Company lists · Data verified August 2026

Top 15 Cloud architecture companies based in Bulgaria

Name: Cloud architecture companies based in Bulgaria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 cloud architecture companies headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 573 professional contacts across them, including 153 with verified work emails and 5 with mobile numbers. Sofia is the largest hub.

This list covers cloud architecture companies headquartered in Bulgaria, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

34Companies

573Contacts tracked

153Verified emails

5Mobile numbers

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The 15 largest cloud architecture companies based in Bulgaria

Ranked by team size

Top 15 of 34 cloud architecture companies based in Bulgaria, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Cloud Office	n/a	51-200	68	28
2	Itgix LTD	Sofia	51-200	61	37
3	Efellows	Sofia	51-200	46	32
4	Stone Computers AD	Sofia	51-200	34	18
5	Zetta Systems	n/a	11-50	30	7
6	Europe Cloud	Sofia City	11-50	29	2
7	Solitex IBS	Sofia	11-50	16	3
8	Technofy	Sofia	11-50	14	6
9	R&d Solutions LTD	Sofia	11-50	11	4
10	Several Clouds	Sofia	1-10	10	1
11	oblak.bg	Sofiia Sofiia	11-50	9	6
12	Infrapro Services	Sofia	1-10	9	5
13	Belcloud LTD	Sofia	11-50	7	1
14	Interstellar Solutions	Sofia	11-50	4	2
15	Cloud Solutions	n/a	1-10	4	1

Showing 15 of 34 cloud architecture companies based in Bulgaria

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Cloud architecture companies based in Bulgaria at a glance

As of Aug 28, 2026

11-50Median size (employees)

SofiaLargest hub · 18 HQs

5Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cloud architecture companies by metro

Metro	Companies
Cloud architecture companies in Sofia	18
Cloud architecture companies in Sofia City	3
Cloud architecture companies in Burgas	2
Cloud architecture companies in Veliko Tarnovo	1
Cloud architecture companies in Varna	1
Cloud architecture companies in Sofia-City	1
Cloud architecture companies in Blagoevgrad	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 “cloud architecture companies”, with match quality audited by blind human judging, and headquartered in 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; 0 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 cloud architecture companies are there based in Bulgaria?

There are 34 cloud architecture companies headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

Cloud Office, headquartered in Bulgaria, tops this list with the largest team on record.

Which city has the most cloud architecture companies?

Sofia leads with 18 headquartered companies, followed by Sofia City (3) and Burgas (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 153 verified decision-maker contacts tracked across these 34 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.