Company lists · Data verified August 2026

Top 25 Accounting firms based in Slovenia

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 71 companies tracked

There are 71 accounting firms headquartered in Slovenia (RevenueBase, August 2026). RevenueBase tracks 443 professional contacts across them, including 182 with verified work emails and 6 with mobile numbers. Ljubljana is the largest hub.

This list covers accounting 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.

71Companies

443Contacts tracked

182Verified emails

6Mobile numbers

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The 25 largest accounting firms based in Slovenia

Ranked by team size

Top 25 of 71 accounting 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	PWC Slovenia	Ljubljana	51-200	82	40
2	Unija ETL Accounting Slovenija	Brezovica Pri Ljubljani	51-200	79	52
3	BDO Slovenia	Ljubljana	51-200	30	24
4	A TAX International LTD	n/a	11-50	20	12
5	Konto D.O.O	Ljubljana	11-50	11	5
6	Contall D.O.O. Nova Gorica	Maribor	11-50	6	4
7	Mazars In Slovenia	Ljubljana	11-50	5	4
8	Protokorp D.O.O	Ljubljana	1-10	5	3
9	BV Finančna Skupina D.O.O	Ljubljana	1-10	5	2
10	Omibis D.O.O	Kranj	1-10	4	4
11	MOJ Računovodja D.O.O	Skofja Loka	11-50	4	3
12	Pisarna Kovac D.O.O	Domzale	1-10	4	2
13	Magola D.O.O	Postojna	1-10	4	2
14	Roha, Financno In Racunovodsko Svetovanje, D.O.O	Ljubljana	1-10	3	3
15	Rs-Biro D.O.O	Zalec	11-50	3	2
16	Simfin D.O.O	Slovenska Bistrica	11-50	3	2
17	Znajdi SE Računovodstvo	n/a	1-10	3	2
18	Agencija 5ka	Slovenske Konjice	1-10	3	2
19	T Menat D.O.O	Skofja Loka	1-10	3	2
20	UHY Revizija In Svetovanje D.O.O	Ljubljana	1-10	3	1
21	Mtm, D.O.O	Kranj	11-50	2	2
22	Vectigalis LTD	Novo Mesto	1-10	2	2
23	KER FIN D.O.O	Novo Mesto	1-10	2	2
24	Loris, D.O.O	Dravograd	1-10	2	1
25	Constantia Primia Revizijska Družba D.O.O	Ljubljana	1-10	2	1

Showing 25 of 71 accounting firms based in Slovenia

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Accounting firms based in Slovenia at a glance

As of Aug 28, 2026

1-10Median size (employees)

LjubljanaLargest hub · 28 HQs

6Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Accounting firms by metro

Metro	Companies
Accounting firms in Ljubljana	28
Accounting firms in Maribor	4
Accounting firms in Kranj	4
Accounting firms in Novo Mesto	3
Accounting firms in Slovenska Bistrica	2
Accounting firms in Skofja Loka	2
Accounting firms in Skofja Loka Skofja Loka	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 “accounting 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; 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 accounting firms are there based in Slovenia?

There are 71 accounting firms headquartered in Slovenia as of August 2026 (RevenueBase).

What is the largest company on this list?

PWC Slovenia, headquartered in Ljubljana, tops this list with the largest team on record.

Which city has the most accounting firms?

Ljubljana leads with 28 headquartered companies, followed by Maribor (4) and Kranj (4).

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 182 verified decision-maker contacts tracked across these 71 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.