Company lists · Data refreshed November 2026
Top 16 Systems integration contractors based in Sofia, Bulgaria
RevenueBase identified 47 company matches for systems integration contractors associated with Sofia, Bulgaria as of November 2026 and tracks 464 professional contacts across them, including 189 with verified work emails. Across Bulgaria, Sofia is the largest hub for this category.
This list covers company matches for systems integration contractors associated with Sofia, Bulgaria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 16 largest systems integration contractors based in Sofia, Bulgaria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 221 contacts → | ||||
Exact match “The Lirex.com companies are leaders in the information technology field.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 46 contacts → | ||||
Exact match “BL Consulting Ltd is a high-tech consulting company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 16 contacts → | ||||
Exact match “Meet SSARM - the fast growing IT, network, and security solutions system integrator focused on turnkey project delivery, professional and managed services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 16 contacts → | ||||
Exact match “IFD Engineering LTD – projects for warehouse automation, trade, production and services under one roof – effective and powerful IT solutions that work for you.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 12 contacts → | ||||
Exact match “Main trends of „Index Bulgaria” activities: System integration, delivery, installation and service of computer equipment by world leading manufacturers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 10 contacts → | ||||
Exact match “IT Services Bulgaria specializes in providing reliable and innovative business-oriented IT solutions and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 9 contacts → | ||||
Exact match “Innovasys Ltd is a software company established in 2005 by highly qualified specialists who made their occupation a lifestyle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “OUR VISION Continuously improving the operational performance and safety of the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Opsters helps businesses build scalable operational systems for a future that keeps moving.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “We guide our clients through each step of the digital transformation to help their business grow – from system design to launching and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 2 contacts → | ||||
Exact match “As a trusted system integrator, IT Works specializes in delivering comprehensive IT solutions that empower organizations to thrive in the digital era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 2 contacts → | ||||
Exact match “Web Systems is a software development company located in Sofia, Bulgaria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “Pro-Nova is a small company providing Web (and not only) solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match “Calderra Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “OmniChannel BG (operated by Smartad Ltd.) is Bulgaria’s leading digital signage system integrator, providing end-to-end software, hardware, and content solutions since 2011.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “We specialize in delivering technology-driven services, solutions, and products to both organizations and individuals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “systems integration contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 16 of 47 systems integration contractors based in Sofia, Bulgaria
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Systems integration contractors based in Sofia, Bulgaria at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole Bulgaria list rather than for Sofia, so it is reported there. Company counts and contact totals on this page are exact for Sofia, over 47 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Sofia, Bulgaria whose business descriptions match “systems integration contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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
- Every displayed company carries at least one verified work email. RevenueBase tracks 189 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “systems integration contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many systems integration contractors are there based in Sofia, Bulgaria?
RevenueBase identified 47 company matches for systems integration contractors associated with Sofia, Bulgaria as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Lirex COM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Bulgaria has the most systems integration contractors?
Sofia leads Bulgaria with 47 company records, followed by Varna (6) and Burgas (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 189 professional contacts with verified work emails tracked across these 47 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 47 systems integration contractors based in Sofia, Bulgaria. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 16 systems integration contractors based in Sofia, Bulgaria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 47 matching company records for systems integration contractors based in Sofia, Bulgaria, with 464 tracked contacts and 189 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 16 systems integration contractors based in Sofia, Bulgaria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Lirex COMlirex.comHQ: Sofia, BulgariaReported employees: 201-500 | Sofia, Bulgaria | 201-500 | Exact match | 221 contacts → |
“The Lirex.com companies are leaders in the information technology field.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  BL Consulting LTDbl-consulting.netHQ: Sofia, BulgariaReported employees: Not recorded | Sofia, Bulgaria | Not recorded | Exact match | 46 contacts → |
“BL Consulting Ltd is a high-tech consulting company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ssarm LTDssarm.bgHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 16 contacts → |
“Meet SSARM - the fast growing IT, network, and security solutions system integrator focused on turnkey project delivery, professional and managed services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  IFD Engineering Joint Ventureifd-sofia.comHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 16 contacts → |
“IFD Engineering LTD – projects for warehouse automation, trade, production and services under one roof – effective and powerful IT solutions that work for you.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Index-Bulgaria LTDindexbg.bgHQ: Sofia, BulgariaReported employees: 51-200 | Sofia, Bulgaria | 51-200 | Exact match | 12 contacts → |
“Main trends of „Index Bulgaria” activities: System integration, delivery, installation and service of computer equipment by world leading manufacturers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  IT Services Bulgariaitservices.bgHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 10 contacts → |
“IT Services Bulgaria specializes in providing reliable and innovative business-oriented IT solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Innovasys LTDinnovasys-bg.comHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 9 contacts → |
“Innovasys Ltd is a software company established in 2005 by highly qualified specialists who made their occupation a lifestyle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Smartsys LTDsmartsys.bgHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 8 contacts → |
“OUR VISION Continuously improving the operational performance and safety of the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Opstersopsters.comHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 6 contacts → |
“Opsters helps businesses build scalable operational systems for a future that keeps moving.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Actegroactegro.comHQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 3 contacts → |
“We guide our clients through each step of the digital transformation to help their business grow – from system design to launching and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | IT Worksitworks.bg HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 2 contacts → |
“As a trusted system integrator, IT Works specializes in delivering comprehensive IT solutions that empower organizations to thrive in the digital era.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  WEB Systems LTDwebsystems.bgHQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 2 contacts → |
“Web Systems is a software development company located in Sofia, Bulgaria.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Pro-Nova Creative LTDpro-nova.euHQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 2 contacts → |
“Pro-Nova is a small company providing Web (and not only) solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Calderracalderra.comHQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 1 contacts → |
“Calderra Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Omnichannel BGomnichannel.bgHQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 1 contacts → |
“OmniChannel BG (operated by Smartad Ltd.) is Bulgaria’s leading digital signage system integrator, providing end-to-end software, hardware, and content solutions since 2011.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Epicon Technologyepicon.techHQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 1 contacts → |
“We specialize in delivering technology-driven services, solutions, and products to both organizations and individuals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 47 company matches
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Systems integration contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
47 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Bulgaria list rather than for Sofia, so it is reported there. Company counts and contact totals on this page are exact for Sofia, over 47 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for systems integration contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many systems integration contractors did RevenueBase find based in Sofia, Bulgaria?
The saved snapshot records 47 matching company records, 464 tracked contacts and 189 verified emails. The public preview displays 16 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Systems integration contractors by geography
- Systems integration contractors based in Buenos Aires, Argentina
- Systems integration contractors based in Cordoba, Argentina
- Systems integration contractors based in Yerevan, Armenia
- Systems integration contractors based in Adelaide, Australia
- Systems integration contractors based in Brisbane, Australia
- Systems integration contractors based in Melbourne, Australia
- Systems integration contractors based in Perth, Australia
- Systems integration contractors based in Sydney, Australia
- Systems integration contractors based in Vienna, Austria
- Systems integration contractors based in Baku, Azerbaijan
- Systems integration contractors based in Dhaka, Bangladesh
- Systems integration contractors based in Barueri, Brazil
Cite this list
RevenueBase Data Team. Top 16 systems integration contractors based in Sofia, Bulgaria. Snapshot: November 6, 2026. https://revenuebase.ai/companies/systems-integration-contractors/bulgaria/sofia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 16 systems integration contractors based in Sofia, Bulgaria
RevenueBase records 47 matching company records for systems integration contractors based in Sofia, Bulgaria, with 464 tracked contacts and 189 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 16 systems integration contractors based in Sofia, Bulgaria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Lirex COMlirex.com HQ: Sofia, BulgariaReported employees: 201-500 | Sofia, Bulgaria | 201-500 | Exact match | 221 contacts → |
“The Lirex.com companies are leaders in the information technology field.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | BL Consulting LTDbl-consulting.net HQ: Sofia, BulgariaReported employees: Not recorded | Sofia, Bulgaria | Not recorded | Exact match | 46 contacts → |
“BL Consulting Ltd is a high-tech consulting company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ssarm LTDssarm.bg HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 16 contacts → |
“Meet SSARM - the fast growing IT, network, and security solutions system integrator focused on turnkey project delivery, professional and managed services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | IFD Engineering Joint Ventureifd-sofia.com HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 16 contacts → |
“IFD Engineering LTD – projects for warehouse automation, trade, production and services under one roof – effective and powerful IT solutions that work for you.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Index-Bulgaria LTDindexbg.bg HQ: Sofia, BulgariaReported employees: 51-200 | Sofia, Bulgaria | 51-200 | Exact match | 12 contacts → |
“Main trends of „Index Bulgaria” activities: System integration, delivery, installation and service of computer equipment by world leading manufacturers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IT Services Bulgariaitservices.bg HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 10 contacts → |
“IT Services Bulgaria specializes in providing reliable and innovative business-oriented IT solutions and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Innovasys LTDinnovasys-bg.com HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 9 contacts → |
“Innovasys Ltd is a software company established in 2005 by highly qualified specialists who made their occupation a lifestyle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Smartsys LTDsmartsys.bg HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 8 contacts → |
“OUR VISION Continuously improving the operational performance and safety of the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Opstersopsters.com HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 6 contacts → |
“Opsters helps businesses build scalable operational systems for a future that keeps moving.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Actegroactegro.com HQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 3 contacts → |
“We guide our clients through each step of the digital transformation to help their business grow – from system design to launching and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | IT Worksitworks.bg HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 2 contacts → |
“As a trusted system integrator, IT Works specializes in delivering comprehensive IT solutions that empower organizations to thrive in the digital era.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | WEB Systems LTDwebsystems.bg HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 2 contacts → |
“Web Systems is a software development company located in Sofia, Bulgaria.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Pro-Nova Creative LTDpro-nova.eu HQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 2 contacts → |
“Pro-Nova is a small company providing Web (and not only) solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Calderracalderra.com HQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 1 contacts → |
“Calderra Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Omnichannel BGomnichannel.bg HQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 1 contacts → |
“OmniChannel BG (operated by Smartad Ltd.) is Bulgaria’s leading digital signage system integrator, providing end-to-end software, hardware, and content solutions since 2011.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Epicon Technologyepicon.tech HQ: Sofia, BulgariaReported employees: 1-10 | Sofia, Bulgaria | 1-10 | Exact match | 1 contacts → |
“We specialize in delivering technology-driven services, solutions, and products to both organizations and individuals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 47 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Systems integration contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
47 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Bulgaria list rather than for Sofia, so it is reported there. Company counts and contact totals on this page are exact for Sofia, over 47 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for systems integration contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many systems integration contractors did RevenueBase find based in Sofia, Bulgaria?
The saved snapshot records 47 matching company records, 464 tracked contacts and 189 verified emails. The public preview displays 16 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 16 systems integration contractors based in Sofia, Bulgaria. Snapshot: November 6, 2026. https://revenuebase.ai/companies/systems-integration-contractors/bulgaria/sofia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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