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Top System Integration Companies in Sofia

Ratings Updated: May 17, 2026
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15 Leaders 15 Contenders

108 Companies

Country: Bulgaria
City: Sofia

List of the Top Sofia Best System Integration Companies & Services

  • Featured

    What are Featured Providers?

    Edvantis Logotype

    Edvantis

    4.8 43 reviews
    Premier Verified
    $10,000+
    $25 - $49 / hr
    250 - 999
    Serves Sofia, Bulgaria

    Services provided

    30% AI Development
    25% BI & Big Data Consulting & SI
    25% Custom Software Development +2 services
    10% Cybersecurity
    10% IoT Development

    Edvantis is a versatile software development company offering services such as frontend development, backend architecture migration, and DevOps workflows. Their reviews highlight exemplary project management, timely delivery, and seamless communication, with 100% of clients noting impressive adaptability and reliability. Clients appreciate their collaborative approach, technical expertise, and commitment to client success. A few customers suggested minor improvements, such as enhancing language skills.

    See all 43 projects

    Reviews mention Knowledgeable

    Clients consistently praise Edvantis for their deep knowledge and expertise. One client noted their 'excellent knowledge on frontend development,' which facilitated a shift to monthly release cycles. Another highlighted their ability to grasp complex public transport software requirements quickly, stating they raised the right questions and demonstrated a strong understanding of the topic. Overall, the sentiment regarding Edvantis's knowledge is overwhelmingly positive, reflecting their capability to meet diverse project demands effectively.
    • Website Data Mgmt & Mapping for Employment Website
      5.0 Sep 28, 2023

      I really enjoyed working closely with the team leads, always keeping their team on task and consistently communicating with us on any updates or concerns. They showed tremendous knowledge and would brainstorm solutions with us.

      Read Full Review
    Read All Reviews

    Industry Experience

    Edvantis has demonstrated expertise across various industries, including Education, Real Estate, Information Technology, Media, and Healthcare. Clients have praised their timely delivery, adaptability, and strong communication. In Education, their work involved mobile and web applications, while in Real Estate, they focused on enhancing compliance management systems. Their contributions in IT emphasized software development and QA. Overall sentiment reflects high satisfaction, highlighting Edvantis's ability to provide tailored solutions and integrate effectively with client teams across diverse projects.

    Read All Reviews

    Select Industry to see insights

    Consulting Software Information technology Media Engineering Other Industry Research Healthcare Business services Financial services Manufacturing Consumer Products Automotive Energy & natural resources Hospitality & leisure Retail IT Services Education Other industries Real estate

    Average Project Cost Breakdown

    $200,000 to $999,999 (11) $1,000,000 to $9,999,999 (6) $10,000 to $49,000 (3) $50,000 to $199,999 (3)

    What Clients Have Said

    Clients consistently highlight Edvantis' strong value for cost, noting that their pricing fits within budget constraints while delivering high-quality work. For instance, one COO stated they selected Edvantis due to 'good value for cost,' and another noted their 'excellent job' at a 'reasonable cost.' Overall, feedback reflects a positive sentiment regarding the company's ability to provide competitive pricing alongside effective project management and quality deliverables.
    Read All Reviews

    View projects from:

    United States (20) Germany (13) Sweden (2) Austria (1) Belgium (1) Canada (1) Denmark (1) India (1) Israel (1) Lithuania (1) Netherlands (1)
    View Profile Visit Website
  • Hartona Ltd. Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    20% BI & Big Data Consulting & SI
    20% Back Office Outsourcing
    20% Graphic Design +2 services
    20% Social Media Marketing
    20% Web Development

    Social media marketing agency Hartona Ltd. Specializes in Social Media Marketing and Graphic Design. They were founded in 2021.

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  • ClouDNS Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    100% Cloud Consulting & SI

    Cloud consulting & SI company ClouDNS was founded in 2010. The small team offers cloud consulting & SI.

    Read more
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  • Connect Me Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Sofia, Bulgaria

    Services provided

    5% Advertising
    5% Branding
    5% CRM Consulting and SI +17 services
    5% Corporate Photography
    5% Custom Software Development
    5% Digital Strategy
    5% ERP Consulting and SI
    5% Email Marketing
    5% Event Marketing
    5% IT Strategy Consulting
    5% Market Research
    5% Marketing Strategy
    5% Media Planning & Buying
    5% Mobile App Development
    5% Public Relations
    5% Social Media Marketing
    5% UX/UI Design
    5% Video Production
    5% Web Design
    5% Web Development

    Connect Me is an Advertising company. Their team is based in Sofia, Bulgaria. The firm focuses on Advertising and Branding.

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  • Carrot Tech Lab Logotype

    5.0 5 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    20% Mobile App Development
    10% AI Development
    10% BI & Big Data Consulting & SI +6 services
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Web Design

    Carrot Tech Lab is a web development company known for its comprehensive website migration and design services. Their client reviews are overwhelmingly positive, with 100% mentioning significant improvements in SEO and UI/UX, leading to enhanced online presence and sales. Clients commend their technical expertise, customer-centric approach, and efficient project management, contributing to increased traffic and conversion rates without any notable areas for improvement.

    See all 5 projects

    Industry Experience

    Carrot Tech Lab has demonstrated expertise primarily in the Advertising & Marketing industry, providing tailored solutions for eCommerce platforms. Clients appreciated their strong technical skills, customer-centric approach, and effective project management, leading to significant improvements in SEO, UX, and conversion rates. The overall sentiment is highly positive, indicating that businesses seeking to enhance their online presence and optimize user experience would benefit from Carrot Tech Lab’s services.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing

    Average Project Cost Breakdown

    $10,000 to $49,000 (1)

    What Clients Have Said

    Clients have expressed satisfaction with Carrot Tech Lab's pricing, noting it fits within their budget while delivering significant value. One client highlighted the company's ability to manage a complex eCommerce migration, resulting in a 25% increase in organic traffic and a 20% rise in conversion rates. Overall sentiment reflects that Carrot Tech Lab provides high-quality services at competitive prices, with a strong emphasis on customer satisfaction and responsiveness.
    Read All Reviews

    Sofia, Bulgaria

    35 ulitsa "Mechka"
    Sofia, Bulgaria 1330

    10 - 15

    +359 88 5132533

    See All Locations (2)
    View Profile
  • SO Management Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Samokov, Bulgaria

    Services provided

    25% API Development
    25% ERP Consulting and SI
    25% Social Media Marketing +1 service
    25% Web Development

    SO Management is a social media marketing firm. They were established in 2022, and their services include Social Media Marketing and ERP consulting and SI.

    Read more
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  • XAPT Solutions Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    250 - 999
    Sofia, Bulgaria

    Services provided

    25% CRM Consulting and SI
    25% Custom Software Development
    25% ERP Consulting and SI +1 service
    25% IT Strategy Consulting

    XAPT Solutions is a software development firm. They are based in Sofia, Bulgaria and Budapest, Hungary and have midsize team. They specialize in Custom Software Development and CRM consulting and

    Read more
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  • HeleCloud Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Sofia, Bulgaria

    Services provided

    50% Cloud Consulting & SI
    30% IT Managed Services
    20% Cybersecurity

    HeleCloud is a cloud consulting & SI company founded in 2016. The team provides cloud consulting & SI and IT managed services.

    Read more

    Sofia, Bulgaria

    141 Tsarigradsko Shose Blvd VIP Security Building, Floor 2
    Sofia, Bulgaria 1784

    See All Locations (3)
    View Profile
  • eCommera Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    250 - 999
    Sofia, Bulgaria

    Services provided

    50% E-Commerce Development
    25% Cloud Consulting & SI
    25% IT Managed Services

    ECommera is an e-commerce development firm. Launched in 2007, the company is located in Sofia, Bulgaria and London , England. Their team focuses on E-Commerce Development and cloud consulting & SI.

    Read more
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Ability to deliver
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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Adastra
2 N-iX
3 LeverX
4 ITGix
5 Sigma Software Group
6 Coherent Solutions
7 Civitta
8 CodeMerx
9 VECTOR Labs
10 Infopulse
11 Perspective Unity Ltd.
12 Bulgarian Software House - BSH
13 SoftServe
14 KIMRAX Creek Ltd.
15 Technofy

List of the Top 15 Sofia Best System Integration Companies & Services

  1. Adastra Logotype

    Adastra

    $25,000+
    Undisclosed
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    36.4/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    8.6/10 Market Presence

    Service focus

    65% System Integrators
    35% Other
    View Profile Visit Website
  2. N-iX Logotype

    N-iX

    $100,000+
    $50 - $99 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    36.3/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    46% System Integrators
    54% Other
    View Profile Visit Website
  3. LeverX Logotype

    LeverX

    $100,000+
    $50 - $99 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    29.6/40.0
    16/20 Reviews
    3.9/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  4. ITGix Logotype

    ITGix

    $10,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    37.2/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  5. Sigma Software Group Logotype

    Sigma Software Group

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    37.6/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    11% System Integrators
    89% Other
    View Profile Visit Website
  6. Coherent Solutions Logotype

    Coherent Solutions

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    37.4/40.0
    18.4/20 Reviews
    9.2/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  7. Civitta Logotype

    Civitta

    $25,000+
    $50 - $99 / hr
    250 - 999
    Sofia, Bulgaria

    Ability to deliver

    33.8/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    7/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  8. CodeMerx Logotype

    CodeMerx

    Undisclosed
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    36/40.0
    17.4/20 Reviews
    9.3/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  9. VECTOR Labs Logotype

    VECTOR Labs

    $10,000+
    $25 - $49 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    34/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    7.6/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  10. Infopulse Logotype

    Infopulse

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Sofia, Bulgaria

    Ability to deliver

    33.9/40.0
    15.2/20 Reviews
    9.9/10 Clients & Experience
    8.8/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  11. Perspective Unity Ltd. Logotype

    Perspective Unity Ltd.

    $10,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    32.5/40.0
    17/20 Reviews
    10/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    30% System Integrators
    70% Other
    View Profile Visit Website
  12. Bulgarian Software House - BSH Logotype

    Bulgarian Software House - BSH

    $1,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    30.5/40.0
    15.8/20 Reviews
    9.2/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  13. SoftServe Logotype

    SoftServe

    $50,000+
    $100 - $149 / hr
    10,000+
    Sofia, Bulgaria

    Ability to deliver

    29.5/40.0
    15.6/20 Reviews
    8/10 Clients & Experience
    6/10 Market Presence

    Service focus

    15% System Integrators
    85% Other
    View Profile Visit Website
  14. KIMRAX Creek Ltd. Logotype

    KIMRAX Creek Ltd.

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    30.7/40.0
    16.8/20 Reviews
    9.9/10 Clients & Experience
    4/10 Market Presence

    Service focus

    50% System Integrators
    50% Other
    View Profile Visit Website
  15. Technofy Logotype

    Technofy

    $1,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    30.5/40.0
    17.2/20 Reviews
    8.1/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    50% System Integrators
    50% Other
    View Profile Visit Website
  16. Code Runners Logotype

    Code Runners

    $25,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    29/40.0
    15.6/20 Reviews
    8.1/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  17. Sirma Logotype

    Sirma

    $50,000+
    $50 - $99 / hr
    250 - 999
    Sofia, Bulgaria

    Ability to deliver

    29.2/40.0
    17.8/20 Reviews
    3.2/10 Clients & Experience
    8.1/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  18. BrainDonors Logotype

    BrainDonors

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    33/40.0
    16.8/20 Reviews
    8.8/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  19. Sciant (part of Sirma Group) Logotype

    Sciant (part of Sirma Group)

    $10,000+
    $25 - $49 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    32.7/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    6.3/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  20. Cloud Solutions Logotype

    Cloud Solutions

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    28.7/40.0
    17.2/20 Reviews
    6.9/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    50% System Integrators
    50% Other
    View Profile Visit Website
  21. eLando Logotype

    eLando

    $25,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    32.2/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  22. B EYE Logotype

    B EYE

    $5,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    23.7/40.0
    15/20 Reviews
    1.9/10 Clients & Experience
    6.7/10 Market Presence

    Service focus

    90% System Integrators
    10% Other
    View Profile Visit Website
  23. Stanga1 Logotype

    Stanga1

    $5,000+
    $50 - $99 / hr
    250 - 999
    Sofia, Bulgaria

    Ability to deliver

    27.1/40.0
    16.6/20 Reviews
    4.7/10 Clients & Experience
    5.9/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  24. Deltologic Logotype

    Deltologic

    $1,000+
    $100 - $149 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    29.4/40.0
    16.2/20 Reviews
    7.5/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  25. Sorcible Logotype

    Sorcible

    $10,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    30.3/40.0
    16.2/20 Reviews
    6.6/10 Clients & Experience
    7.5/10 Market Presence

    Service focus

    10% System Integrators
    90% Other
    View Profile Visit Website
  26. Cosmos Thrace Ltd. Logotype

    Cosmos Thrace Ltd.

    $50,000+
    $300+ / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    23.9/40.0
    17.6/20 Reviews
    1.4/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    50% System Integrators
    50% Other
    View Profile Visit Website
  27. Supportica Solutions Logotype

    Supportica Solutions

    $10,000+
    $50 - $99 / hr
    50 - 249
    Sofia, Bulgaria

    Ability to deliver

    27.1/40.0
    16.6/20 Reviews
    5.7/10 Clients & Experience
    4.8/10 Market Presence

    Service focus

    20% System Integrators
    80% Other
    View Profile Visit Website
  28. Hypergen Logotype

    Hypergen

    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    25.4/40.0
    16.6/20 Reviews
    3.7/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    25% System Integrators
    75% Other
    View Profile Visit Website
  29. Several Clouds Logotype

    Several Clouds

    Undisclosed
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Ability to deliver

    22.7/40.0
    17.2/20 Reviews
    0/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    40% System Integrators
    60% Other
    View Profile Visit Website
  30. Sage Data Logotype

    Sage Data

    $1,000+
    $50 - $99 / hr
    2 - 9
    Sofia, Bulgaria

    Ability to deliver

    23/40.0
    16.2/20 Reviews
    1.9/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    100% System Integrators
    View Profile Visit Website

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