Company lists · Data verified August 2026

Top 25 Custom software development firms based in Slovenia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 85 companies tracked

There are 85 custom software development firms headquartered in Slovenia (RevenueBase, August 2026). RevenueBase tracks 1,151 professional contacts across them, including 349 with verified work emails and 32 with mobile numbers. Ljubljana is the largest hub.

This list covers custom software development firms headquartered in Slovenia, 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.

85Companies

1,151Contacts tracked

349Verified emails

32Mobile numbers

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The 25 largest custom software development firms based in Slovenia

Ranked by team size

Top 25 of 85 custom software development firms based in Slovenia, 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	Editor	Solkan Nova Gorica	n/a	466	1
2	Agitavit Solutions	Ljubljana	51-200	91	54
3	Equaleyes	Maribor	51-200	69	53
4	Setronica	Ljubljana	51-200	62	18
5	Creatim	Sencur Kranj	11-50	33	28
6	Clever Craft D.O.O	Ljubljana	51-200	33	21
7	Aldia D.O.O	Ljubljana	11-50	26	3
8	Maop Computer Engineering D.O.O	Ljubljana	11-50	23	19
9	Lucis D.O.O	Ljubljana	11-50	23	17
10	INDEN	Ljubljana	11-50	20	9
11	Infincube	Ljubljana Ljubljana	11-50	17	1
12	PIA Informacijski Sistemi In Storitve D.O.O	Velenje	11-50	16	16
13	Imagine D.O.O	Maribor	11-50	15	13
14	Digiverse	Skofljica	11-50	14	4
15	Iplus D.O.O	Skofja Loka Skofja Loka	11-50	13	7
16	Spartan Development D.O.O	Ljubljana Ljubljana	1-10	11	10
17	Bela Supernova	Ljubljana	201-500	11	2
18	Zerodays	Ljubljana	1-10	9	9
19	Dotcom D.O.O	Sezana	11-50	9	6
20	Devleet	Ljubljana	11-50	8	7
21	Lunalabs	Maribor	1-10	8	4
22	Progmbh D.O.O	Ljubljana	11-50	7	6
23	Isa.It D.O.O	Ljubljana	11-50	7	5
24	Inin D.O.O	Murska Sobota	11-50	6	5
25	Roakon	Maribor	1-10	6	2

Showing 25 of 85 custom software development firms based in Slovenia

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Custom software development firms based in Slovenia at a glance

As of Aug 28, 2026

1-10Median size (employees)

LjubljanaLargest hub · 31 HQs

32Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Custom software development firms by metro

Metro	Companies
Custom software development firms in Ljubljana	31
Custom software development firms in Maribor	11
Custom software development firms in Murska Sobota	3
Custom software development firms in Kamnik	2
Custom software development firms in Ljubljana Crnuce	2
Custom software development firms in Ljubljana Ljubljana	2
Custom software development firms in Celje	2

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 firms”, with match quality audited by blind human judging, and headquartered in Slovenia.
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; 2 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 firms are there based in Slovenia?

There are 85 custom software development firms headquartered in Slovenia as of August 2026 (RevenueBase).

What is the largest company on this list?

Editor, headquartered in Solkan Nova Gorica, tops this list with the largest team on record.

Which city has the most custom software development firms?

Ljubljana leads with 31 headquartered companies, followed by Maribor (11) and Murska Sobota (3).

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 349 verified decision-maker contacts tracked across these 85 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.