Company lists · Data refreshed November 2026

Top 24 Systems integration and managed services based in Bulgaria

RevenueBase identified 178 company matches for systems integration and managed services associated with Bulgaria as of November 2026 and tracks 2,674 professional contacts across them, including 1,240 with verified work emails. Sofia is the largest hub.

This list covers company matches for systems integration and managed services associated with 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
178Companies
2,674Contacts tracked
1,240Verified emails
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The 24 largest systems integration and managed services based in Bulgaria

Ranked by team size
Top 24 of 178 company matches for systems integration and managed services based in Bulgaria, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSofia, BulgariaHQ recorded Nov 6, 2026501-1,000356 contacts →

Exact match

“Telelink Business Services is a technology service provider, offering consistent combinatorial IT solutions that serve various workloads in every infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSofia, BulgariaHQ recorded Nov 6, 2026501-1,000311 contacts →

Exact match

“Information Services is the National System Integrator of the Republic of Bulgaria and a trusted partner to the public administration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSofia, BulgariaHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“Kontrax Company was established in 1992 as an international holding of companies in six East European countries and headquarters in Budapest, Hungary.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“WorkNomads is a cross-domain engineering and digital solutions company helping organisations optimise operations, modernise production and build smarter, more connected systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Founded in 1998 in Sofia as an start-up expert company, nowadays CNSYS PLC is one of Bulgaria’s top five system integrators in terms of revenue, IT experience and successful…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“ROITI Ltd, part of the Dataciders Group, is a leading IT service provider with a focus on data and AI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchStudentski, BulgariaHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Ranked among the Top 5 system integrators and Top 50 ICT companies in Bulgaria, Paraflow Communications is an IT pioneer with over 30 years of proven enterprise expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5077 contacts →

Exact match

“COMSOFT Ltd is committed to integrity, loyalty and service quality as key issues in its business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Enterprise Communications Group Ltd.(founded in 2006 as Siemens Enterprise Communications Ltd.) is a leading integrator of the latest information and communication technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Welcome to Stone Computers AD, leading IT system integrator and cloud service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“ASAP is a Bulgarian technology company delivering strategic and impactful IT solutions since 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“We are a Business to Business (B2B) IT Services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMladost, BulgariaHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Think Smart is a fast-growing, trend-setting IT company completely customer-oriented founded in 2019.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchIzgrev, BulgariaHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Mnemonica is your trusted adviser that can take care of all aspects of your business, from information security to reliable data storage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchСофия, BulgariaHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Syscom is a Bulgarian ICT system integrator that designs, builds and supports reliable technology environments for businesses and public-sector organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Positioned on the market of highly technological products `Bulnex` AD prepares individual projects, installs hardware and software, provides warranty and post-warranty maintenance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5016 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
18Exact matchSofia, BulgariaHQ recorded Nov 6, 202611-5016 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
19Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Intracom Bulgaria S.A, established in 1995, is one of the most experienced professional companies providing ICT solutions in Bulgaria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“As organizations expand internationally, Microsoft Dynamics 365 must evolve beyond an ERP system into a future-ready business platform: one that supports global compliance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“CAD R&D CENTRE PROGRESS GROUP is a leading Bulgarian company with 40 years of experience in IT sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRemote, BulgariaHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“WIARA is a software company that blends custom development with ready-to-use solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSofia, BulgariaHQ recorded Nov 6, 202651-20012 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
24Exact matchSofia, BulgariaHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Established in 2002, Data Solutions Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 178 systems integration and managed services based in Bulgaria

See the full list, filter by size, metro and specialty, and access 1,240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems integration and managed services based in Bulgaria at a glance

As of Nov 6, 2026
46.4%Verified-email coverage
15.0Average contacts per company
11-50Median size (employees)
59.0%Largest-city concentration · Sofia
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
80
11-50
68
51-200
22
201-500
5
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Bulgaria, so it is reported there. Company counts and contact totals on this page are exact for Bulgaria, over 178 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 Bulgaria whose business descriptions match “systems integration and managed services” 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 1,240 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.

Systems integration and managed services by metro

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 and managed services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems integration and managed services are there based in Bulgaria?

RevenueBase identified 178 company matches for systems integration and managed services associated with 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?

Telelink Business Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most systems integration and managed services?

Sofia leads with 105 company records, followed by Varna (12) and Plovdiv (9).

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 1,240 professional contacts with verified work emails tracked across these 178 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.

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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.