Reintel

Reintel is an infrastructure company in Madrid, Spain, founded in 1997. It has raised $1.1B across 1 round, most recently a $1.1B Growth Equity in December 2021.

The largest dark fibre operator in Spain

Headquarters
Madrid
Employees
11–50
Founded
1997
Business Model
B2B
Website
reintel.es
Total Funding
$1.1B
Last Round
$1.1B Growth EquityDec 2021
Rounds
1

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 1 funding round and 1 investor for this company. The full record is or through the API.

About

Reintel is Spain's largest neutral operator of dark fiber optic infrastructure, managing telecommunications networks across the country's electricity grid and railway corridors for over 30 years. Part of the Redeia group, Reintel offers backbone network leasing, dedicated cable solutions, and housing facilities to telecommunications operators and enterprises seeking long-distance connectivity across Spain.

Summary

It lists 11–50 employees. It has raised $1.1B in total across 1 round, most recently a $1.1B Growth Equity round in Dec 2021. Investors include KKR.

Tech & App Stack

2 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Data from Indexed.vcUpdated
Growth EquityGrowth EquityDec 2021
$1.1B

Investors

Similar Companies

Reliance Jio

India's largest telecom network and digital services provider, offering 5G, broadband, and mobile...

Mumbai, India10001+Infrastructure, Telecommunications
Corporate RoundTotal funding$10.0BJun 2020
Cologix

Network-neutral interconnection and hyperscale edge data center operator providing colocation, co...

Denver, United States201–500Infrastructure, Telecommunications
Private EquityTotal funding$4.3BOct 2024
euNetworks

Western European bandwidth infrastructure provider offering fibre-based connectivity and dark fib...

London, United Kingdom201–500Telecommunications, Infrastructure
Private EquityTotal funding$2.3BAug 2024
Vertical Bridge

Largest private owner and operator of wireless communications infrastructure in the US, with 18,0...

Boca Raton, United States501–1000Infrastructure, Real Estate
Private EquityTotal funding$2.3BApr 2026
GlobalConnect

GlobalConnect operates a Nordic digital infrastructure platform and fiber network, investing in s...

Copenhagen, Denmark1001–5000Infrastructure, Telecommunications
Venture RoundTotal funding$1.0BOct 2022
Nxtra Data

India's largest data center network, operated by Airtel, with 120+ locations offering colocation ...

Gurugram, India201–500Cloud, Infrastructure
Private EquityTotal funding$1.0BMar 2026

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Reintel on Indexed.vc
<a href="https://indexed.vc/companies/reintel"><img src="https://indexed.vc/api/badge/company/reintel" alt="Reintel on Indexed.vc" width="260" height="76" /></a>