Company lists · Data verified August 2026

Top 10 Data architecture consulting firms based in Bulgaria

Name: Data architecture consulting firms 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 data architecture consulting firms headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 944 professional contacts across them, including 481 with verified work emails and 102 with mobile numbers. Sofia is the largest hub.

This list covers data architecture consulting firms 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

944Contacts tracked

481Verified emails

102Mobile numbers

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The 10 largest data architecture consulting firms based in Bulgaria

Ranked by team size

Top 10 of 34 data architecture consulting firms 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	Mentormate	Veliko Tarnovo	1,001-5,000	638	339
2	Analytics8 Data & Analytics Consultancy	Sofia	51-200	142	90
3	Estafet	n/a	51-200	56	25
4	Latona	Sofia	11-50	33	4
5	Cosmos Thrace	Sofia	11-50	21	15
6	Infomera LTD	Sofia	1-10	5	2
7	Rueger Consulting	Sofia	11-50	4	2
8	Clouddo	Varna	1-10	4	2
9	Stag Consulting Gmbh	Sofia	1-10	1	1
10	Inbytes	Sofia	1-10	1	1

Showing 10 of 34 data architecture consulting firms based in Bulgaria

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Data architecture consulting firms based in Bulgaria at a glance

As of Aug 28, 2026

1-10Median size (employees)

SofiaLargest hub · 27 HQs

102Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Data architecture consulting firms by metro

Metro	Companies
Data architecture consulting firms in Sofia	27
Data architecture consulting firms in Sofia City	3
Data architecture consulting firms in Veliko Tarnovo	1
Data architecture consulting firms in Varna	1
Data architecture consulting firms 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 “data architecture consulting firms”, 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; 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 data architecture consulting firms are there based in Bulgaria?

There are 34 data architecture consulting firms headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

Mentormate, headquartered in Veliko Tarnovo, tops this list with the largest team on record.

Which city has the most data architecture consulting firms?

Sofia leads with 27 headquartered companies, followed by Sofia City (3) and Veliko Tarnovo (1).

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 481 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.