Software development

CNSYS has extensive experience in developing custom software solutions for government administration and large corporate clients. The company offers professional services for business analysis, design, development, testing, implementation, and maintenance of integrated information systems and high-class software solutions.

Our software development team consists of highly qualified specialists who have accumulated significant experience and know-how in creating complex solutions using the latest platforms and development tools such as .NET Core, Java, PHP, ReactUI, CSS, and others. We utilize technological platforms from leading manufacturers like Oracle and Microsoft, as well as open-source technologies.

The primary goal of our company in software project execution is to leverage the most progressive global IT trends and technologies to address tasks related to maximizing the utilization of IT resources and optimizing costs for the organizations that entrust us with their projects.

  • Comprehensive approach to software development

    Thanks to the expertise in business analysis, design, development, and software testing that CNSYS possesses, the company can provide the best solution for your corporate needs in every aspect of your business.

  • Modern platforms and development tools

    Thanks to our partnerships with global leaders in the field and our years of work on various large-scale projects in Bulgaria, our specialists have accumulated significant experience and know-how in working with current platforms and development tools such as .NET Core, Java, PHP, ReactUI, CSS, ORACLE and others.

  • Best global practices in software project management

    We adhere to proven global methodologies for managing software projects – RUP and Agile methodologies.

  • Full Ownership

    CNSYS clients own 100% of the software created for them, and are not tied to subscriptions or fees. Upgrading the software is also not a problem, as clients have full control.


year of experience


software engineers


working solutions

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in Bulgaria

When you choose CNSYS for the development of your software system, you receive

  • Business Analysis

    Business analysis is a key element of software development. Properly conducted, it ensures a solid foundation for the future system and guarantees the successful completion of the project.

  • System Design

    CNSYS experts have experience in designing systems on a national scale, used by tens of thousands of users, with an annual availability rate of 99.5%.

  • Development

    The developed application software is created with the primary goal of streamlining and optimizing the resources of organizations to achieve better results.

  • Testing

    Every software created within the company undergoes testing by a specialized team to ensure the reliability and quality of the product.

  • Implementation

    The implementation of the developed software is planned and executed in a way that ensures uninterrupted operation for the organizations for which it is created.

  • Support

    CNSYS provides support for the software developed by the company 24/7, 365 days a year. Our experts are available on the national support hotline at any given moment.

Some of our clients


At CNSYS, we have developed and implemented software solutions for a variety of government institutions and corporate clients.


National Health Insurance Fund

Registry Agency

Администрация на Министерски съвет

Council of Ministers Administration


Ministry of Interior



Why you should choose CNSYS

6 advantages of our company
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    IT technologies at one place

    CNSYS is a systems integrator that can take responsibility for all aspects of your IT environment, including hardware, networks, software systems, as well as management, security and support.

  • diploma-2983_a6bb0b64-dbc1-431e-ac00-a83597982a0

    Direct partnership with the best

    Since 1998, CNSYS has been a direct partner and authorized service provider of the world’s leading manufacturers of IT technologies and software with the highest levels of specialization and certifications.

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    Many years of proven experience

    For 25 years of successful work on the Bulgarian market, we have gained extensive experience in the supply and adaptation of a wide range of technologies and software applications.

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    Understanding and support towards your challenges

    Our team is a trusted IT consultant and integrator of more than 1000 different organizations in Bulgaria and knows the IT problems of every business, no matter how big it is!
    Therefore, we can provide a quick and competent response to any of your inquiries.

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    Reliable support and service

    Our support organization is certified according to the ISO 20000-1 standard for service management and is one of the largest in Bulgaria. You can count on 24×7 technical support and advice provided by competent service specialists with proven experience throughout the country.

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    Quality guarantee

    We use a quality management system certified to the ISO 9001 standard, which is subject to annual review and development by an external accredited organization. All activities related to information processing are under the control and management of procedures certified according to the information security standard ISO 27001.

We have the ability to always select the most suitable global technology to address your specific local needs.