Best Telecom Infrastructure Companies in Spain
The 61 best Telecom Infrastructure companies in Spain in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Cellnex Telecom.
Spain's Telecom Infrastructure sector has a clear funding story, and our directory of 61 tracked companies tells it bluntly: $661M in total disclosed equity, with Cellnex Telecom pulling $484M of that alone. That concentration matters. Strip out Cellnex and Skyway Towers' $130M, and the remaining 59 companies share under $50M combined. So the capital isn't spreading evenly, which is exactly what you'd expect in a tower-heavy market still consolidating around a handful of scaled operators.
The broader momentum signal is real, though. Median app install growth of +16% YoY across 1,382 telecom and energy infrastructure apps suggests demand is moving faster than funding rounds would imply. Towerco rollout dynamics are reshaping who captures that demand, and a manufacturing mindset argument is gaining traction as operators push for faster, more repeatable deployment cycles. I'd watch green infrastructure and EV power electronics as the themes most likely to attract the next tranche of non-Cellnex capital here. Active investors like DTCP, EIC Fund and Alhambra Venture are already circling. The question is whether mid-tier names like Ezentis ($32M) or Galgus ($7M) can build enough differentiation to pull serious checks their way.
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Ranked: Best Telecom Infrastructure companies in Spain
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cellnex Telecom Provider of telecom tower infrastructure and engineering services | $484M | 30 mo ago | Public | — | 2000 | — | — | — |
| 2 | Skyway Towers Broadband tower infrastructure provider for wireless carriers and government agencies | $130M | 29 mo ago | Acquired | — | 2005 | — | — | — |
| 3 | Ezentis Provider of infrastructure management, communication networks, and technology solutions | $32M | 65 mo ago | Public | Guillermo Fernandez Vidal Chairman & CEO | 1959 | WordPressMySQLPHP+19 | — | — |
| 4 | Galgus Provider of WiFi network infrastructure services | $7M | 49 mo ago | Series A | Jose Garrido Co-Founder & CEO | 2017 | WordPressMySQLPHP+30 | 10 patents Wi‑Fi device detection and airtime optimization for wireless LAN performance | — |
| 5 | Cellnex Operator of wireless telecommunications infrastructure | $4M | 30 mo ago | Public | Marco Patuano CEO | 2000 | WordPressMySQLPHP+29 | — | — |
| 6 | Seven Solutions Provider of wireless telecommunication infrastructures | $1M | 69 mo ago | Acquired | Akshay Jaiswal Co-Founder & CEO | 2005 | — | — | — |
| 7 | Anteral Developer of innovative antennas, passives, and radar technology for telecom infrastructures | $1M | 42 mo ago | Funding Raised | Itziar Maestrojuan Biurrun CEO | 2010 | WordPressMySQLPHP+31 | 3 patents Open-source adaptable radar electronics for flexible sensing and navigation systems | — |
| 8 | Onena Wholesale fiber-optic network services provider | $431K | 131 mo ago | Deadpooled | — | 2014 | — | — | — |
| 9 | Aragon Photonics Provider of optical and photonic test & measurement solutions for the optical communications and fiber optic… | $323K | 43 mo ago | Funding Raised | — | 2004 | WordPressPleskMySQL+19 | 20 patents Fiber-optic sensing and dual-comb interferometric spectroscopy for distributed vibration and spectrum analysis | 1 job opening · 1 launch |
Top 12 Telecom Infrastructure companies in Spain
#1
Public · Barcelona, Catalonia · founded 2000 · 3015 employees$483.8Mraised▾
In 2023, the company recorded annual revenues of $3.8B and a net loss of $0.31B.
- Jan 2024Grant (prize money)$43.1K
- 2018Post IPO$365.3M
- Dec 2017Conventional Debt$118.5M
#2
Acquired · Madrid, Community of Madrid · founded 2005 · 15 employees$130Mraised▾
Broadband tower infrastructure provider for wireless carriers and government agencies. It builds and develops broadband towers to assist wireless carriers and government entities in deploying next-generation wireless networks. It offers site location services, collocation programs, and build-to-suit programs. It manages site development based on customer needs, from search ring release to construction commencement. It partners with municipal governments to minimize community impact, generate revenue, enhance communication infrastructure, offload tower maintenance, and improve wireless coverage.
- Jan 2024Conventional Debt$200M
- Jul 2013Conventional Debt$15M
- Jan 2013PE$75M
- Jun 2011Conventional Debt$65M
#3
Public · Barcelona, Catalonia · founded 2000 · 101 employees$3.9Mraised▾
Operator of wireless telecommunications infrastructure. This business manages shared telecommunications sites to support mobile network connectivity. Services include the provision of broadcast infrastructure, data centers, and fiber networks. The company facilitates the deployment of small cells and distributed antenna systems to enhance signal coverage. It also provides critical network management for public safety and emergency communications. By maintaining shared infrastructure, the organization enables mobile operators to develop and expand their networks efficiently.
- Jan 2024Grant (prize money)$242.2K
- Jan 2023Grant (prize money)$100.6K
- Jan 2022Grant (prize money)$12.4K
- Sep 2020Grant (prize money)$2M
#4
Funding Raised · Pamplona, Navarre · founded 2010$1.2Mraised▾
Developer of innovative antennas, passives, and radar technology for telecom infrastructures
- Jan 2023Grant (prize money)$692.7K
- Jan 2019Grant (prize money)$148.8K
- Jun 2018Grant (prize money)$126.8K
- May 2017Grant (prize money)$55.8K
#5
Series A · Seville, Andalusia · founded 2017 · 72 employees$7.1Mraised▾
Provider of WiFi network infrastructure services
- May 2022Series A$4.2M
- Nov 2020Seed$2.9M
- Sep 2018Grant (prize money)$1.6M
#6
Public · Spain · founded 1959 · 1265 employees$32.4Mraised▾
Provider of infrastructure management, communication networks, and technology solutions. The company specializes in comprehensive installations, maintenance, and advanced technological applications. It delivers services related to communication networks. The business focuses on technological efficiency and intelligent transformation.
#7
Funding Raised · Zaragoza, Aragon · founded 2004$322.9Kraised▾
Aragon Photonics Labs is a company that specializes in Optical and Photonic Test & Measurement solutions for industries such as Optical Communications, Fiber Optic Sensing, and Solar Instrumentation. They offer advanced and versatile high-resolution optical spectrum analyzers called BOSA.
- Dec 2022Grant (prize money)$207.7K
- Nov 2018Grant (prize money)$56.9K
- Aug 2018Grant (prize money)$58.3K
#8
Acquired · Granada, Andalusia · founded 2005 · 20 employees$1.4Mraised▾
Provider of wireless telecommunication infrastructures
- Oct 2020Grant (prize money)$146.2K
- Jan 2017Grant (prize money)$163K
- Aug 2016Grant (prize money)$1.1M
#9
Deadpooled · Pamplona, Navarre · founded 2014 · 8 employees$431.4Kraised▾
Onena (Operator Neutral Navarra) is a neutral fiber optic (FTTH - fiber to the home) operator which focuses on developing network infrastructure and subsequently leases it to multiple telecom operators, enabling them to provide fast connectivity services to their end customers (companies and individuals). It aims to provide speeds greater than 100mbps in the Navarre region. It is currently in the middle of laying down the network.
- Jul 2015Seed$431.4K
#10
Acquired · Madrid, Community of Madrid · founded 1998 · 142 employees—raised▾
Provider of fiber optic connectivity services. This company offers dark fiber, colocation, and various connectivity solutions including Ethernet, internet, IP VPN, and cloud connect services. They build and maintain fiber optic networks, providing infrastructure for telecommunications companies and other businesses. The services are tailored to meet the needs of different sized companies. They also offer a range of support services.
#11
Acquired · Alcobendas, Community of Madrid · 67 employees—raised▾
Provider of television, fibre, mobile, and other telecommunication network infrastructures
#12
Series B · Cordoba, Andalusia · founded 1998 · 1450 employees—raised▾
Provider of comprehensive telecommunications services for operators. This includes engineering, installation, facility lifecycle management (FLM), radio frequency certification, and IT and cybersecurity services. They offer end-to-end solutions, supporting clients throughout the entire network deployment process, from site acquisition to ongoing maintenance and consulting. Services encompass fixed and mobile network infrastructure. The company's expertise lies in providing experienced professionals and highly qualified personnel to deliver these services.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Telecom Infrastructure coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
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.