All Industries

Top Telecommunications Companies

568 Telecommunications companies, sorted by total funding raised.

Cologix

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

Denver, United States201–500Infrastructure, Telecommunications
Private Equity·$3.8B·Apr 2022
SkypeClosed

Skype provides a telecommunications platform that offers free video chat and voice calls to inter...

Luxembourg City, Luxembourg1001–5000Telecommunications
Private Equity·$1.9B·Sep 2009
O3b NetworksClosed

Satellite-based internet service provider for emerging markets

St. Helier, Channel Islands201–500Satellite Communications, Telecommunications
Venture Unknown·$1.2B·Nov 2010
Netomnia

UK full-fibre broadband network builder and alt-net operator, serving 460,000 customers across 3 ...

London, United Kingdom201–500Broadband, Infrastructure
Venture Unknown·$800.3M·Sep 2025
Attentive.us

AI Assistant for Sales teams

Braga, PortugalMarketing Tech, Telecommunications
Series E·$620.0M·Mar 2021
Redback NetworksClosed

Telecommunications equipment company that provided hardware and software solutions for ISPs to ma...

San Jose, United States501–1000Networking Equipment, Telecommunications
Convertible·$500.0M·Mar 2000
Community Fibre

London-based full fibre broadband provider offering fast, affordable home and business internet p...

London, United Kingdom201–500Internet Services, Telecommunications
Venture Unknown·$500.0M·Jul 2020
Zhone Technologies

Next-generation local loop infrastructure equipment

Oakland, United States201–500broadband, networking
Venture Unknown·$500.0M·Oct 1999
VonageAcquired

Voice over IP services company

Holmdel, United States1001–5000cloud-communications, voip
Convertible·$496.0M·Dec 2005
Outreach

Outreach is a sales engagement platform that accelerates revenue growth by optimizing interaction...

Seattle, United States501–1000Artificial Intelligence, Marketing Tech
Series G Plus·$488.1M·Jun 2021
Videocon D2H

Popular direct broadband satellite service provider

Mumbai1001–5000Media, Telecommunications
Private Equity·$411.3M·Feb 2016
Weave CommunicationsIPO

Weave makes communicating with customers easier for businesses by integrating features like texti...

Lehi, United States501–1000Healthcare, Telecommunications
Venture Unknown·$390.0M·Nov 2021
Zinnia Technologies

Life-enhancing videos that support and uplift people facing cognitive changes and dementia.

Winnetka, United StatesDigital Health, Healthcare
Growth Equity·$300.0M·Oct 2024
YipesAcquired

Metro Ethernet and managed WAN services provider acquired by Reliance Communications in 2007; no ...

San Francisco, United StatesInfrastructure, Telecommunications
Series D·$291.8M·Jan 2006
InnoviumAcquired

Provides high-performance TERALYNX Ethernet switch silicon for cloud and edge data centers, servi...

San Jose, United States201–500Semiconductors, Telecommunications
Series E·$288.3M·Jul 2020
Beanfield MetroconnectAcquired

Independent fibre-optic network operator providing business and residential internet and connecti...

Toronto, CanadaInternet Service Provider, Telecommunications
Growth Equity·$255.0M·Jul 2023
TwilioIPO

Cloud communications platform that provides APIs for messaging, voice, video, and authentication,...

San Francisco, United States5001–10000Cloud Communications, SaaS
Series E·$217.0M·Jul 2015
KaleyraAcquired

Cloud communications platform providing omnichannel APIs for SMS, voice, and messaging to busines...

Atlanta, United States201–500Developer Tools, Telecommunications
Corporate Round·$215.0M·Jul 2021
Nextiva

Unified customer experience management platform combining voice, video, chat, and digital channels.

Scottsdale, United States1001–5000SaaS, Telecommunications
Series B·$200.0M·Sep 2021
Pivotal Commware

mmWave 5G repeater and beam-forming technology company enabling cost-effective network coverage.

Kirkland, United States51–200Hardware, Telecommunications
Series D·$193.7M·Aug 2023
VlocityAcquired

Provided industry-specific cloud and CRM applications built on Salesforce, serving enterprises in...

San Francisco, United States501–1000Insurtech, Media
Series C·$152.8M·Mar 2019
ZoomIPO

Zoom brings teams together with cloud-based video communications.

San Jose, United States5001–10000SaaS, Telecommunications
Series D·$145.5M·Jan 2017
SpinLaunch

Develops kinetic launch systems and a LEO satellite broadband constellation for enterprise and so...

Long Beach, United States51–200Hardware, Space Tech
Series C·$141.0M·Aug 2025
Cape

Cape is the privacy-first mobile network.

Arlington, United States11–50Cybersecurity, Telecommunications
Series C·$140.0M·Mar 2026
AquantiaClosed

Aquantia develops low-cost and energy efficient 10G Ethernet ICs to connect multi-core data cente...

San Jose, United StatesSemiconductors, Telecommunications
Growth Equity·$133.0M·Oct 2015