Company lists · Data refreshed September 2026

Top 25 Contact center transformation consultants based in Spain

RevenueBase identified 637 contact center transformation consultants headquartered in Spain as of September 2026 and tracks 97,375 professional contacts across them, including 6,434 with verified work emails. Madrid is the largest hub.

This list covers contact center transformation consultants 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
637Companies
97,375Contacts tracked
6,434Verified emails
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The 25 largest contact center transformation consultants based in Spain

Ranked by team size
Top 25 of 637 contact center transformation consultants based in Spain, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to contact center transformation consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMadrid, SpainHQ checked Sep 27, 202610001+3,716 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
2Strong evidenceBarcelona, SpainHQ checked Sep 27, 20265,001-10,0002,358 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceMadrid, SpainHQ checked Sep 27, 20261,001-5,0001,541 contacts →

Indirect evidence

“Somos Entelgy,#TheBusinessTechConsultancy, un acelerador de la transformación para quienes necesitan seguir siendo competitivos en un mundo cambiante a gran velocidad.”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceMadrid, SpainHQ checked Sep 27, 2026n/a1,306 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceMadrid, SpainHQ checked Sep 27, 202610001+612 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceBarakaldo, SpainHQ checked Sep 27, 2026501-1,000489 contacts →

Indirect evidence

“Grupo Versia es una compañía dedicada a la mejora de procesos de negocio de sus clientes.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceAlcobendas, SpainHQ checked Sep 27, 2026201-500484 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
8Strong evidenceBarcelona, SpainHQ checked Sep 27, 20261,001-5,000402 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceBarcelona, SpainHQ checked Sep 27, 20261,001-5,000352 contacts →

Indirect evidence

“We are CPM!”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceMadrid, SpainHQ checked Sep 27, 20261,001-5,000309 contacts →

Partial evidence

“VISEO is a global digital and business consulting company that assists its clients with their transformation journeys using advanced technology and industry expertise.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceMadrid, SpainHQ checked Sep 27, 20265,001-10,000292 contacts →

Indirect evidence

“BIP es una consultora internacional especializada, desde su fundación en 2003, en facilitar la transformación end-to-end de los negocios de sus clientes, donde “hacemos que las…”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceDerio, SpainHQ checked Sep 27, 20261,001-5,000283 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceAlicante, SpainHQ checked Sep 27, 2026201-500174 contacts →

Indirect evidence

“Mindden es una empresa formada por profesionales con más de 15 años de experiencia en el mundo de la consultoría y el desarrollo de proyectos en el área de Servicios y Tecnología…”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceMadrid, SpainHQ checked Sep 27, 2026201-500162 contacts →

Indirect evidence

“El Grupo AirON es una compañía de consultoría e innovación, servicios tecnológicos y outsourcing.”

Source: RevenueBase Database · checked Sep 27, 2026
15Strong evidenceCartes, SpainHQ checked Sep 27, 2026501-1,000157 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceMadrid, SpainHQ checked Sep 27, 202651-200153 contacts →

Indirect evidence

“Arktic es una expedición.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceMadrid, SpainHQ checked Sep 27, 2026n/a151 contacts →

Indirect evidence

“M2C's mission is to help customers adapt their business processes to the current competitive reality and adopt the technology to make simple and effective business processes…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceMadrid, SpainHQ checked Sep 27, 2026501-1,000143 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
19Strong evidenceBarcelona, SpainHQ checked Sep 27, 202651-200137 contacts →

Strong evidence

“Better Consultants is the strategic partner for innovation and digital transformation.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceBarcelona, SpainHQ checked Sep 27, 202651-200132 contacts →

Indirect evidence

“Aktios nace en 2013 con el objetivo de convertir la complejidad tecnológica en crecimiento real de negocio.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceBarcelona, SpainHQ checked Sep 27, 202651-200131 contacts →

Indirect evidence

“DQS/ is a is an IT consulting firm that uses Microsoft tools to align the strategies, processes and resources of companies, helping them to digitally transform their business and…”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceAlcobendas, SpainHQ checked Sep 27, 202651-200125 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceLa Coruña, SpainHQ checked Sep 27, 2026201-500116 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
24Strong evidenceMadrid, SpainHQ checked Sep 27, 202651-200105 contacts →

Strong evidence

“In O2O we have a team specialized on digital business that offers a consultancy service on Digital Strategy and Digital Transformation, lining up the needs Business and IT have…”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceBarcelona, SpainHQ checked Sep 27, 2026201-500100 contacts →

Indirect evidence

“Consulting & BPO Services Abinitio offers specialized management services to the customers to help them, from the beginning, to improve their businesses.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 637 contact center transformation consultants based in Spain

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Contact center transformation consultants based in Spain at a glance

As of Sep 27, 2026
6.6%Verified-email coverage
152.9Average contacts per company
1-10Median size (employees)
36.9%Largest-city concentration · Madrid
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
366
11-50
166
51-200
57
201-500
17
501-1,000
10
1,001-5,000
13
5,001-10,000
4
10001+
4

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 637 companies.

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 contact center transformation consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Spain whose own description of what they do matches “contact center transformation consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names contact center transformation consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among contact center transformation consultants, 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 its RevenueBase Smart Search 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, 6,434 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 27, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names contact center transformation consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many contact center transformation consultants are there based in Spain?

RevenueBase identified 637 contact center transformation consultants 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?

GSS Global Sales Solutions, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most contact center transformation consultants?

Madrid leads with 235 headquartered companies, followed by Barcelona (124) and Valencia (20).

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 6,434 verified decision-maker contacts tracked across these 637 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 27, 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 Smart Search, 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.