Company lists · Data verified August 2026

Top 19 B2B lead generation agencies based in Madrid, Spain

There are 62 B2B lead generation agencies headquartered in Madrid, Spain (RevenueBase, August 2026). RevenueBase tracks 383 professional contacts across them, including 41 with verified work emails and 13 with mobile numbers. Madrid is the largest hub.

This list covers B2B lead generation agencies headquartered in Madrid, 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.

62Companies
383Contacts tracked
41Verified emails
13Mobile numbers
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The 19 largest B2B lead generation agencies based in Madrid, Spain

Ranked by team size
Top 19 of 62 B2B lead generation agencies based in Madrid, Spain, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1SUMMadrid51-200462
2Connection H2h Human 2 HumanMadrid11-50197
3SalesplanetMadrid11-50171
4The Marketing HUBMadrid11-50164
5KimoonMadrid11-50154
6NaifmanMadrid1-10151
7AAPEXMadrid11-50124
8The RevenueMadrid1-10123
9SaraváMadrid1-10111
10saleshackers.esMadrid1-1083
11OutboundersMadrid1-1062
12Nodo Point CorpMadrid1-1052
13YoyfulMadrid11-5041
14Digital ExcelMadrid1-1041
15ImpulsainMadrid1-1041
16LeadfieldMadrid1-1031
17UproductMadrid1-1031
18Closflow AIMadrid1-1021
19Simplificando EL MarketingMadrid1-1011

Showing 19 of 62 B2B lead generation agencies based in Madrid, Spain

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B2B lead generation agencies based in Madrid, Spain at a glance

As of Aug 28, 2026
1-10Median size (employees)
MadridLargest hub · 62 HQs
13Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
44
11-50
16
51-200
2

B2B lead generation agencies by metro in Spain

MetroCompanies
B2B lead generation agencies in Madrid62
B2B lead generation agencies in Barcelona57
B2B lead generation agencies in Valencia16
B2B lead generation agencies in Malaga7
B2B lead generation agencies in Alicante7
B2B lead generation agencies in Bilbao6
B2B lead generation agencies in Sevilla4

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 “B2B lead generation agencies”, with match quality audited by blind human judging, and headquartered in Madrid, 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 B2B lead generation agencies are there based in Madrid, Spain?

There are 62 B2B lead generation agencies headquartered in Madrid, Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most B2B lead generation agencies?

Madrid leads with 62 headquartered companies, followed by Barcelona (57) and Valencia (16).

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 41 verified decision-maker contacts tracked across these 62 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.