Company lists · Data verified August 2026

Top 22 Ad tech software companies based in Barcelona, Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 44 companies tracked

There are 44 ad tech software companies headquartered in Barcelona, Spain (RevenueBase, August 2026). RevenueBase tracks 855 professional contacts across them, including 291 with verified work emails and 29 with mobile numbers. Madrid is the largest hub.

This list covers ad tech software companies headquartered in Barcelona, Spain, 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.

44Companies

855Contacts tracked

291Verified emails

29Mobile numbers

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The 22 largest ad tech software companies based in Barcelona, Spain

Ranked by team size

Top 22 of 44 ad tech software companies based in Barcelona, Spain, 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	Smadex	Barcelona	501-1,000	237	109
2	Exoclick	Barcelona	51-200	107	34
3	Antevenio	Barcelona	51-200	77	10
4	Doubleyou	Barcelona	51-200	57	11
5	Tappx With Techsoulogy	Barcelona	51-200	56	27
6	Opti Digital	Barcelona	11-50	40	7
7	Birch EX Revealbot	Barcelona	11-50	33	16
8	Media Adgo	Barcelona	11-50	32	7
9	Optima	Barcelona	51-200	28	14
10	Twinred	Barcelona	11-50	26	17
11	Opticks	Barcelona	11-50	18	7
12	Anonymised	Barcelona	11-50	17	10
13	Astrad	Barcelona	11-50	15	1
14	Adsplanning. Agencia DE Marketing Digital	Barcelona	1-10	14	5
15	Konodrac	Barcelona	1-10	11	4
16	Beapolo	Barcelona	1-10	8	2
17	Targetoo	Barcelona	11-50	7	3
18	Optima Media S.L	Barcelona	11-50	7	1
19	Digidum	Barcelona	1-10	3	2
20	Pushground Push Advertising Platform	Barcelona	1-10	3	2
21	Doxaclick	Barcelona	1-10	3	1
22	Bored EYE Media	Barcelona	1-10	1	1

Showing 22 of 44 ad tech software companies based in Barcelona, Spain

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Ad tech software companies based in Barcelona, Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 83 HQs

29Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Ad tech software companies by metro in Spain

Metro	Companies
Ad tech software companies in Madrid	83
Ad tech software companies in Barcelona	44
Ad tech software companies in Marbella	3
Ad tech software companies in Malaga	2
Ad tech software companies in Santa Cruz De Tenerife	2
Ad tech software companies in Vitoria-Gasteiz	2
Ad tech software companies in Pozuelo De Alarcon	2

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 Barcelona, Spain.
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; 2 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 Barcelona, Spain?

There are 44 ad tech software companies headquartered in Barcelona, Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Smadex, headquartered in Barcelona, tops this list with the largest team on record.

Which city has the most ad tech software companies?

Madrid leads with 83 headquartered companies, followed by Barcelona (44) and Marbella (3).

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 291 verified decision-maker contacts tracked across these 44 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.