Company lists · Data refreshed September 2026

Top 25 Customer agencies based in Spain

RevenueBase identified 228 company matches for customer agencies associated with Spain as of September 2026 and tracks 115,998 professional contacts across them, including 8,010 with verified work emails. Madrid is the largest hub.

This list covers company matches for customer agencies associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 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 RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
228Companies
115,998Contacts tracked
8,010Verified emails
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The 25 largest customer agencies based in Spain

Ranked by team size
Top 25 of 228 company matches for customer agencies based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Sep 21, 202610001+23,763 contacts →

Exact match

“Konecta is a leading innovative global service provider in customer management business process outsourcing, with passionate employees working in 40 languages across 4 continents…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Sep 21, 202610001+3,716 contacts →

Exact match

“is a tech company specialized in providing, and for.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchBarcelona, SpainHQ recorded Sep 21, 20265,001-10,0002,358 contacts →

Exact match

“Emergia is a multinational company specialized in the comprehensive customer relationship management in the field of Interactive Contact Center, the business process outsourcing…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Sep 21, 2026n/a1,306 contacts →

Exact match

“At Unisono, for more than 20 years we have been working side by side with our customers across the globe to meet their demands as well as our own.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Sep 21, 202610001+612 contacts →

Exact match

“Somos Arvato, diseñamos, ofrecemos y marcamos la diferencia en el servicio de atención al cliente que prestamos en nombre de algunas de las marcas más respetadas del mundo.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchAlcobendas, SpainHQ recorded Sep 21, 2026201-500484 contacts →

Exact match

“Izo is a specialized consultancy in Customer & Social Media Experience Management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBarcelona, SpainHQ recorded Sep 21, 20261,001-5,000402 contacts →

Exact match

“MST is a leading global provider of Business Process Services, Consulting and Multichannel Contact Centre services, focused on improving the customer experience.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchBarcelona, SpainHQ recorded Sep 21, 20261,001-5,000352 contacts →

Exact match

“We are CPM!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBarcelona, SpainHQ recorded Sep 21, 20265,001-10,000305 contacts →

Exact match

“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchDerio, SpainHQ recorded Sep 21, 20261,001-5,000283 contacts →

Exact match

“Lanalden | Conectamos personas, impulsamos negocios: En Lanalden, transformamos la experiencia del cliente a través de la innovación, la tecnología y el talento de nuestro equipo.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Sep 21, 202610001+196 contacts →

Exact match

“Merkle is a leading data-driven, technology-enabled, global customer experience management (CXM) company that specialises in the delivery of unique, personalised customer…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchCartes, SpainHQ recorded Sep 21, 2026501-1,000157 contacts →

Exact match

“Somos un contact center especializado en gestión, venta y atención al cliente.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchMadrid, SpainHQ recorded Sep 21, 2026501-1,000143 contacts →

Exact match

“Nos aseguramos de que la Experiencia del Cliente sea excelente.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchAlcobendas, SpainHQ recorded Sep 21, 202651-200125 contacts →

Exact match

“Marketing Consulting firm focused on Customer Experience, providing an innovative, omnichannel and technological vision.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLa Coruña, SpainHQ recorded Sep 21, 2026201-500116 contacts →

Exact match

“Servicios Reunidos, nace en 1994 con la misión de ayudar a los clientes en la implantación de sus estrategias de negocio mediante el outsourcing.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchMadrid, SpainHQ recorded Sep 21, 202611-50102 contacts →

Exact match

“Somos una agencia de servicios plenos en la que trabajamos profesionales venidos de diferentes experiencias (creación, cuentas, planificación, interactivo.) Aplicamos la cercanía…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSant Cugat Del Vallès, SpainHQ recorded Sep 21, 2026201-50097 contacts →

Exact match

“CATSERVEIS SXXI es una empresa especializada en Marketing, en la externalización de procesos de negocio (BPO) y en la gestión integral de la experiencia de cliente a través de los…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Sep 21, 202611-5094 contacts →

Exact match

“Los Colegios de Agentes Comerciales, fueron creados por Real Decreto de 8 de Enero de 1926, con sus reformas posteriores, rigiéndose en la actualidad por el Estatuto General…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20087 contacts →

Exact match

“Codeactivos Outsourcing Services, es una compañía experta en externalización de procesos de negocio y la gestión de experiencias en servicio, prestando soluciones como…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchPalma De Mallorca, SpainHQ recorded Sep 21, 202651-20075 contacts →

Exact match

“Nordic Operation Center is a business process outsourcer (BPO), specialising in customer experience, sales and marketing services via all communication channels including voice…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchMadrid, SpainHQ recorded Sep 21, 2026501-1,00074 contacts →

Exact match

“Cosmos es un Call Center ofrece a sus clientes un servicio omnicanal de última tecnología desde sus centros en España, Rumanía, Paraguay y Marruecos.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchValencia, SpainHQ recorded Sep 21, 202651-20073 contacts →

Exact match

“weWow is Europe’s leading boutique CS company solely focusing on fast-growing international brands on a mission.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20068 contacts →

Exact match

“Braintrust is a member firm of Andersen Consulting, a leading business consulting firm with a presence in more than locations worldwide.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20062 contacts →

Exact match

“Somos una Compañía de GESTION TELEFONICA (No nos gusta posicionarnos como “Telemarketing”), ubicada en Madrid Creada el 01 de Octubre de 1988; cronológicamente, somos de las 5…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchAbaltzisketa, SpainHQ recorded Sep 21, 202651-20051 contacts →

Exact match

“Con más de dos décadas impulsando la excelencia en la atención al cliente, Logikaline es hoy un referente en consultoría y externalización de servicios de Contact Center para…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 228 customer agencies based in Spain

See the full list, filter by size, metro and specialty, and access 8,010 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer agencies based in Spain at a glance

As of Sep 21, 2026
6.9%Verified-email coverage
508.8Average contacts per company
11-50Median size (employees)
29.4%Largest-city concentration · Madrid
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
68
51-200
37
201-500
12
501-1,000
6
1,001-5,000
14
5,001-10,000
3
10001+
7

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 228 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with Spain whose business descriptions match “customer agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 8,010 professional contacts with verified work emails across the full matched dataset. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “customer agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer agencies are there based in Spain?

RevenueBase identified 228 company matches for customer agencies associated with Spain as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Konecta tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most customer agencies?

Madrid leads with 67 company records, followed by Barcelona (43) and Malaga (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,010 professional contacts with verified work emails tracked across these 228 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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.