We offer world class telecommunications infrastructure services in Bulgaria

About CETIN Bulgaria

CETIN Bulgaria is a leading provider of telecommunication and IT infrastructure solutions and services, owning and operating one of the largest electronic communications networks in Bulgaria.

We provide an enjoyable customer journey and great performance by pushing sustainable technological development and anticipating customers' demands, based on our cutting-edge communications infrastructure, highly skilled team of more than 250 professionals, and our customer-driven strategy.
CETIN Bulgaria is part of CETIN Group owned by PPF Group, which is a significant player in active and passive telecommunications infrastructure services in the CEE region (Czech Republic, Bulgaria, Hungary & Serbia).

CETIN Serbia is preparing in earnest for the introduction of 5G network to Serbia.

With more than 200 employees, 24/7 support and extensive infrastructure deployment, CETIN Bulgaria intends to become one of Bulgaria’s most preferred providers of wholesale services in the electronic communications domain.

Our management

The company is its talented and enthusiastic professionals

  • Petar Mudrinic

    CETIN Bulgaria CEO

    Petar joined CETIN Bulgaria as its CEO in January 2021. Before joining the organization, Petar served as Fixed Services Development Director at Telenor Bulgaria. Petar has more than 20 years of experience in the telecommunications sector.

  • Ivaylo Shahanov

    Network Strategy, Planning and Development Director

    Ivaylo joined CETIN Bulgaria from Telenor Common Operation where he held the position of Planning Director since 2018. Ivaylo has significant experience in both Network Planning and management and has more than 15 years of experience in telecommunications planning and network strategy.

  • Nikola Chakarov

    Operations Director

    Nikola joined CETIN Bulgaria from Telenor Common Operation where he where he held the position of CNOC Director since 2018. Nikola has more than 20 years of experience in Operations of telecommunications.

  • Lyudmila Dilova

    Commercial Director

    Lyudmila joined CETIN Bulgaria from Telenor Bulgaria, where she held the position of Senior Wholesale Expert since 2019. Lyudmila was part of the first LTE Roaming launch in Bulgaria and the launch of International voice transit service. Lyudmila has more than 10 years of experience in both the IT & telecommunications wholesale sector and management roles.

  • Dimitar Korudzhiyski

    Security Director

    Dimitar joined CETIN Bulgaria from Telenor Bulgaria, where he was a Senior Expert Business Continuity & Investigation since 2018. Dimitar has more than 10 years of experience in Audit, Business Continuity and Management Systems and he is also a Certified Lead Implementer ISO 22301 (BCMS).

  • Anatoli Kraev

    Finance Director

    Anatoli joined CETIN Bulgaria from Telenor Bulgaria where he held the position of Senior Advisor Strategy and Corporate PMO since 2016. Anatoli has more than 20 years of experience in Strategic Finance in the telecommunications sector.

  • Vessela Takova

    Human Resources Director

    Vessela joined CETIN Bulgaria from Hyatt Regency Sofia where she was Human Resources Director since 2019. Vessela has over 15 years of experience in various HR positions in telecommunications sector.

  • Yoanna Ilchovska

    Legal Director

    Yoanna joined CETIN Bulgaria from Telenor Bulgaria where she was Legal Director. For almost 15 years, Yoanna has used her expertise in contracts & negotiations, commercial and corporate law, intellectual property, EU law, competition, litigation, property law, public sector and local government law in the telecommunication sector.

  • Plamen Vichev

    Business Growth and Transformation Director

    Plamen joined CETIN Bulgaria after being Project Advisor for Huawei in Finland. Plamen has more than 13 years of international experience in managerial positions in ICT, focused on program management, transformation and sales.


Customers - We Anticipate and Deliver

We strive to understand, anticipate, and serve the needs of our customers and their end-users. We are here to help them perform better and faster. Through keeping our promises, we provide excellent user experience.

People - Respect and Teamwork

We are proud of our talented, skilled and motivated colleagues. Ensuring their professional growth and well-being is our top priority. We believe that respect, open communication, and teamwork create the best foundation for success and friendly workplace.

Technology - The Backbone of our Existence

We are passionate about the technology that is the backbone of our existence. We design, build, and operate high quality networks and provide innovative solutions without any compromise on security.

Partnership - Communities and Innovators

We are proud members of the diverse communities, that we live in, and help them thrive. We also choose to partner with innovators who, like ourselves, believe that communications technology and services are here to improve the quality of life.


CETIN Bulgaria was established in 2020 after a separation from Yettel Bulgaria (formerly Telenor), which enable us to respond to increasing data demands and push for improved quality of services.

The spin-off from Yettel gives CETIN Bulgaria the opportunity to focus on the infrastructure, drive and improve better long-term sustainable investments, and create innovative partnership models to achieve best service quality and efficiency.

The formation of CETIN Bulgaria is based on leveraging knowledge and learnings from the infrastructural separation between O2 and CETIN in Czech Republic in 2015.

About PPF group

PPF Group is an international investment group founded in 1991 in the Czech Republic. The organization invests in multiple market segments such as financial services, biotechnology, mechanical engineering and telecommunications.

PPF Group is present in 24 different countries spanning Europe, USA and Asia. As of 30 June 2019, PPF Group owned assets worth over EUR 47 billion and globally employed almost 150 000 people (as of 31 December 2019).

PPF Group offices in Prague, Czech Republic
PPF Group offices in Prague, Czech Republic

The PPF Telecom Group is a leading telecom player in Central and Eastern Europe. Through acquisition and consolidation, the Group portfolio comprises of five mobile operators, a convergent telco operator and 4 infrastructure operators. CETIN, CETIN Bulgaria, CETIN Hungary, CETIN Serbia, O2 Czech Republic, O2 Slovakia, Yettel Hungary, Yettel Bulgaria, and Yettel Serbia all fall within the PPF Telecom Group portfolio and play a key role in PPF’s commitment to being a long-term, mid-sized telecommunications owner in the CEE.

Over the last 30 years, over 2,5 billion Czech crowns were donated by the PPF Group to charitable causes.

PPF Group has numerous corporate social responsibility projects in the countries where it operates, focusing its support on three areas in particular: education, arts and science.

PPF group in numbers

  • founded in


    in the Czech Republic

  • present in



  • employees


    thousand people

  • Assets worth of


    billion EUR


Today, Yettel Bulgaria uses our network solely for all of its mobile technology. Our 4G and 5G equipped network covers more than 97 percent of Bulgarian highways, first and second class roads, with a maximum download speed of up to 1 Gbps (in regions where 5G coverage is available).

In order to provide exceptional service to our customers, we continue to invest in network enhancements by updating and creating additional locations.

Supported Technologies


Since June 10, 2021, a 5G network has been available to all Yettel customers in Bulgaria. Since the launch, we have established coverage in hundreds of locations and developed and introduced a completely new service called Fixed Wireless Internet Access via a mobile network. Additionally, Umlaut gave the network its fifth consecutive "Best in Test" award.In 2019, along with our exclusive network partner Yettel, we introduced of a variety of 5G trials including demonstrations and tests of remote medical checkups and live concert streaming. Participants included experts from the CRC, the Ministry of Health, the Ministry of Transport, IT and Communications, scientists in the fields of technology and health, and others.

Going forward, CETIN Bulgaria will keep constructing, running, expanding, and developing the 5G network, enabling us to broaden our service offerings and offer ground-breaking solutions to our customers and their end users. The 5G network can reach speeds that are 10 times faster than 4G and has a 1ms latency. One of the fastest, most dependable, and most secure networks in use today is 5G.

4G & 4.5G

LTE (Long Term Evolution) technology, which was launched in December 2015 by Yettel Bulgaria (previously Telenor) and is now operated by CETIN, is the fourth generation of mobile networks (4G) and offers customers a unique experience when using services that require high data transfer speeds, as well as faster access to applications such as streaming high-definition video content (YouTube, streaming, mobile TV, etc.), music streaming, uploading and downloading.

The LTE-Advanced supporting network combines a variety of network technologies and functionalities to provide a better user experience. Through the aggregation of multiple LTE carriers, the 4.5G Network provides improved data transfer speeds, allowing consumers with compatible handsets to take advantage of more network resources.


Yettel Bulgaria (previously Telenor) introduced VoLTE, a voice call technology, on its 4G/LTE network in 2018. With VoLTE, you may talk on 4G while browsing on the 4G network, and you'll get better HD voice quality, faster connectivity, and longer battery life.


ViLTE is an expansion of VoLTE technology that enables video calling over a 4G network on supported devices. It was introduced by Yettel Bulgaria (previously Telenor) in 2019. It supports high-definition video calls and offers full SIM-based authentication security without the need for additional registration or software.


Data and privacy are secure and protected on the CETIN Bulgaria network, which is stable and trustworthy. Our network ensures your safety by utilizing cutting-edge technology and carefully planned work methods that adhere to the highest industry standards.

Our Management Systems

Environmental Management System:

The environmental management system aims to minimize the environmental footprint of the company, by measuring, controlling and constantly decreasing the harmful environmental impact from all aspects of our activities. The areas we focus on are: responsible use of energy and other materials; recycling; offering sustainable services.

The Certificate for Environmental Management System (ISO 14001) is a proof for our success in that aspect.

Health and Safety Management System:

Health and safety of our employees is our first priority. We aim at dealing with health and safety issues at work by adopting a preventive approach, complying with national legislation and other applicable company requirements; we set objectives which we achieve by means of health and safety programs; we aim to continually improve the OH&S management system.

Information Security Management System:

Following the best practices and the industry standards we develop and maintain a good security and privacy culture and provide the necessary protection of information, premises and other assets by managing security risks proportionally and effectively.

IT Services Management System:

The service management system of CETIN Bulgaria supports the provision of IT support services to business customers from Bulgaria in accordance with the service catalogue.

Quality management system:

We at CETIN build and maintain the essential technological infrastructure so that our clients can provide new services and products using cutting-edge technology. This encourages growth, change, and progress. The goal of CETIN Bulgaria is to deliver exceptional performance by promoting the development of sustainable technology and foreseeing tomorrow’s needs.

Quality is therefore one of the company's key concerns.

The main goal of the management and the team is to make CETIN Bulgaria a sought-after, dependable, and preferred partner for the goods and services we provide. By preserving and continually enhancing the operational Quality management system in accordance with ISO 9001:2015, we will be able to accomplish this goal.