Company lists · Data verified August 2026

Top 25 Custom software development companies based in Bulgaria

Name: Custom software development companies based in Bulgaria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 310 companies tracked

There are 310 custom software development companies headquartered in Bulgaria (RevenueBase, August 2026). RevenueBase tracks 4,400 professional contacts across them, including 1,508 with verified work emails and 74 with mobile numbers. Sofia is the largest hub.

This list covers custom software development 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.

310Companies

4,400Contacts tracked

1,508Verified emails

74Mobile numbers

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The 25 largest custom software development companies based in Bulgaria

Ranked by team size

Top 25 of 310 custom software development 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	dev.pro	Plovdiv	501-1,000	1,007	461
2	Nemetschek Bulgaria	Varna	201-500	325	247
3	Dreamix	Sofia	201-500	255	168
4	Freshcode	Sofia	51-200	147	54
5	NEW Line Technologies	Plovdiv	51-200	87	10
6	Crossroad	Sofia	11-50	62	13
7	Plan A	n/a	11-50	50	32
8	Hacksoft	Sofia	51-200	47	28
9	OSI	Sofia	51-200	46	38
10	Denshi	Sofia	11-50	42	25
11	Orak Engineering	Sofia	51-200	40	1
12	Tumba Solutions	Sofia	11-50	39	8
13	Binerals	Sofia	51-200	32	11
14	Sirius Software	Sofia	11-50	31	17
15	Brain Stars Technology	Varna	11-50	29	18
16	Devision	Sofia	51-200	29	10
17	SQA Service	Plovdiv	11-50	29	10
18	Icygen	Sofia	51-200	25	8
19	Dextrasoft	Sofia City	11-50	24	20
20	Donatix	Sofia	11-50	24	11
21	Amexis	Sofia	11-50	19	16
22	Kodin Soft	Sofia	11-50	18	13
23	Elders LTD	Plovdiv	11-50	18	11
24	Intellisoft	Sofia	51-200	18	1
25	DSI	Sofia	11-50	17	3

Showing 25 of 310 custom software development companies based in Bulgaria

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Custom software development companies based in Bulgaria at a glance

As of Aug 28, 2026

11-50Median size (employees)

SofiaLargest hub · 139 HQs

74Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

153

11-50

122

51-200

201-500

501-1,000

Custom software development companies by metro

Metro	Companies
Custom software development companies in Sofia	139
Custom software development companies in Sofia City	30
Custom software development companies in Plovdiv	28
Custom software development companies in Varna	27
Custom software development companies in Burgas	11
Custom software development companies in Veliko Tarnovo	8
Custom software development companies in Ruse	5

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 “custom software development 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; 7 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 custom software development companies are there based in Bulgaria?

There are 310 custom software development companies headquartered in Bulgaria as of August 2026 (RevenueBase).

What is the largest company on this list?

dev.pro, headquartered in Plovdiv, tops this list with the largest team on record.

Which city has the most custom software development companies?

Sofia leads with 139 headquartered companies, followed by Sofia City (30) and Plovdiv (28).

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 1,508 verified decision-maker contacts tracked across these 310 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.