Company lists · Data verified August 2026

Top 25 Ad tech platforms based in Madrid, Spain

Name: Ad tech platforms based in Madrid, Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 95 companies tracked

There are 95 ad tech platforms headquartered in Madrid, Spain (RevenueBase, August 2026). RevenueBase tracks 2,463 professional contacts across them, including 599 with verified work emails and 64 with mobile numbers. Madrid is the largest hub.

This list covers ad tech platforms headquartered in Madrid, 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.

95Companies

2,463Contacts tracked

599Verified emails

64Mobile numbers

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The 25 largest ad tech platforms based in Madrid, Spain

Ranked by team size

Top 25 of 95 ad tech platforms based in Madrid, 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	Adsmurai	Madrid	201-500	451	145
2	EXTE	Madrid	201-500	261	109
3	Kimia Group	Madrid	51-200	260	16
4	Vidoomy	Madrid	201-500	112	33
5	Havas Digital	Madrid	1,001-5,000	101	3
6	Arkeero	Madrid	51-200	95	33
7	Mediasmart	Madrid	51-200	77	32
8	Refinery89	Madrid	51-200	71	42
9	Evolution Group	Madrid	51-200	51	23
10	Illumin EU & Latam	Madrid	201-500	33	8
11	Teavaro	Madrid	11-50	31	17
12	Setupad	Madrid	51-200	29	18
13	CAVAI	Madrid	11-50	26	13
14	INLAB	Madrid	11-50	24	10
15	Appcelerate	Madrid	11-50	24	2
16	biddeo.io	Madrid	11-50	19	5
17	Linkadia	Madrid	11-50	19	3
18	Adjinn	Madrid	11-50	18	13
19	Tradedoubler España & Latam	Madrid	501-1,000	17	10
20	Embi Media	Madrid	11-50	17	9
21	Brain360	Madrid	11-50	17	2
22	Adport	Madrid	11-50	12	4
23	Ascendmakers	Madrid	11-50	12	2
24	E-Retail Advertising	Madrid	11-50	11	2
25	Targetopia	Madrid	11-50	11	1

Showing 25 of 95 ad tech platforms based in Madrid, Spain

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Ad tech platforms based in Madrid, Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 95 HQs

64Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Ad tech platforms by metro in Spain

Metro	Companies
Ad tech platforms in Madrid	95
Ad tech platforms in Barcelona	53
Ad tech platforms in Valencia	4
Ad tech platforms in Marbella	3
Ad tech platforms in Pozuelo De Alarcon	3
Ad tech platforms in Las Rozas De Madrid	3
Ad tech platforms in Santa Cruz De Tenerife	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 platforms”, with match quality audited by blind human judging, and headquartered in Madrid, 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; 5 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 platforms are there based in Madrid, Spain?

There are 95 ad tech platforms headquartered in Madrid, Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Adsmurai, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most ad tech platforms?

Madrid leads with 95 headquartered companies, followed by Barcelona (53) and Valencia (4).

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 599 verified decision-maker contacts tracked across these 95 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.