet switch fabrics for switching packets over long distances. The technology uses tuneable LASERs to switch packets using the OBS (Optical Burst Switching) standard and a distributed system that virtualises connectivity at layers 0-2 reducing the number of network components and creating a pool of non-blocking connectivity that is available to any port. Entered receivership and bankruptcy in January 2014.
- Nov 2011Series C$23.6M
- May 2011Series C$3.6M
- Mar 2011Grant (prize money)$279K
- Jul 2010Series B$3.7M
#6
Acquired · Dublin, Leinster · founded 1999 · 580 employees$61.5Mraised▾
Openet Telecom provides cloud-based digital services to service providers. It enables users to control, and monetize in the usage of services and network resources. Its product portfolio includes a digital business platform-an end to end solution for digital OSS/BSS and network functions, cloud-based 5G technology, data fabric- which collects and manages real-time data, monetization & control- which provides policy, charging, and mediation solutions. It also provides consulting services. Its clientele includes Austria, BT, Orange, Telia, Bell, and others.
- Jun 2012Series D$16M
- Jun 2012Conventional Debt$5M
- Feb 2010Series C$10.5M
- Nov 2002Series C$15M
#7
Acquired · Dublin, Leinster · founded 2011 · 2 employees$75Mraised▾
Provider of subsea connectivity solutions and high-speed networks. It offers managed capacity services, spectrum, and dark fiber to content, cloud, and carrier markets. These services are delivered through a portfolio of owned and operated subsea cable systems. The company designs and operates these systems, providing clients with reliable and secure connectivity. It also invests in sustainable subsea infrastructure, focusing on renewable energy sources for its landing stations.
- Oct 2016PE$25M
- May 2016PE$50M
#8
Deadpooled · Dublin, Leinster · founded 2012$3.2Mraised▾
Provider of internet and telecommunications services
- Sep 2019Angel$87.2K
- Jan 2017Seed$3.1M
#9
Series A · Dublin, Leinster · founded 2018$4.7Mraised▾
Paradyn is a provider of managed connectivity services. Paradyn is the amalgamation of Irish Telecom, Netforce, and Exigent Networks. Offers infrastructure services, MSP, and security services. Infrastructure services offered include network, server/storage, desktop, security, wireless, telephony, maintenance, remote monitoring & management. Also provides managed internet access, managed WAN, SDWAN, SIP Trunks, cloud access, managed infrastructure, service desk, managed security, flexible computing, managed email, infrastructure security, managed security, security software, and compliance. Partners include Cisco, Dell, Microsoft, SonicWall, ShoreTel, VMware, Veeam, Nutanix, Ceragon, etc. GlaxoSmithKline, Louth County Council, Waterford County Council, etc are few.
- 2018Series A$4.7M
#10
Deadpooled · Dublin, Leinster · founded 2008 · 11 employees$3.8Mraised▾
Socowave provides a hardware plus software platform based on the Active Antenna System (AAS) technology to improve RAN spectrum efficiency. Its solution allows athe cellular base station to detect the direction of incoming signals from user groups and to actively optimise the radio and reduces network densification (radio sites per unit area). Claims to increase wireless data handling capacity five-fold, while reducing the energy consumption of the overall base station system by 50 per cent. The company went out of business in 2015.
- Sep 2010Series A$3.8M
#11
Acquired · Dublin, Leinster · founded 2010 · 100 employees$2.1Mraised▾
Brite:Bill provides a platform that creates interaction with customers by providing them usuage analytics,pre-empting questions, tackling issues and highlighting appropriate new services with dynamic bill presentation design features through their App and dashboard reports for consumers and corporate customers respectively. It helps service providers to decrease churn,deliver targeted marketing and Present unified information on one bill under one brand.Brite:Bill was named a "Cool Vendor" by Gartner Inc. for 2014 and won ISA “Emerging Company of the Year”. Their client base include Vodafone, Eir, Rogers communications, Sprint and Tele2. Brite:Bill has offices in London, Madrid, Toronto, Kansas City and San Francisco.
- Dec 2010Series A$1.6M
- May 2010Seed$494.2K
#12
Series A · Dublin, Leinster · founded 2002$2.2Mraised▾
Pure Telecom provides fiber-optic based broadband and phone services to the residential as well as business customers. It has nationwide coverage and offers both bundled (broadband + telephone) as well as standalone packages. The user can choose to have unlimited calls add-ons to their existing packs. Also provides high-speed internet services at premium prices.
- Aug 2015Series A$2.2M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Telecom coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding flat · growth flat
How research on 5G 6G in Dublin is moving
A read on the academic research around 5G 6G in Dublin — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 127 papers.
- University College Dublin69
- Trinity College Dublin45
- Technological University Dublin9
- Dublin City University6
- Dublin Institute For Advanced Studies6
- MIMO1→23
- Beamforming2→21
- Mathematical optimization1→4
- Telecommunications link2→4
- Beamforming1→24
- Telecommunications1→10
- MIMO1→9
- Electronic engineering1→7
- Antenna (radio)1→5
- Beamforming5
- Tilt (camera)2
- Antenna (radio)2
- MIMO2
- Radar2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.