The companies listed in Sofia are primarily engaged in IT services and consulting, ranging from established firms to more recently founded entities. Noteworthy examples include Commerzbank Digital Technology Centre Bulgaria, which specializes in digital transformation for banking, and ICB, a provider of software and consulting services. Sirma focuses on innovative software solutions like semantic platforms and cybersecurity, while SiteGround is a web hosting leader. Telelink Business Services offers IT solutions in infrastructure and IoT, and Information Services excels in system integration for state administration. KPMG Delivery Network Bulgaria LLC provides technology and advisory services for enterprise applications and cloud solutions. Bosch Bulgaria focuses on IoT and digital projects.
Most of these companies are headquartered in Sofia, indicating a concentration of IT services expertise in the capital. The founding dates show a mix of long-standing companies, such as Information Services (1970) and Sirma (1992), alongside more recent additions like Commerzbank Digital Technology Centre Bulgaria (2020) and AMPECO (2018). This suggests a sustained growth and evolution of the IT services sector in Sofia over several decades.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Commerzbank Digital Technology Centre Bulgariasofia.commerzbank.bg
A global leader in banking, specializing in digital transformation through innovative technologies to provide efficient, secure, and tailored services to clients |
773 | |||
| 2 | 552 | ||||
| 3 | 496 | ||||
| 4 |
SiteGroundsiteground.com
A global web hosting leader known for innovative products, powering over 3 million domains Recognized for excellence in team and technology |
489 | |||
| 5 |
Telelink Business Servicestbs.tech
Technology service provider offering IT solutions in infrastructure, IoT, security, and digital transformation Operating in 9 countries with 350+ employees |
475 | |||
| 6 |
Information Servicesis-bg.net
A leader in high technology in Bulgaria, specializing in system integration for state administration, digital signatures, and partnerships with global IT providers |
405 | |||
| 7 |
KPMG Delivery Network Bulgaria LLCtalentlyft.com
Providing technology and advisory services focused on enterprise applications, cloud solutions, security, and compliance for global clients. |
403 | |||
| 8 |
Bosch Bulgariabosch.bg
Global technology and services provider with a focus on IoT and digital projects, offering innovative products and services to improve quality of life worldwide |
399 | |||
| 9 |
Wiser Technologywisertech.com
Empowering visionary technologies, offering technological innovation, domain expertise, and engineering excellence across diverse industries, with top-tier clients and tech partners. |
385 | |||
| 10 |
Shelly Groupshelly.com
Innovative technology holding group developing high-quality IoT products with user needs in mind, spanning multiple subsidiaries and global markets |
321 | |||
| 11 | 263 | ||||
| 12 |
Proxiad SEEsee.proxiad.com
Leader in consulting, technology, and outsourcing services with a multicultural team in South East Europe, creating tailored digital solutions for clients |
258 | |||
| 13 |
Telelinktelelink.com
Enabling digital transformation through global talent, next-gen IT solutions, and partner relationships Fostering innovation, efficiency, and collaboration to drive business growth |
251 | |||
| 14 |
TechnoLogicalinktr.ee
Innovative Bulgarian technology partner specializing in custom software development, security solutions, 3D solutions, and specialized training in various fields |
229 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 15 |
AMPECOampeco.com
Leader in EV charging management providing innovative software solutions for efficient energy usage and seamless charging experience, tailoring to various businesses |
192 | |||
| 16 |
Merkle Bulgariadentsuaegis.wd3.myworkdayjobs.com
A team of experts in software, technical architecture, QA, and technical support in Sofia specializes in creating exceptional shopping experiences for clients |
185 | |||
| 17 |
INDEAVRindeavr.com
A technology services provider specializing in Digital, Data, Cloud, and Advanced Software Engineering, offering R&D practices and operational optimization for innovative companies |
180 | |||
| 18 |
NetInfonetinfocompany.bg
A leading Bulgarian digital media company offering popular websites, advertising products, and innovative solutions to engage millions of users monthly |
180 | |||
| 19 |
Do IT Wise | An Inetum Group Companydoitwise.com
Elite certified partner specializing in digital transformation with expertise in ServiceNow and Micro Focus to provide tailored solutions for clients |
173 | |||
| 20 |
Tiebreaktiebreak.solutions
Global MarTech experts providing tailored solutions for complex needs: customizable fintech platforms, marketing systems, sales optimization, and compliance systems |
171 | |||
| 21 |
FRESHCODEfreshcodeit.com
Europe-based software development company offering end-to-end IT services for businesses of all sizes, specializing in web, mobile, and desktop applications |
153 | |||
| 22 |
Ventures Labventureslab.io
Innovative provider of iGaming, Fintech solutions, electronic payments, managed services with global presence; empowering partners through technology and innovation |
147 | |||
| 23 |
Smart IT - Smart Innovative Technologiessmartit.bg
Technological hub supporting 8300 employees across Europe with expertise in software solutions and ICT infrastructure, specializing in fintech onboarding platform development |
125 | |||
| 24 |
LimeChain - Blockchain & Web3 Solutionslimechain.careers
A boutique solutions provider that has become a top player in Blockchain, serving Fortune 500 clients and leading innovation in Web3 |
119 | |||
| 25 |
MY Synergymysynergy.eu
Healthtech company leveraging technology to improve healthcare through digitalization Specializing in data, AI, Azure solutions, and value-based health initiatives |
25 | |||
| 26 |
phyrephyrebox.io
A fintech company providing innovative solutions to businesses, enabling them to conquer niches with access to financial infrastructure and technology |
9 | |||
| 27 |
Tiger Health Technologytiger-health.tech
A technology company specializing in healthcare data management, particularly in digital pathology, with expertise in addressing storage challenges across industries |
5 | |||
| 28 |
Entersoft Bulgariaentersoft.eu
A leading provider of business software solutions in Southeast Europe and the Middle East, offering integrated ERP, CRM, HRM, Retail, WMS, Mobile, e-Commerce, and BI solutions |
3 | |||
| 29 |
DYNABACKdynaback-tshirt.com
A smart t-shirt with sensors that tracks body movements, alerts irregularities, and provides insights to prevent back injuries, matching EU Ergonomic standards |
2 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Sofia
- The largest companies in Sofia 261
- Multinational companies in Sofia 84
- IT services companies in Sofia 40
- Software Development companies in Sofia 38
- Financial services firms in Sofia 31
- Critical infrastructure operators in Sofia 27
- Retail chains in Sofia 26