Company lists · Data verified August 2026
Top 9 AI companies based in Sofia, Bulgaria
The Sofia ai companies list contains 26 companies and 215 business contacts, including 74 email addresses. Published in August 2026, the list includes companies across the category, with Sofia as the single most-represented city. Use it to identify potential buyers, partners, and vendors in the ai companies market.
AI companies develop, sell, or provide artificial intelligence software, systems, products, or related services. This list covers companies that develop, sell, or provide artificial intelligence software, systems, products, or related services. Ranked by team size, largest first. Data current as of August 28, 2026.
The 9 largest AI companies based in Sofia, Bulgaria
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  OSI | 38 |
| 2 |  Aisolutions LTD | 17 |
| 3 |  Ablera | 10 |
| 4 |  Clearware | 1 |
| 5 |  Autegry | 3 |
| 6 |  st6.io | 2 |
| 7 |  Empower Solutions | 1 |
| 8 |  Data Science AI | 1 |
| 9 |  Team Landi | 1 |
Showing 9 of 26 AI companies based in Sofia, Bulgaria
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AI companies based in Sofia, Bulgaria at a glance
As of Aug 28, 2026Companies by employee count
AI companies by metro in Bulgaria
| Metro | Companies |
|---|---|
| AI companies in Sofia | 26 |
| AI companies in Sofia City | 3 |
| AI companies in Stara Zagora | 1 |
| AI companies in Varna | 1 |
| AI companies in Dobritch | 1 |
| AI companies in Nessebar | 1 |
| AI companies in Plovdiv | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “AI companies”, with match quality audited by blind human judging, and headquartered in Sofia, Bulgaria.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many ai companies are in the Sofia list?
The list contains 26 ai companies based in Sofia, Bulgaria.
Which city has the most ai companies on the list?
Sofia is the single most-represented city among the companies on the list.
Does the ai companies list include contact information?
Yes, the list includes 215 business contacts and 74 email addresses.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.