Best SEO Agencies in Barcelona (2026)

#1

COSEOM

★5.0

Barcelona, Spain · Team 1-10 · 7 services · 5 reviews

International B2B Marketing for global brands in the US, Europe, and APAC. Multilingual Growth Marketing on Google Search, Google Ads, Linkedin Ads, Capterra, Reddit, Quora, Facebook, Twitter, and more. Ads, Content Localization, Remarketing, & Lead Generation for tech companies, SaaS businesses, and software providers in different industries. Services: International PPC Strategy and Management using AI AI Powered Multilingual Paid Social Media Management International SEO Management for global brands GEO, LLM Optimization, AIO Advanced Technical SEO for Enterprise websites AI Marketing Automation for the Tech, Legal and Financial Servces Industries. Multilingual Content Creation for Tech Brands Funnel Optimization for B2B Demand Generation Budgeting and Targeting Optimization   Read more

#2

Minty Digital

★4.9

Barcelona, Spain · Team 11-50 · 3 services · 23 reviews

The search marketing agency you wish worked in-house. Revenue-focused Search Marketing Agency that gives customers on average 4-12x return on investment over 12 months. Don’t take our word for it; check the results of the international brands and SMEs that trust us year on year to help build their brands.

#3

Based in Barcelona, DEVELOOP SOFTWARE delivers custom software development, mobile apps, and web design solutions tailored to business needs. Their team of 11-50 professionals also provides consulting, SEO, and ecommerce development services.

#4

Mint Position

Barcelona, Spain · Team 1-10 · 4 services

We’re an international GEO- and SEO-focused content marketing agency that combines journalistic-quality research, multi-engine optimization, and Bofu content to get new customers for companies across 5 continents.

#5

Based in Barcelona, Flying Cat Marketing delivers comprehensive SEO services to help businesses improve their online visibility and search rankings. With a dedicated team and strong client feedback, they focus on practical, results-driven strategies.