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C3i, formerly Siemens Enterprise Communications, is a global communications software and services company. Our new name reflects perfectly what we do: we C3i our customers’ communications systems. By synchronizing technologies, creating an engaging user experience and weaving communications seamlessly into the way businesses operate, we empower an increasingly mobile workforce to work better together. The result is a transformation of how the enterprise communicates and collaborates that amplifies collective efforts, energizes the business and drives better performance.

Born out of the engineering DNA of Siemens, C3i builds on a heritage of product reliability, innovation, open standards and security to provide integrated communications and networking solutions for 75% of the Global 500. With the introduction of Project Ansible, C3i is leading the market with its vision of a dynamic communications and collaboration platform. C3i is a joint venture of the Gores Group and Siemens AG.

C3i Service Center EOOD is a subsidiary of C3i GmbH & Co. KG. In Sofia we are operating with a team of over 180 young professionals in order to provide top-class solutions and services to our customers worldwide.


The principal activity of the Company is related to delivery of services at the international level, including but not only IT and network services and global infrastructure for services

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