Company lists · Data refreshed September 2026
Top 25 Law firm SEO services based in Spain
RevenueBase identified 238 law firm SEO services headquartered in Spain as of September 2026 and tracks 882 professional contacts across them, including 163 with verified work emails and 36 with mobile numbers. Madrid is the largest hub.
This list covers law firm SEO services 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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.
The 25 largest law firm SEO services based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 110 | ||||
“En nuestra agencia SEO en Barcelona somos unos apasionados del posicionamiento web.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 84 | ||||
“Royal Comunicación es una empresa dedicada al Marketing online teniendo como fin principal optimizar y rentabilizar los recursos de las empresas en la red.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 39 | ||||
“Keyweo is a digital marketing agency founded in 2018 and based in Barcelona.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 37 | ||||
“Esta empresa se creó para dar respuesta a una necesidad cada vez más demandada: el posicionamiento web.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 22 | ||||
“Posicionamiento Web SEO, Marketing Online y diseño de páginas web en Marbella.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 21 | ||||
“Liten Lemon es una agencia de marketing digital ubicada en Madrid, España.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | Sembi ComunicaciónPartial evidence | 20 | |||
“Sembi Communication is a Digital Marketing Agency experts in SEO (Search Engine Optimization),(Search Engine Marketing), Media Digital Content, Web Design, Community Manager &…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | Localmetric Agencia DE SEO LocalPartial evidence | 12 | |||
“Localmetric es una agencia de marketing digital experta en SEO Local.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 10 | ||||
“De la mà d’Eva Olivares i Xevi Sañé neix la primera agència 100% SEO a Girona.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 | ||||
“Hola.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 9 | ||||
“Lacomunicación es una agencia de Marketing Digital en Valencia pionera en la consultoría SEO y el marketing digital, servicios que llevamos prestando desde 2004.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 | ||||
“Tu Posicionamiento Web: Empresa de Posicionamiento web ubicada en Madrid con una amplia experiencia en Marketing online.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 8 | ||||
“Rex4media es tu Boutique Marketing Agency en Mallorca.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 | ||||
“En Ads & Law, nos especializamos en estrategias de crecimiento, con un enfoque particular para despachos de abogados.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 | ||||
“En helloseosem evolucionamos tu negocio para la nueva era digital.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 | ||||
“Si lo que te gusta es el SEO, también le damos caña, toda web que sale de nuestro horno lleva el sello FAST AS A SHARK.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 | ||||
“Trabajar únicamente centrado en el SEO en los últimos 20 años, en todo tipo de proyectos y sectores, me ha permitido adquirir EXPERIENCIA (si, en mayúsculas) y un pensamiento…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 | ||||
“En nuestra Agencia de Marketing Digital, diseñamos e implementamos la estrategia de posicionamiento SEO en buscadores que tu sitio Web o eCommerce necesita para poder mejorar su…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 | ||||
“En Abbo ayudamos a firmas y pequeños despachos de abogados a aumentar su cifra de negocio online ayudándoles a captar más y mejores clientes a través de Internet.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 | ||||
“Somos tu Agencia SEO en Murcia, te lo decimos alto y claro.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | Nuanda SEO ConsultingPartial evidence | 5 | |||
“Agencia SEO NuAnda especializada en estrategias de visibilidad online desde el año nuestra actividad principal es la transformación de los sitios web de nuestros clientes en…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 | ||||
“Somos una agencia especializada SEO con una visión enfocada al desarrollo de negocio.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | SomoszenithIndirect evidence | 4 | |||
“Agencia de marketing digital en Pamplona con más de 10 años de experiencia en el sector.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | SeqmentaPartial evidence | 3 | |||
“estratègies digitals · seo · sem · social ·” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 | ||||
“At ClickCrows, we're not just passionate about helping businesses thrive in the digital world, we’re obsessed with it!” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 238 law firm SEO services based in Spain
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Law firm SEO services based in Spain at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
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 law firm SEO services, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Spain whose own description of what they do matches “law firm SEO services”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among law firm SEO services, 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 an evidence 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, 163 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 4, 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.
Law firm SEO services by metro
- Law firm SEO services in Madrid41
- Law firm SEO services in Barcelona37
Frequently asked
How many law firm SEO services are there based in Spain?
RevenueBase identified 238 law firm SEO services 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?
Bigseo, headquartered in Barcelona, tops this list with the largest team on record.
Which city has the most law firm SEO services?
Madrid leads with 41 headquartered companies, followed by Barcelona (37) and Valencia (8).
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 163 verified decision-maker contacts tracked across these 238 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 4, 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.
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