Company lists · Data verified August 2026

Top 21 Cold calling agencies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 96 companies tracked

There are 96 cold calling agencies headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 1,943 professional contacts across them, including 77 with verified work emails and 9 with mobile numbers. Madrid is the largest hub.

This list covers cold calling 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.

96Companies

1,943Contacts tracked

77Verified emails

9Mobile numbers

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The 21 largest cold calling agencies based in Spain

Ranked by team size

Top 21 of 96 cold calling 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	Fastco	Madrid	1,001-5,000	601	16
2	Accepta	Madrid	501-1,000	276	1
3	Stream Mobile	Cartes	501-1,000	157	5
4	Grupo V3	Valladolid	1,001-5,000	141	7
5	North Market	Logrono	51-200	82	11
6	Nexia Solutions	Palma De Mallorca	11-50	40	6
7	FTZ Marketing Outsourcing S.L	Barcelona	51-200	26	2
8	TM System Contact Center	Granada	11-50	23	5
9	Telemarketing Golden Line S.L	Barcelona	51-200	23	3
10	Happytel	Collado Villalba	51-200	22	4
11	RE Redes Externas Outsourcing S.L	Seville	11-50	21	2
12	Saravá	Madrid	1-10	11	1
13	Lead2b	Les Franqueses Del Valles	11-50	7	2
14	Coregistros, S.L	Barcelona	11-50	6	2
15	Nodo Point Corp	Madrid	1-10	5	2
16	Sdrs DE Spain	Barcelona	1-10	4	1
17	Asstel SIS SL	Reus	11-50	3	2
18	Doctor Salesman	San Agustin De Guadalix	11-50	3	1
19	Boostcall	Barcelona	11-50	3	1
20	Leadfield	Madrid	1-10	3	1
21	Daicos	Mataro	1-10	2	2

Showing 21 of 96 cold calling agencies based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 77 reachable decision-makers.

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Cold calling agencies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 20 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cold calling agencies by metro

Metro	Companies
Cold calling agencies in Madrid	20
Cold calling agencies in Barcelona	15
Cold calling agencies in Sevilla	3
Cold calling agencies in Malaga	3
Cold calling agencies in Santander	2
Cold calling agencies in Almeria	2
Cold calling agencies in Torremolinos	2
Cold calling agencies in Collado Villalba	2

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 “cold calling 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; 0 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 cold calling agencies are there based in Spain?

There are 96 cold calling agencies headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cold calling agencies?

Madrid leads with 20 headquartered companies, followed by Barcelona (15) and Sevilla (3).

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 77 verified decision-maker contacts tracked across these 96 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.