Software maintenance

As part of the software maintenance service, CNSYS develops a unique program for each client based on their specific needs. Whether you’re implementing a customized solution from CNSYS or require maintenance for a third-party software system, we’re here to assist you. Our maintenance experts are skilled at resolving issues related to large-scale automated software systems promptly and within budget.

Comprehensive support at various SLA levels

CNSYS maintenance specialists can provide accurate guidance to users and/or system administrators, troubleshoot source code issues, and optimize your system’s functionality to enhance its performance.

  • 24/7/365 Support

    CNSYS support services are designed to meet even the most stringent needs of our clients. Regardless of your schedule, we will be there for you.

  • Proactive and continuous monitoring

    We believe that proactive monitoring is the key to delivering uninterrupted business services. Using state-of-the-art tools, CNSYS specialists will diagnose and address any issues that arise with your application.

  • Audits and security updates

    Vulnerable systems pose a significant threat to any business. CNSYS engineers can conduct audits on your system to identify and mitigate potential vulnerabilities before they become problems.


years of experience


software engineers


working solutions

0x 7 x 365



in Bulgaria

Software maintenance includes

  • Assessment

    We initiate each maintenance process by conducting a comprehensive assessment of your application, enabling us to make informed assumptions about potential issues. Subsequently, we identify secure solutions for their prevention.

  • Planning

    Following this, CNSYS experts create a detailed plan to monitor performance issues in your application, prioritizing improvement objectives and adhering to your schedule and budget.

  • Execution

    We understand that getting your project back on track is crucial for your business success. That’s why CNSYS support specialists are trained to work as swiftly as possible.

  • Testing

    We always provide a testing environment where the maintained software undergoes tests by a specialized team to ensure the reliability and quality of the product.

  • Implementation

    We understand that getting your project back on track is vital for your business success. That’s why CNSYS support specialists are trained to work as swiftly as possible, and resolved issues are implemented promptly and with minimal risk.

  • Continuous Process

    Our goal is to ensure that your system performs its purpose optimally. Once we identify the causes of your issues, we swiftly move towards their resolution and subsequent prevention. Following this, we focus on enhancing and optimizing functionalities.

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

Register Agency

Администрация на Министерски съвет

Council of Ministers Administration


Ministry of Interior



Why choose CNSYS

Some advantages of our company
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    We understand your business

    We recognize the significant impact that the stability of a given software solution has on your business. Our ultimate goal is to consistently make your software as reliable as possible, so that in the end, the only thing you will need is the addition of new features.

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

    Swift and efficient responses

    Thanks to our global business model and highly skilled personnel, we are here to support your business every day and at all times. You can always rely on our prompt and effective response to any issue.

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    Established and proven procedures

    CNSYS employs a well-established and effective procedure for reporting and responding to client issues. We have stringent processes for prioritization and resolution based on our Service Level Agreement.

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