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Zadarma is a global provider of cloud-based telecommunication services for businesses. Established in 2006, they offer a comprehensive suite of solutions including virtual phone numbers in over 100 countries, cloud PBX systems, call tracking, website widgets (call-back, live chat), CRM integrations, and SIP trunking. Zadarma aims to provide affordable, reliable, and feature-rich communication tools to help businesses enhance customer interactions and streamline operations without the need for expensive hardware. Their services are utilized by a diverse range of clients, from small startups to larger enterprises, across various industries looking to optimize their communication infrastructure.
Serves as a primary operational center for European markets, including customer support, technical development, and regional business management.
Likely a modern office space equipped with advanced IT infrastructure to support a global telecommunications provider, designed for collaboration and innovation.
The work culture at Zadarma likely emphasizes technological innovation, customer focus, agility, and a collaborative environment typical of a dynamic tech company in the telecommunications sector.
The Sofia office is significant for Zadarma's strategic presence in Europe, facilitating service delivery, support, and compliance with regional telecommunication standards and regulations.
Zadarma supports global business communication through its extensive network, offering virtual phone numbers in over 100 countries and more than 200 cities worldwide. They operate multiple data centers strategically located across different continents (Europe, Asia, North America) to ensure high availability, low latency, and reliable service delivery. Functions supported globally include multilingual customer support (24/7 for some services), sales operations, technical assistance, localized billing, and the provision of their full suite of cloud PBX, call tracking, CRM integrations, and SIP trunking services to an international clientele.
ul. Bacho Kiro 26-30, et. 1 (for Zadarma Bulgaria EOOD)
Sofia
Sofia City Province
Bulgaria
Address: Calle Salitre, 1 - 1º Izq. 29002, Málaga
To cater to the growing demand for cloud telephony in Spain and provide localized support for customers in the Iberian Peninsula and potentially Latin America.
Address: ALEJE JEROZOLIMSKIE, NR 81, lok. 7.10A, WARSZAWA, 02-001
Strengthening Zadarma's presence in Poland and neighboring CEE countries, adapting services to specific regional requirements and languages.
Address: st. Baitursynov 54B, office 301, Almaty, 050000
To serve the developing markets in Central Asia with accessible and affordable cloud communication tools.
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As of April 2025, Zadarma' leadership includes:
Zadarma has been backed by several prominent investors over the years, including:
No major public announcements regarding executive new hires or exits at Zadarma have been identified in the last 12 months. The company typically does not publicize its internal executive changes widely.
Discover the tools Zadarma uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
While Zadarma's precise internal email format is not officially published, common formats for technology companies of its type include [first].[last]@zadarma.com or [first_initial][last]@zadarma.com. For general inquiries, they provide departmental emails like support@zadarma.com or sales@zadarma.com.
[first].[last]@zadarma.com or [first_initial][last]@zadarma.com or [department]@zadarma.com
Format
j.doe@zadarma.com or support@zadarma.com
Example
70%
Success rate
VoIPReview.org • May 10, 2023
Zadarma announced the launch of its new, free speech analytics tool integrated within its cloud PBX. This feature enables businesses to transcribe calls, analyze conversations for keywords, gauge customer sentiment, and evaluate operator performance, aiming to enhance service quality and operational efficiency....more
UC Today • October 26, 2023
Zadarma has upgraded its video conferencing platform, introducing new functionalities such as improved screen sharing, advanced recording options, and better mobile device compatibility. These enhancements are designed to provide a more comprehensive and user-friendly virtual meeting experience for its business customers....more
Zadarma Blog (Official) • February 15, 2023
Zadarma emphasized its WebRTC (Web Real-Time Communication) technology, allowing users to make and receive calls directly through their web browser without needing additional software or plugins. This feature simplifies access to their VoIP services and enhances user convenience....more
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