Company lists · Data verified August 2026

Top 25 Custom business software developers based in Hungary

Name: Custom business software developers based in Hungary
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 153 companies tracked

There are 153 custom business software developers headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 1,163 professional contacts across them, including 479 with verified work emails and 16 with mobile numbers. Budapest is the largest hub.

This list covers custom business software developers headquartered in Hungary, 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.

153Companies

1,163Contacts tracked

479Verified emails

16Mobile numbers

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The 25 largest custom business software developers based in Hungary

Ranked by team size

Top 25 of 153 custom business software developers based in Hungary, 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	Isys-On Information Consulting LTD	Budapest	51-200	65	7
2	Kulcs-Soft	n/a	51-200	61	25
3	Mikrum	Budapest	51-200	57	47
4	Allwin Informatika	Budapest	51-200	50	40
5	Revolution Software	Budapest	51-200	47	39
6	Progen KFT	Budapest	51-200	41	33
7	GG Development KFT	Budapest	11-50	29	21
8	Vision-Software	n/a	11-50	29	20
9	Pro-Sharp Hungary	Budapest	11-50	27	21
10	Libra Szoftver ZRT	n/a	51-200	26	8
11	Ixenit LTD	n/a	11-50	25	23
12	Avander Software Development	Budapest	11-50	25	13
13	Montana Knowledge Management	Budapest	11-50	24	14
14	E-Corvina KFT	n/a	11-50	17	15
15	Insiron Informatika KFT	n/a	11-50	14	10
16	Mirango Information Technologies LTD	Budapest	11-50	13	1
17	Berries And Company	Budapest	11-50	12	8
18	Skyline Computer LTD	Kecskemet	11-50	11	7
19	Corvex Business Solutions LTD	Debrecen	51-200	11	2
20	Eniac Computing	Budapest	11-50	10	7
21	Initon Consulting & Solutions	n/a	11-50	10	4
22	Datamagic KFT	Szigetszentmiklos	11-50	10	1
23	Future Of Media KFT	Budapest	11-50	9	6
24	Soulware LTD	n/a	11-50	9	4
25	IDYA	n/a	11-50	8	6

Showing 25 of 153 custom business software developers based in Hungary

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Custom business software developers based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 60 HQs

16Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Custom business software developers by metro

Metro	Companies
Custom business software developers in Budapest	60
Custom business software developers in Kecskemet	8
Custom business software developers in Debrecen	6
Custom business software developers in Szeged	6
Custom business software developers in Pecs	5
Custom business software developers in Gyor	5
Custom business software developers in Nyiregyhaza	4

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 business software developers”, with match quality audited by blind human judging, and headquartered in Hungary.
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 custom business software developers are there based in Hungary?

There are 153 custom business software developers headquartered in Hungary as of August 2026 (RevenueBase).

What is the largest company on this list?

Isys-On Information Consulting LTD, headquartered in Budapest, tops this list with the largest team on record.

Which city has the most custom business software developers?

Budapest leads with 60 headquartered companies, followed by Kecskemet (8) and Debrecen (6).

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 479 verified decision-maker contacts tracked across these 153 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.