About us

Zadarma is an international company, providing telecommunication services since 2006. Our professional expertise, sophisticated infrastructure and long-term experience lie at the heart of our premium cloud communication solutions. Today our service embraces a large number of active users in 160 countries, collaboration with the world largest VoIP providers, a worldwide range of virtual phone numbers and 24/7 customer support team.

Zadarma History: 14 years of success

  • 2020
  • Speech analytics in 50+ languages was launched, as well as free video conferencing, new phone system bundles - World and Americas, new integrations with HubSpot and Freshdesk, new API for ZCRM and WebRTC.
  • 2019
  • Free CRM-system – ZCRM – launched, fully updated app for Android, extended number and phone bundles coverage, German language added for support, number of users surpassed 1 700 000.
  • 2018
  • Complete PBX, widgets, iOS app and main website update. Attractive phone system bundles and free Call Tracking presented. The millionth user registered with the service.
  • 2017
  • New data centers launch in New York and Moscow, fully updated client account design, increased toll-free numbers coverage to 70 countries
  • 2016
  • The Zadarma Cloud PBX integration with top CRM systems, project launch in Poland and Spain, free app release for Windows
  • 2015
  • API interface availability, creation of Zadarma iOS app, unique new service presentation - the SIM card for roaming with price plans and VoIP features
  • 2014
  • New data center launch, security system modernization, and increased coverage of toll-free numbers and multi-currency price options
  • 2013
  • The new interaction system with clients, improved and expanded Cloud PBX features
  • 2012
  • Free cloud PBX (Business Phone System) launch, virtual phone number availability in 70 countries.
  • 2011
  • The service expansion - the CallBack feature, SMS messages, useful website widgets and Zadarma SIP app for Android
  • 2010
  • The launch of an affiliate partner program (which now has more than 1,000 partners across the globe).
  • 2009
  • Improved service interface, creation of the webphone and other useful features
  • 2008
  • Virtual phone number sales in several countries
  • 2007
  • Substantial increase of our customer database, 24/7 customer support launch and call center establishment
  • 2006
  • First launch

Our team

Zadarma today has offices in 6 countries around the world, a professional team, five geographically dispersed data centers, competent personnel management, and is constantly improving for the benefit of the company and its users. We are attentive to our customers’ needs and it allows us to develop a modern service and stay in Top-20 of the world’s best cloud telecommunication providers.

Together we are creating the best service for you! Over 1 700 000 clients have already appreciated Zadarma services. Connect now and stay with us forever.

Team Zadarma
OpenExpoEurope Zadarma
E-commerce Poland Expo Zadarma
Сonference Zadarma

If you would like to become a part of our team, send an email to hr@zadarma.com


IP Telecom Bulgaria LTD

Address: floor 2, 2 Vasil Aprilov, Bourgas, Bulgaria - 8000

United Kingdom

Address: 63-66 Hatton Garden, London, United Kingdom, EC1N 8LE


Address: av/Cortes Valencianas, 58-1003, Valencia, Spain - 46015;

For administrative enquiries: manage@zadarma.com

Tel: +44 203 769-18-80

The Zadarma in the press

logo techcrunch
Tips for success from San Francisco-based business owners (techcrunch.com)
logo uctoday.com
Empowering Your Business with CRM Telephony integration (uctoday.com)
logo telecompaper.com
Zadarma business phone system adds CRM integration for customer call satisfaction (telecompaper.com)
logo startupnation.com
5 Reasons Why Your Startup Needs a Virtual Phone System (startupnation.com)
logo callcentrehelper.com
Zadarma Callcenter helper information (callcentrehelper.com)