Company lists · Data refreshed September 2026

Top 23 Marketing and advertising agencies based in Spain

Name: Marketing and advertising agencies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 7,636 companies tracked

RevenueBase identified 7,636 marketing and advertising agencies headquartered in Spain as of September 2026 and tracks 54,540 professional contacts across them, including 6,428 with verified work emails and 1,040 with mobile numbers. Madrid is the largest hub.

This list covers marketing and advertising agencies headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

7,636Companies

54,540Contacts tracked

6,428Verified emails

1,040Mobile numbers

Unlock all 7,636 companies Free signup · no credit card · 500 free credits

The 23 largest marketing and advertising agencies based in Spain

Ranked by team size

Top 23 of 7,636 marketing and advertising agencies based in Spain, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names marketing and advertising agencies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	FIRMAIndirect evidence	Barcelona, SpainHQ checked Sep 5, 2026	n/a	1,864
	“We’re FIRMA, a full-service Branding and Innovation agency.” Source: company website · checked Sep 5, 2026
2	LLYCIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	1,001-5,000	1,520
	“Together, we enhance and protect the value of your business.” Source: company website · checked Sep 5, 2026
3	CHINAIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	n/a	1,304
	“CHINA es un agencia de publicidad que comenzó su andadura a comienzos de 2010 y que plantea cambiar las reglas del juego en la relación de agencia anunciante con su sencillo lema…” Source: company website · checked Sep 5, 2026
4	Lola MullenloweIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	259
	“LOLA MullenLowe is a creative agency based in Madrid, built from world-class international talent.” Source: company website · checked Sep 5, 2026
5	ReboldIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	501-1,000	250
	“Creamos con audacia conexiones transformadoras entre personas y marcas.” Source: company website · checked Sep 5, 2026
6	Momentum Task ForcePartial evidence	Madrid, SpainHQ checked Sep 5, 2026	201-500	227
	“Somos especialistas en marketing comercial y promocional, con más de 18 años de experiencia en el sector.” Source: company website · checked Sep 5, 2026
7	AGR Food MarketingPartial evidence	Valencia/valència, SpainHQ checked Sep 5, 2026	n/a	218
	“En AGR Food Marketing tenemos un propósito: ayudar a las empresas del sector alimentario a proteger y poner en valor la diversidad de los alimentos de España y el modo de vida y…” Source: company website · checked Sep 5, 2026
8	Good RebelsIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	208
	“Data, design, creativity and technology.” Source: company website · checked Sep 5, 2026
9	ACCOMIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	501-1,000	207
	“The Customer Value Agency Somos la agencia digital de ventas que te acompaña captando y cuidando a tus clientes.” Source: company website · checked Sep 5, 2026
10	EvercomPartial evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	205
	“evercom is a creative communications and marketing agency that, founded in 1996, is one of the first independent creative communications and marketing agencies in the Spanish…” Source: company website · checked Sep 5, 2026
11	Megamedia EspañaPartial evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	159
	“Somos una agencia de marketing digital participada por Mediaset, el primer grupo audiovisual de España.” Source: company website · checked Sep 5, 2026
12	Cheil SpainIndirect evidence	Alcobendas, SpainHQ checked Sep 5, 2026	201-500	155
	“Cheil Spain is an integrated agency, focused on disruptive creativity fueled by innovation and data to help brands grow by creating connected experiences that generate real impact…” Source: company website · checked Sep 5, 2026
13	Iprospect SpainIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	154
	“iProspect suma ahora más innovación, data, tecnología y talento para construir su propuesta de valor diferencial junto con las características que definieron durante toda su…” Source: company website · checked Sep 5, 2026
14	OMD EspañaIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	201-500	149
	“OMD es una de las agencias líderes en España y se ha destacado por ser la más eficaz e innovadora de la industria española, contando con todos los recursos para dar un servicio…” Source: company website · checked Sep 5, 2026
15	Tanta ComunicaciónIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	11-50	139
	“We define, develop and execute digital strategies and digital experiences for our clients, their brands and products.” Source: company website · checked Sep 5, 2026
16	ManifiestoPartial evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	137
	“Manifiesto is an advertising agency based in Barcelona and Madrid and with 10 years of experience in the sector.” Source: company website · checked Sep 5, 2026
17	AFTERIndirect evidence	Barcelona, SpainHQ checked Sep 5, 2026	51-200	134
	“Somos After, una agencia de publicidad -por ponernos una etiqueta- que mezcla estrategia, creatividad y cultura digital.” Source: company website · checked Sep 5, 2026
18	IncrentaIndirect evidence	Paterna, SpainHQ checked Sep 5, 2026	51-200	132
	“We are the agency to develop your business on the Internet.” Source: company website · checked Sep 5, 2026
19	MRM SpainIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	201-500	130
	“MRM es una agencia de experiencias digitales de clase mundial que ofrece soluciones creativas transformadoras en la intersección de los negocios, la cultura y la tecnología.” Source: company website · checked Sep 5, 2026
20	PDMPartial evidence	Alcobendas, SpainHQ checked Sep 5, 2026	51-200	125
	“Marketing Consulting firm focused on Customer Experience, providing an innovative, omnichannel and technological vision.” Source: company website · checked Sep 5, 2026
21	Last LAPIndirect evidence	Alcobendas, SpainHQ checked Sep 5, 2026	51-200	120
	“Si no nos conoces, pueden parecer locuras.” Source: company website · checked Sep 5, 2026
22	AvanteIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	51-200	118
	“Una nueva categoría de agencia LIBRE que rompe con las estructuras rígidas y ofrece soluciones integrales diseñadas desde la estrategia, la personalización, la creatividad, la…” Source: company website · checked Sep 5, 2026
23	014 MediaIndirect evidence	Madrid, SpainHQ checked Sep 5, 2026	201-500	117
	“En 014 Media somos el grupo especializado en la comercialización de soportes publicitarios en entornos altamente segmentados y audiencias cualitativas.” Source: company website · checked Sep 5, 2026

Showing 23 of 7,636 marketing and advertising agencies based in Spain

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Marketing and advertising agencies based in Spain at a glance

As of Sep 5, 2026

1-10Median size (employees)

MadridLargest hub · 1909 HQs

1,040Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

6,055

11-50

1,367

51-200

140

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Verified emails by last verification

0–30

6,036

31–60

347

61–90

90–180

180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among marketing and advertising agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Spain whose own description of what they do matches “marketing and advertising agencies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among marketing and advertising agencies, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 6,428 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Marketing and advertising agencies by metro

Marketing and advertising agencies in Madrid1909
Marketing and advertising agencies in Barcelona1250
Marketing and advertising agencies in Valencia311
Marketing and advertising agencies in Malaga178
Marketing and advertising agencies in Sevilla142
Marketing and advertising agencies in Bilbao114
Marketing and advertising agencies in Alicante99
Marketing and advertising agencies in Zaragoza94
Marketing and advertising agencies in Murcia89
Marketing and advertising agencies in Granada75
Marketing and advertising agencies in Vigo69
Marketing and advertising agencies in Santa Cruz De Tenerife63
Marketing and advertising agencies in Palma De Mallorca62
Marketing and advertising agencies in Cordoba60
Marketing and advertising agencies in Las Palmas De Gran Canaria58
Marketing and advertising agencies in A Coruna57
Marketing and advertising agencies in Valladolid53
Marketing and advertising agencies in Girona46
Marketing and advertising agencies in Marbella44
Marketing and advertising agencies in Sant Cugat Del Valles38
Marketing and advertising agencies in Terrassa37
Marketing and advertising agencies in Mataro34
Marketing and advertising agencies in Oviedo32
Marketing and advertising agencies in Elche31
Marketing and advertising agencies in Palma31
Marketing and advertising agencies in Sabadell30
Marketing and advertising agencies in Logrono29
Marketing and advertising agencies in Almeria28
Marketing and advertising agencies in Albacete27
Marketing and advertising agencies in Gijon27
Marketing and advertising agencies in Santander26

Frequently asked

How many marketing and advertising agencies are there based in Spain?

RevenueBase identified 7,636 marketing and advertising agencies headquartered in Spain as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most marketing and advertising agencies?

Madrid leads with 1909 headquartered companies, followed by Barcelona (1250) and Valencia (311).

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 6,428 verified decision-maker contacts tracked across these 7,636 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.