Company lists · Data verified August 2026

Top 25 Demand side platform companies based in Spain

Name: Demand side platform companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 109 companies tracked

There are 109 demand side platform companies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 2,121 professional contacts across them, including 658 with verified work emails and 68 with mobile numbers. Madrid is the largest hub.

This list covers demand side platform companies headquartered in 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.

109Companies

2,121Contacts tracked

658Verified emails

68Mobile numbers

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The 25 largest demand side platform companies based in Spain

Ranked by team size

Top 25 of 109 demand side platform companies based in 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	Smadex	Barcelona	501-1,000	237	109
3	Vidoomy	Madrid	201-500	112	33
4	Exoclick	Barcelona	51-200	107	34
5	Mediasmart	Madrid	51-200	77	32
6	Refinery89	Madrid	51-200	71	42
7	Citrusad	Barcelona	201-500	70	29
8	Tappx With Techsoulogy	Barcelona	51-200	56	27
9	Evolution Group	Madrid	51-200	51	23
10	Opti Digital	Barcelona	11-50	40	7
11	Illumin EU & Latam	Madrid	201-500	33	8
12	Media Adgo	Barcelona	11-50	32	7
13	Widitrade	Las Rozas De Madrid	11-50	29	9
14	Optima	Barcelona	51-200	28	14
15	Twinred	Barcelona	11-50	26	17
16	CAVAI	Madrid	11-50	26	13
17	INLAB	Madrid	11-50	24	10
18	Appcelerate	Madrid	11-50	24	2
19	Tradedoubler España & Latam	Madrid	501-1,000	17	10
20	Anonymised	Barcelona	11-50	17	10
21	Embi Media	Madrid	11-50	17	9
22	Brain360	Madrid	11-50	17	2
23	Astrad	Barcelona	11-50	15	1
24	Adport	Madrid	11-50	12	4
25	E-Retail Advertising	Madrid	11-50	11	2

Showing 25 of 109 demand side platform companies based in Spain

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Demand side platform companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 56 HQs

68Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Demand side platform companies by metro

Metro	Companies
Demand side platform companies in Madrid	56
Demand side platform companies in Barcelona	28
Demand side platform companies in Marbella	2
Demand side platform companies in Pozuelo De Alarcon	2
Demand side platform companies in Alcobendas	2
Demand side platform companies in Abrera	1
Demand side platform companies in Santa Cruz De Tenerife	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 “demand side platform companies”, with match quality audited by blind human judging, and headquartered in 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; 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 demand side platform companies are there based in Spain?

There are 109 demand side platform companies headquartered in 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 demand side platform companies?

Madrid leads with 56 headquartered companies, followed by Barcelona (28) and Marbella (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 658 verified decision-maker contacts tracked across these 109 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.