Company lists · Data verified August 2026

Top 25 Consulting firms based in Slovenia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 187 companies tracked

There are 187 consulting firms headquartered in Slovenia (RevenueBase, August 2026). RevenueBase tracks 1,107 professional contacts across them, including 455 with verified work emails and 34 with mobile numbers. Ljubljana is the largest hub.

This list covers consulting 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.

187Companies

1,107Contacts tracked

455Verified emails

34Mobile numbers

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The 25 largest consulting firms based in Slovenia

Ranked by team size

Top 25 of 187 consulting 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	Elea IC D.O.O	Ljubljana	51-200	89	74
2	Unija ETL Accounting Slovenija	Brezovica Pri Ljubljani	51-200	79	52
3	Kpmg Slovenija	Ljubljana Ljubljana	51-200	73	36
4	Herman & Partnerji	Ljubljana Ljubljana	11-50	40	25
5	FRODX	Ljubljana	11-50	33	23
6	Genis D.O.O	Kranj	11-50	32	24
7	BDO Slovenia	Ljubljana	51-200	30	24
8	Firstclass	Ljubljana	11-50	28	12
9	Tiko PRO	Maribor	11-50	27	15
10	A TAX International LTD	n/a	11-50	20	12
11	NETS	Kranj	1-10	19	5
12	Competo	Ljubljana	11-50	14	7
13	Processi	Ljubljana	11-50	13	12
14	Aragon D.O.O	Ljubljana	11-50	13	5
15	Corsapio D.O.O	Ljubljana	11-50	12	6
16	Vouk, Management Consulting	Trzin Domzale	11-50	10	8
17	Kadrovska Asistenca	Maribor	1-10	10	5
18	Pro-Bis	Hoce	1-10	9	3
19	Ipmit D.O.O	Ljubljana	11-50	8	5
20	BOC Institute	Ljubljana	1-10	6	2
21	Pdivision	Ljubljana	1-10	5	4
22	Simbased	n/a	1-10	5	4
23	KUPI	Ljubljana	11-50	5	1
24	Medias Kreativ	Petrovce	1-10	4	2
25	Allumen Partnerji	Ljubljana	11-50	3	2

Showing 25 of 187 consulting firms based in Slovenia

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Consulting firms based in Slovenia at a glance

As of Aug 28, 2026

1-10Median size (employees)

LjubljanaLargest hub · 92 HQs

34Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

157

11-50

51-200

Consulting firms by metro

Metro	Companies
Consulting firms in Ljubljana	92
Consulting firms in Maribor	9
Consulting firms in Ljubljana Ljubljana	7
Consulting firms in Kranj	7
Consulting firms in Nova Gorica	5
Consulting firms in Celje	3
Consulting firms in Sezana	3

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 “consulting 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 consulting firms are there based in Slovenia?

There are 187 consulting firms headquartered in Slovenia as of August 2026 (RevenueBase).

What is the largest company on this list?

Elea IC D.O.O, headquartered in Ljubljana, tops this list with the largest team on record.

Which city has the most consulting firms?

Ljubljana leads with 92 headquartered companies, followed by Maribor (9) and Ljubljana Ljubljana (7).

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 455 verified decision-maker contacts tracked across these 187 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.