Company lists · Data verified August 2026

Top 25 Outbound marketing agencies based in Spain

Name: Outbound marketing agencies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,411 companies tracked

There are 1,411 outbound marketing agencies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 8,050 professional contacts across them, including 931 with verified work emails and 208 with mobile numbers. Madrid is the largest hub.

This list covers outbound marketing agencies 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.

1,411Companies

8,050Contacts tracked

931Verified emails

208Mobile numbers

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The 25 largest outbound marketing agencies based in Spain

Ranked by team size

Top 25 of 1,411 outbound marketing agencies 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	ACCOM	Madrid	501-1,000	206	21
2	Mediapost Group	Madrid	201-500	199	7
3	MIO ONE	Madrid	51-200	105	11
4	Thing OR TWO	Barcelona	51-200	85	1
5	Vertigo Media	Barcelona	51-200	83	10
6	North Market	Logrono	51-200	82	11
7	JFT Comunicación	Las Palmas De Gran Canaria Las Palmas De Gran Canaria	51-200	75	12
8	internet.republica	Madrid	51-200	73	32
9	Viva Conversion	Valencia Valencia	11-50	59	9
10	General Servei S.A	Torrejon De Ardoz	201-500	57	3
11	Dobuss	Cordoba	11-50	53	4
12	PGR Marketing & Tecnología	Sant Cugat Del Valles	11-50	40	7
13	Keyweo	Barcelona	11-50	39	10
14	Best Option Media	Madrid	51-200	33	8
15	Jevnet	Barcelona	11-50	30	10
16	Vacolba	Valladolid	51-200	30	1
17	ZESTO	Gijon	11-50	28	1
18	FTZ Marketing Outsourcing S.L	Barcelona	51-200	26	2
19	Advance B2B Marketing Agency	Malaga	11-50	25	6
20	Telemail	Madrid	51-200	23	5
21	Telemarketing Golden Line S.L	Barcelona	51-200	23	3
22	Eteria	Almeria	11-50	22	4
23	Kreatika Comunicacion Y Marketing S.L	Madrid	11-50	22	3
24	Salesq In4leads	Madrid	51-200	21	3
25	Connection H2h Human 2 Human	Madrid	11-50	19	7

Showing 25 of 1,411 outbound marketing agencies based in Spain

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Outbound marketing agencies based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 355 HQs

208Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

1,071

11-50

288

51-200

201-500

501-1,000

Outbound marketing agencies by metro

Metro	Companies
Outbound marketing agencies in Madrid	355
Outbound marketing agencies in Barcelona	231
Outbound marketing agencies in Valencia	60
Outbound marketing agencies in Malaga	43
Outbound marketing agencies in Sevilla	32
Outbound marketing agencies in Bilbao	29
Outbound marketing agencies in Murcia	24

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 “outbound marketing agencies”, 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; 13 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 outbound marketing agencies are there based in Spain?

There are 1,411 outbound marketing agencies headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most outbound marketing agencies?

Madrid leads with 355 headquartered companies, followed by Barcelona (231) and Valencia (60).

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 931 verified decision-maker contacts tracked across these 1,411 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.