Company lists · Data verified August 2026

Top 16 Ad tech software companies based in Czechia

Name: Ad tech software companies based in Czechia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 ad tech software companies headquartered in Czechia (RevenueBase, August 2026). RevenueBase tracks 411 professional contacts across them, including 181 with verified work emails and 6 with mobile numbers. Prague is the largest hub.

This list covers ad tech software companies headquartered in Czechia, 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.

34Companies

411Contacts tracked

181Verified emails

6Mobile numbers

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The 16 largest ad tech software companies based in Czechia

Ranked by team size

Top 16 of 34 ad tech software companies based in Czechia, 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	Project Agora, A TDG Company	Prague	51-200	94	60
2	Business Factory	Brno	51-200	86	39
3	Clickadu	Prague	51-200	50	13
4	R2b2 AD Monetization Partner	n/a	11-50	28	18
5	performax.cz	n/a	11-50	17	11
6	Impression Media	n/a	11-50	17	5
7	CRUXO	n/a	11-50	13	12
8	Selltoro	Prague	11-50	11	2
9	Traffic Factory	Prague	11-50	9	4
10	Czech Publisher Exchange Cpex	Prague	1-10	8	6
11	Grapemedia S.R.O	n/a	1-10	3	2
12	Cerebroad	Praha	1-10	3	1
13	Programmatic S.R.O	Prague	1-10	2	2
14	Groupm Czech Republic	Hlavni Mesto Praha	201-500	2	1
15	Agentura Najisto Economia, A.S	n/a	51-200	2	1
16	Topdealad	Prague	11-50	2	1

Showing 16 of 34 ad tech software companies based in Czechia

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Ad tech software companies based in Czechia at a glance

As of Aug 28, 2026

11-50Median size (employees)

PragueLargest hub · 15 HQs

6Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Ad tech software companies by metro

Metro	Companies
Ad tech software companies in Prague	15
Ad tech software companies in Brno	2
Ad tech software companies in Praha	2
Ad tech software companies in Dolni Brezany	1
Ad tech software companies in Karlovy Vary	1
Ad tech software companies in Nove	1
Ad tech software companies in Cela Cr	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 “ad tech software companies”, with match quality audited by blind human judging, and headquartered in Czechia.
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 ad tech software companies are there based in Czechia?

There are 34 ad tech software companies headquartered in Czechia as of August 2026 (RevenueBase).

What is the largest company on this list?

Project Agora, A TDG Company, headquartered in Prague, tops this list with the largest team on record.

Which city has the most ad tech software companies?

Prague leads with 15 headquartered companies, followed by Brno (2) and Praha (2).

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 181 verified decision-maker contacts tracked across these 34 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.