Top Telecom Companies in Europe List by Market Cap as of August 2026

Telia Company is Sweden based multi-national Telecom company providing Mobile Network Services and Internet Network Services.

As on 2022, they had 20,000 employees that serve 25 million customers across the Nordic and Baltic region with essential digital infrastructure and digital services

Telia provide Mobile voice and data, TV and streaming, Media advertising, Value added services, Fixed voice and data, ICT Services Devices.

ILIAD SA is Telecom sector company with headquarters is in Paris, France. Provides mobile network access and internet access.

ILIAD SA is Internet service provider, Mobile telephony operator and it is provider of cloud infrastructure, IoT and managed services.

Tele2 AB is a Telecommunications company. It is a multitude of new technologies and use cases such as smart cities, autonomous vehicles, advanced robotics, augmented and virtual reality will not only add to traffic growth and the number of connected devises but will also require increased reliability, higher speeds and even more sophisticated networks. The headquarters is in Sweden.

It provides services in Sweden, Latvia, Estonia, Lithuania. It provides services like Mobile Telephony, Digital TV, High Speed Broadband.

Altice Europe is a Telecommunications company. It is a is a convergent leader in telecoms, content, media, entertainment and advertising. It is a innovative, customer centric products and solutions that connect and unlock the limitless potential of its over 30 million customers over fiber networks and mobile broadband. The company enables people to live out their passions by providing original content, high quality and compelling TV shows and international, national and local news channels. The headquarters is in Netherlands.

MOBILE TELESYSTEMS is Telecom company with headquarters is in Moscow, Russia. It provides Mobile Network Services, Broadband Internet Services, TV Subscription Services.

Telekom Austria Group is telecom sector company with headquarters is in Vienna, Austria. Telekom Austria provides mobile networking operation services, fixed line services, broadband internet services, digital television services.

A1 Telekom Austria Group provides digital services and communications solutions in Central and Eastern Europe with around 25 million customers.

Currently operating in seven countries: Austria, Bulgaria, Croatia, Belarus, Slovenia, the Republic of North Macedonia and the Republic of Serbia (Vip mobile).

Construct and develop Cell Towers infrastructure.