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Slovenia— SI

Company data in Slovenia, by industry

Browse Slovenia company directories across 56 industries — 253,825 businesses in the InfobelPRO database, registry-sourced from official Slovenia business registry and enriched with firmographics, location, financials and group structure.

253,825
Registered companies
PETROL d.d., Ljubljana
Largest company
Business and other management consultancy activities
Largest sector
28th
in Europe by count

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Rankings

Largest companies in Slovenia

By revenue, one row per corporate group — reported (actual) revenue, updated September 2026.

#Company (group)IndustryHQRevenue (USD)
1PETROL d.d., LjubljanaRetail sale of automotive fuel in specialised storesLiubliana$7.1B
2Gorenje, d.o.o.Manufacture of electric domestic appliancesVelenje$3.6B
3KRKA, d.d., Novo mestoManufacture of pharmaceutical preparationsNovo mesto$2.2B
4GEN-I, d.o.o.Electric power generation, transmission and distributionKrško$2.1B
5ZAVAROVALNICA TRIGLAV, d.d.Non-life insuranceLiubliana$1.9B
6NLB d.d.Other monetary intermediationLiubliana$1.7B
7Lek d.d.Manufacture of pharmaceutical preparationsLiubliana$1.7B
8KOLEKTOR d.d.Activities of holding companiesIdrija$1.4B
9Mercator d.o.o.Retail sale in non-specialised stores with food, beverages or tobacco predominatingLiubliana$1.4B
10SPAR SLOVENIJA d.o.o.Retail sale in non-specialised stores with food, beverages or tobacco predominatingLiubliana$1.2B
11IMPOL 2000 d.d.Aluminium productionSlovenska Bistrica$1.2B
12DILON d.o.o.Manufacture of basic iron and steel and of ferro-alloysJesenice$1.1B
13MOL SLOVENIJA d.o.o.Retail sale of automotive fuel in specialised storesMurska Sobota$1.1B
14Sava Re, d.d.Non-life insuranceLiubliana$1B
15Novartis d.o.o.Manufacture of pharmaceutical preparationsLiubliana$986M

Top 15 of 25 · REVOZ d.d., OTP banka d.d., SALUS, Ljubljana, d.d., PROTEJ d.o.o., PORSCHE SLOVENIJA, d.o.o., CT Management d.o.o., HOFER trgovina d.o.o., LIDL Slovenija d.o.o. k.d., LIDL Slovenija d.o.o., Kemofarmacija d.d. follow. Methodology →

PETROL d.d., Ljubljana leads by reported revenue at $7.1B, the largest of 25 ranked corporate groups.

Coverage

Companies by industry

The B2B industries we cover, ranked by number of companies. Each links to the full directory.

Construction companies
29,480
Manufacturing companies
20,529
Consulting companies
16,411
Distribution & wholesale
13,519
Software companies
9,492

+ 51 more industries below ↓

Construction companies is the most populated sector we cover, with 29,480 companies — 12% of Slovenia's 253,825 registered.

Distribution

Company size & revenue

By number of employees

1–4
229,108
5–9
13,252
10–19
6,450
20–49
3,435
50–99
1,165
100–199
566
200–499
308
500–999
135
1000+
79

The 1–4 band is shown with a broken bar — it is ~17× the next band; the smaller bands are scaled against each other so they stay readable. 735 companies have no disclosed headcount (excluded).

Around 90% of companies with disclosed headcount employ fewer than five people, so the market skews heavily toward micro-enterprises.

By revenue (local currency)

1–100K
150,318
100K-499K
65,285
500K-999K
10,960
1M-4.99M
10,238
5M-9.99M
1,881
10M-49.99M
1,580
50M-99.99M
224
100M-499.99M
191
500M-999.99M
33
1B+
18

14,505 companies have no disclosed revenue (excluded from the chart).

The most common disclosed-revenue band is 1–100K, covering 62% of companies with reported revenue.

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Geography

Where Slovenian companies are based

Distribution by region.

Osrednjeslovenska
90,187
Podravska
34,595
Savinjska
28,586
Gorenjska
25,098
Obalno-kraška
17,031

Osrednjeslovenska holds the largest regional share, with 35% of companies that have a disclosed region.

Group linkage

Corporate structure in Slovenia

How much of the market is part of a corporate group vs independent.

27%

Part of a corporate group

73%

Independent

27% of companies belong to a corporate group; the remaining 73% operate independently.

Corporate groups

Largest corporate groups in Slovenia

Slovenian-headquartered groups ranked by total group entities worldwide — a measure of corporate reach.

#GroupGroup entities (worldwide)
1RS3,008
2ZAVAROVALNICA TRIGLAV, d.d.59
3NLB d.d.56
4CT Management d.o.o.39
5ALFI SKLADI d.o.o.38
6Sava Re, d.d.37
7MS HOLDING d.o.o.31
8PETROL d.d., Ljubljana29
9GEN-I, d.o.o.25
10KOLEKTOR TECHNOLOGIES d.o.o.25

Group entities = total members of the corporate family worldwide, for groups whose ultimate parent is in Slovenia.

RS is the largest corporate group headquartered in Slovenia, with 3,008 entities worldwide.

Foreign ownership

Foreign-owned vs domestic

Among Slovenia's larger companies, the share ultimately controlled from abroad — and the leading countries of ownership.

42%

Foreign-owned

58%

Slovenian-owned

Leading countries of ownership

Germany
17.8%
Austria
14.6%
Switzerland
6.4%
Netherlands
6.4%
United States of America
6%

Shares calculated on the largest companies by revenue with ownership data available, not an absolute national figure.

Germany is the leading country of foreign ownership, at 17.8%.

FAQ

Slovenia company data — frequently asked questions

There are 253,825 registered companies in Slovenia across all sectors, from sole traders to large enterprises.
By reported revenue, PETROL d.d., Ljubljana is the largest company in Slovenia, followed by Gorenje, d.o.o. and KRKA, d.d., Novo mesto.
Business and other management consultancy activities, Activities of other membership organisations n.e.c., Other sports activities have the most registered companies.
You can request a free sample or access the full Slovenia database, filtered by industry, size, region and revenue, via InfobelPRO.
Sourced from the Infobel DaaS database. The largest-companies ranking is consolidated at corporate-group level (one row per group) and shows reported (actual) revenue in USD; modeled figures are excluded. Distributions cover all registered companies. Industry directories use a NACE-based B2B taxonomy. Last updated September 2026.

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