Company lists · Data refreshed November 2026

Top 25 SEO agencies for lead generation based in Spain

RevenueBase identified 642 company matches for SEO agencies for lead generation associated with Spain as of November 2026 and tracks 2,773 professional contacts across them, including 474 with verified work emails. Madrid is the largest hub.

This list covers company matches for SEO agencies for lead generation 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 November 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
642Companies
2,773Contacts tracked
474Verified emails
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The 25 largest SEO agencies for lead generation based in Spain

Ranked by team size
Top 25 of 642 company matches for SEO agencies for lead generation based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchAlcoy, SpainHQ recorded Nov 5, 2026201-500134 contacts →

Exact match

“adSalsa is one of the Leading Lead Generation and Database Agencies in Europe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBarcelona, SpainHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“En nuestra agencia SEO en Barcelona somos unos apasionados del posicionamiento web.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBarcelona, SpainHQ recorded Nov 5, 202651-20084 contacts →

Exact match

“Vertigo Media is a Digital Marketing Agency, specialized in generating qualified leads for all businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Nov 5, 202651-20050 contacts →

Exact match

“Comunicare es una empresa especializada en Marketing Online y Desarrollo Web para empresas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBarcelona, SpainHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“Keyweo is a digital marketing agency founded in 2018 and based in Barcelona.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLa Coruña, SpainHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“Llevamos más de una década gestionando la infraestructura de marketing de grandes grupos empresariales.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchValencia, SpainHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“Esta empresa se creó para dar respuesta a una necesidad cada vez más demandada: el posicionamiento web.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 5, 202611-5035 contacts →

Exact match

“Agencia de marketing digital especialista en captación para el sector educativo y en ventas online para ecommerce.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchAlcoy, SpainHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“de páginas web accesibles.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBarcelona, SpainHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“Mehr qualifizierte Leads für dein B2B Unternehmen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchMarbella, SpainHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“Posicionamiento Web SEO, Marketing Online y diseño de páginas web en Marbella.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBarcelona, SpainHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“Experts at crafting search campaigns that drive revenue, increase traffic and establish strong brand authority.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchMataró, SpainHQ recorded Nov 5, 20261-1025 contacts →

Exact match

“Joan Boluda, Consultor de Marketing OnlineEspecializado en Posicionamiento Natural (SEO), Pago Por Clic (PPC), Redes Sociales (SMO) y Email Marketing.Si tienes claro tu plan de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchA Coruña, SpainHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Premium Leads combines proprietary technologies developed in-house with extensive experience in online marketing and SEO strategies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Nov 5, 20261-1020 contacts →

Exact match

“Somos una agencia de marketing digital en Madrid para marcas que quieren aparecer, captar y convertir sin vestir de estrategia lo que solo era improvisación.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLlanera, SpainHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“Positio, agencia de marketing de contenidos especializada en posicionamiento SEO y SEM-PPC, analítica web, Social Media y blogging.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“En YoSEOMarketing, somos la agencia líder en transformación digital, especializada en posicionamiento y resultados sostenibles.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBilbao, SpainHQ recorded Nov 5, 20261-1017 contacts →

Exact match

“Sembi Communication is a Digital Marketing Agency experts in SEO (Search Engine Optimization),(Search Engine Marketing), Media Digital Content, Web Design, Community Manager &…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchValencia, SpainHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Generamos leads cualificados para impulsar tu crecimiento y expansión!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBarcelona, SpainHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Seocoaching es una empresa especializada en posicionamiento web con resultados comprobados y servicios SEO garantizados.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchPuerto De La Cruz, SpainHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“In Optimanova we understand Web Optimisation as a way to take the best advantage from your website.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchValencia, SpainHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Online Marketing company based in Valencia and Barcelona specialized in email marketing, lead generation(sms marketing, sem) and telephonic leads.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Nov 5, 20261-1015 contacts →

Exact match

“Estamos especializados en establecer estrategias de Marketing Digital de éxito poniendo el foco en que nuestras propuestas siempre sean rentables para nuestros clientes, por lo…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchBarcelona, SpainHQ recorded Nov 5, 20261-1015 contacts →

Exact match

“Otternative is a Performance Marketing Agency focused on improving your Revenue by increasing the quality and the quantity of the traffic, leads, potentials, conversions and sales…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchBarcelona, SpainHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“ROI & CO is your digital marketing results generator.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 642 SEO agencies for lead generation based in Spain

See the full list, filter by size, metro and specialty, and access 474 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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SEO agencies for lead generation based in Spain at a glance

As of Nov 5, 2026
17.1%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
17.0%Largest-city concentration · Madrid
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
547
11-50
86
51-200
6
201-500
1

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 642 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 “SEO agencies for lead generation” 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 474 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 November 5, 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 “SEO agencies for lead generation”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SEO agencies for lead generation are there based in Spain?

RevenueBase identified 642 company matches for SEO agencies for lead generation associated with Spain as of November 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?

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

Which city has the most SEO agencies for lead generation?

Madrid leads with 109 company records, followed by Barcelona (92) and Valencia (37).

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 474 professional contacts with verified work emails tracked across these 642 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 November 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.