Company lists · Data verified August 2026

Top 25 Digital advertising agencies based in Slovenia

Name: Digital advertising agencies based in Slovenia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 147 companies tracked

There are 147 digital advertising agencies headquartered in Slovenia (RevenueBase, August 2026). RevenueBase tracks 646 professional contacts across them, including 221 with verified work emails and 29 with mobile numbers. Ljubljana is the largest hub.

This list covers digital advertising agencies 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.

147Companies

646Contacts tracked

221Verified emails

29Mobile numbers

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The 25 largest digital advertising agencies based in Slovenia

Ranked by team size

Top 25 of 147 digital advertising agencies 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	Drom Agency	Ljubljana	11-50	40	25
2	IPROM	Ljubljana	51-200	37	29
3	Madwise	Ljubljana	11-50	23	16
4	Kokos Agency	Ljubljana	11-50	21	14
5	Flat Circle	Izola	11-50	21	10
6	sonce.net	n/a	11-50	19	6
7	RED Orbit	Ljubljana Ljubljana	11-50	17	7
8	Forward	Ljubljana	11-50	17	5
9	Acenta	Radovljica	1-10	14	10
10	Spletnik	Ljubljana	11-50	14	5
11	BID Bid, D.O.O	Ljubljana Ljubljana	11-50	10	3
12	Dinetix	Zalec	1-10	9	7
13	Freezbi Marketing Agency	Maribor	11-50	8	7
14	mmstudio.si	Ljubljana	1-10	7	3
15	Kraft&werk Creative Inbound Agency	Maribor	11-50	6	6
16	Spartan Agency	Ljubljana	1-10	6	1
17	YIN Young Ljubljana	Ljubljana Ljubljana	1-10	5	4
18	AS Digital Services	Ljubljana	1-10	5	3
19	Digimedia	Marezige	11-50	5	2
20	Medialog	Ljubljana	1-10	4	4
21	Erpium Creative Agency	Ljubljana	11-50	4	2
22	Cluekit	Novo Mesto	1-10	4	2
23	NIS Media D.O.O	Vrtojba Sempeter Pri Gorici	1-10	4	2
24	ND Group	Ljubljana	11-50	3	2
25	Agency Novelus Marketing	Maribor	11-50	2	1

Showing 25 of 147 digital advertising agencies based in Slovenia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 221 reachable decision-makers.

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Digital advertising agencies based in Slovenia at a glance

As of Aug 28, 2026

1-10Median size (employees)

LjubljanaLargest hub · 47 HQs

29Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

116

11-50

51-200

5,001-10,000

Digital advertising agencies by metro

Metro	Companies
Digital advertising agencies in Ljubljana	47
Digital advertising agencies in Maribor	17
Digital advertising agencies in Ljubljana Ljubljana	9
Digital advertising agencies in Celje	7
Digital advertising agencies in Novo Mesto	4
Digital advertising agencies in Kranj	4
Digital advertising agencies in Ptuj	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 “digital advertising agencies”, 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; 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 digital advertising agencies are there based in Slovenia?

There are 147 digital advertising agencies headquartered in Slovenia as of August 2026 (RevenueBase).

What is the largest company on this list?

Drom Agency, headquartered in Ljubljana, tops this list with the largest team on record.

Which city has the most digital advertising agencies?

Ljubljana leads with 47 headquartered companies, followed by Maribor (17) and Ljubljana Ljubljana (9).

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 221 verified decision-maker contacts tracked across these 147 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.