Best Telecom Companies in Ireland
The 128 best Telecom companies in Ireland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SIRO.
Ireland's Telecom sector, ranked here by disclosed equity funding and recent funding momentum, is a $1.8 billion story spread across 128 tracked companies. No unicorns yet, but the capital concentration is real. Siro alone accounts for $1.1 billion of that total, a figure that dwarfs every other filer in the directory. QucomHaps follows at $353 million, Intune Networks at $84 million, Viatel at $52 million. So when you're sizing up this market, you're looking at a handful of outsized bets pulling the aggregate weight. The [global telecom market sits at roughly $37.8 billion in 2025, growing at 6.8% CAGR](https://tbri.com/telecom-competitive-intelligence/), and Ireland's funding stack reflects that same gravity toward infrastructure plays over pure software.
What I find telling is where the heat actually is. Traditional coverage metrics are flat, but satellite telecommunication, LEO communication satellites, and satellite transponders are the themes drawing real attention right now, which tracks with new entrants pushing balloon-based telecom infrastructure into the mix globally. App-layer momentum backs this up: median install growth across telecom apps runs at plus 16% year-on-year across 1,377 tracked applications. Enterprise Ireland and Kernel Capital are the most active backers in this directory, which tells you something about where patient, infrastructure-grade capital is coming from. The smaller tickets, Klearcom at $2 million and Pilot Photonics at $5 million, are the ones worth watching for early signal.
- U.S. Telecom Market Projected to Surge Between 2025-2029, Led by AT&T,
- Telecom Market Research Reports – TBR
- Telecom news: API market, Azercell, Nova Scotia’s rural connectivity
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 Ireland
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIRO Provider of 100% fibre-optic broadband network infrastructure | $1.1B | 55 mo ago | 150 | — | WordPressMySQLPHP+19 | Top 5M | — | 2 awards |
| 2 | QucomHaps Wireless network services using aircraft as a connectivity medium | $353M | 222 mo ago | — | Billy Harkin Founder & CEO | — | — | — | — |
| 3 | Intune Networks Telecom switching design | $84M | 175 mo ago | 200 | — | — | — | 43 patents Dynamic control and optimization of optical burst switching and wavelength-tuned networks. | — |
| 4 | Aqua Comms Provider of subsea connectivity solutions and high-speed networks | $75M | 116 mo ago | 2 | — | WebflowSalesforceMicrosoft Advertising+12 | Top 50M | — | — |
| 5 | Openet Cloud-based digital services platform | $62M | 168 mo ago | 580 | — | — | — | — | — |
| 6 | Viatel Connectivity, voice and data center solutions provider | $52M | 30 mo ago | 310 | Paul Rellis Group CEO | WordPressMySQLPHP+22 | Top 5M | — | 1 award |
| 7 | Digiweb Ireland Broadband, telephone and satellite provider | $34M | 141 mo ago | 120 | — | Cart FunctionalityWooCommerceWordPress+31 | Top 5M | — | 1 job opening |
| 8 | Altobridge Patented RAN satellite solution | $20M | 159 mo ago | 81 | — | — | — | 19 patents Improving mobile network bandwidth, base‑station multiplexing, and roaming communications. | — |
| 9 | Firecomms Manufacturer of optical networking equipment for smart grids | $17M | 209 mo ago | 51 | — | YouTubeBootstrapAmazon Web Services+25 | Top 10M | 81 patents High‑performance optical receiver front‑end components and low‑noise transimpedance amplifiers | — |
| 10 | Obelisk Provider of telecoms and renewable energy infrastructure solutions | $7M | 121 mo ago | 6 | — | WebflowTypekitGoogle Font API+14 | Top 10M | — | 2 awards |
| 11 | Pilot Photonics Provider of optical networking transmission solutions and diode lasers | $5M | 26 mo ago | 18 | Frank Smyth Co-Founder and CTO | WordPressMySQLPHP+22 | Top 50M | 17 patents Integrated photonic devices for tunable frequency‑comb spectroscopy and ring‑resonator IQ modulation | 1 partnership |
| 12 | Paradyn Provider of managed connectivity services | $5M | 96 mo ago | — | Cillian McCarthy CEO | WordPressPleskApple iCloud Mail+22 | Top 50M | — | — |
| 13 | Socowave Active antenna technology to improve spectrum efficiency | $4M | 189 mo ago | 11 | Joe Moore ex-CEO | — | — | 56 patents Patents concentrated in electrical & electronics | — |
| 14 | Travelwin Provider of internet and telecommunications services | $3M | 80 mo ago | — | Avril Whelan Co-Founder | — | — | — | — |
| 15 | Klearcom Provider of cloud based voice and messaging services | $2M | 7 mo ago | 23 | Satish Barot Co-Founder & CTO | HubSpot CMS HubFacebook LoginLinkedin Sign-in+24 | Top 10M | — | 1 job opening |
| 16 | SRS Provider of an open-source SDR technology for telecommunication industry | $2M | 65 mo ago | — | Paul Sutton Founder | WordPress Block EditorElementorWordPress+23 | Top 10M | — | — |
| 17 | Pure Telecom Fiber-optic based broadband and phone services provider | $2M | 130 mo ago | — | Paul Connell CEO | OpenCartMySQLPHP+24 | Top 5M | — | — |
| 18 | Brite Bill Personalized billing communication. | $2M | 186 mo ago | 100 | Alan Coleman CEO | — | — | 12 patents Patents concentrated in computing, sensing & instrumentation | — |
| 19 | Equiendo RAN capacity management solutions | $2M | 205 mo ago | 12 | Cyril Murphy CEO | — | — | — | — |
| 20 | Cicero Networks VoIP and Fixed Mobile Convergence solutions for the carrier market | $2M | 212 mo ago | 11 | — | — | — | — | — |
| 21 | Xintec Fraud detection and revenue assurance | $1M | 168 mo ago | 28 | — | — | — | — | — |
| 22 | Benetel Hardware platform solutions for 4G LTE eNodeB Small Cells | $828K | 130 mo ago | 43 | — | WordPressMySQLPHP+19 | Top 10M | — | — |
| 23 | Taoglas Manufacturer of antennas, advanced IoT components, and custom design services | $679K | 112 mo ago | 500 | Rose Murphy Founder | Cart FunctionalityWooCommerceWordPress+32 | Top 5M | 280 patents Miniaturized, flexible RF and mmWave antennas with water‑resistant integration for IoT devices | 1 partnership |
| 24 | Agile Networks Provider of local radio broadcasting and community news | $105K | 172 mo ago | 18 | — | — | — | — | — |
Top 12 Telecom companies in Ireland
#1
Seed · Waterford, Munster · founded 2018 · 23 employees$2.5Mraised▾
Provider of cloud based voice and messaging services
- Nov 2025Seed—
- Mar 2023Seed$1.6M
- Dec 2021Seed$901.4K
#2
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
#3
Acquired · Dublin, Leinster · founded 1991 · 310 employees$52Mraised▾
Connectivity, voice and data center solutions provider
#4
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
#5
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
#6
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
#7
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
#8
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
#9
Series A · Dundalk, County Louth · founded 1997 · 120 employees$34.4Mraised▾
Broadband, telephone and satellite provider
#10
Acqui-Hired · Tralee, County Kerry · founded 2002 · 81 employees$19.8Mraised▾
Patented RAN satellite solution. The platform provides wireless network solutions that reduce capital and operating cost for the delivery of voice and mobile broadband services. The company is a 2G or 3G satellite backhauled, solar-powered BSS or RAN solution. It uses a sectioned antenna pole that optimizes satellite backhaul and minimizes power consumption. Data-at-the-Edge is a mobile data optimization solution for rural and urban markets.
- Feb 2013Series C$7.8M
- Mar 2011Series C$12M
#11
Acquired · Cork, Munster · founded 2000 · 51 employees$17.4Mraised▾
Manufacturer of optical networking equipment for smart grids. The product offerings include fiber-optic transceivers, such as transceivers, media converters, cables and plugs, accessories, plugged or plugless connectors, and more. It offers solutions to manage and optimize grid load factors to manage electricity demand and supply.
- Jan 2009Series A$5M
- May 2005Series A$12.4M
#12
Acquired · Cork, Munster · founded 2014$2.3Mraised▾
Provider of an open-source SDR technology for telecommunication industry. Its product portfolio includes a mobile wireless SDR, full-stack software radio user equipment, SRS embedded UE, full-stack software radio eNodeB, SRS embedded ENB, performance analytic, testing tool, and radio air interface analyzer solution. It also offers services such as R&D, prototyping, deployment, and maintenance.
- Jan 2021Grant (prize money)$878.4K
- Jul 2018Grant (prize money)$688.2K
- Jan 2018Grant (prize money)$709.4K
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 Networks is moving in Ireland
A read on the academic research around 5G / 6G Networks — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 215 Ireland-affiliated papers.
- University College Dublin69
- Trinity College Dublin45
- National University of Ireland, Maynooth33
- Nokia17
- University College Cork11
- Beamforming13→34
- MIMO4→24
- Electronic engineering1→16
- Antenna (radio)2→11
- Beamforming15→29
- Telecommunications link4→13
- Telecommunications2→10
- Electronic engineering3→10
- MIMO8→13
- Beamforming7
- MIMO3
- Radar3
- Telecommunications3
- Electronic engineering3
Where 5g 6g is researched across Ireland
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.