Company lists · Data verified August 2026

Top 25 Advertising agencies based in Slovakia

Name: Advertising agencies based in Slovakia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 183 companies tracked

There are 183 advertising agencies headquartered in Slovakia (RevenueBase, August 2026). RevenueBase tracks 1,337 professional contacts across them, including 391 with verified work emails and 20 with mobile numbers. Bratislava is the largest hub.

This list covers advertising agencies headquartered in Slovakia, 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.

183Companies

1,337Contacts tracked

391Verified emails

20Mobile numbers

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The 25 largest advertising agencies based in Slovakia

Ranked by team size

Top 25 of 183 advertising agencies based in Slovakia, 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	Zaraguza	Bratislava	51-200	105	50
2	Triad Advertising	Bratislava	51-200	87	40
3	Istropolitana Ogilvy	Bratislava	11-50	56	44
4	Mullenlowe GGK Slovensko	Bratislava	11-50	50	2
5	Wiktor LEO Burnett	Bratislava	51-200	38	21
6	Starmedia	Bratislava	11-50	32	19
7	Dentsu Slovakia	Bratislava	11-50	29	14
8	ELITE	Bratislava	11-50	27	3
9	Zenith Slovakia	Bratislava Of Bratislava	11-50	25	20
10	Unimedia	Bratislava	11-50	23	17
11	EFFE	Bratislava	11-50	23	9
12	Digitalcare	Bratislava	51-200	22	5
13	OMD Slovakia	n/a	11-50	21	1
14	Mayer Mccann Bratislava	Bratislava	11-50	15	11
15	2create Beyond Marketing	Bratislava	11-50	15	9
16	Diorama	Bratislava	11-50	15	4
17	Core4 Advertising	Bratislava	11-50	14	5
18	Skpr Strategies	Bratislava	11-50	11	8
19	Fúúdobre	Tvrdosin Zilina	11-50	11	7
20	Respect APP	Bratislava	11-50	11	6
21	Volis International	Bratislava	11-50	11	6
22	Barney Studio	Bratislava	11-50	11	2
23	Panmedia Western Bratislava	Bratislava	11-50	10	8
24	Harton	Slovany Of Bratislava	11-50	9	7
25	Mindshare Slovakia	Bratislava	11-50	9	6

Showing 25 of 183 advertising agencies based in Slovakia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 391 reachable decision-makers.

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Advertising agencies based in Slovakia at a glance

As of Aug 28, 2026

1-10Median size (employees)

BratislavaLargest hub · 112 HQs

20Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

112

11-50

51-200

201-500

5,001-10,000

Advertising agencies by metro

Metro	Companies
Advertising agencies in Bratislava	112
Advertising agencies in Kosice	12
Advertising agencies in Zilina	8
Advertising agencies in Trnava	3
Advertising agencies in Trencin	3
Advertising agencies in Banska Bystrica	3
Advertising agencies in Nitra	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 “advertising agencies”, with match quality audited by blind human judging, and headquartered in Slovakia.
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; 3 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 advertising agencies are there based in Slovakia?

There are 183 advertising agencies headquartered in Slovakia as of August 2026 (RevenueBase).

What is the largest company on this list?

Zaraguza, headquartered in Bratislava, tops this list with the largest team on record.

Which city has the most advertising agencies?

Bratislava leads with 112 headquartered companies, followed by Kosice (12) and Zilina (8).

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 391 verified decision-maker contacts tracked across these 183 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.