Growth Marketing Agencies in Barcelona

English version: Gotoclient is a world-class B2B online marketing agency on B2B lead generation strategies for B2B & B2B2C businesses.  All our services are sales-oriented, focused on helping our clients’ needs with the only goal of contributing to our customer success. Hire Gotoclient as a LinkedIn Ads, a B2B lead generation, an Inbound Marketing for B2B, a channel loyalty, or a B2B and B2C promotions agency. Or hire us as consultants.

WOW Barcelona helps brands set up and optimize their Amazon & TikTok Shop business: Consulting, Content Creation, PDPs, SEO, Ads, inventory selection, logistics, full account management, and performance scaling.

🥇 Amazon Marketplace EU Agency Gold Partner

🎯 Amazon Ads Verified Partner

🏆 TikTok Shop Partner

🛒 The global Amazon & TikTok Shop value proposition is delivered through WOW Barcelona’s end-to-end solutions:

1. Consulting & Content: AI video production, SEO & GEO strategies, dedicated business experts, Amazon & TikTok Shop Ads, and custom dashboard design.
2. Technical Expertise: Seamless API connections and complex integration with your ERP & CRM.
3. Training with the WOW Academy: An ultra-specialized learning program to upskill brand teams and professionals.
4. In-House Implant Services: Embedding the best Marketplace expertise directly within the client’s internal teams.

👉 Our clients range from premium cosmetics and luxury to food and technology.

Founded in 2012, Seeders is a leading international marketing agency, specializing in SEO, Link Building, Digital PR, and Paid Media. We believe that a brand's success knows no borders; that's why we help businesses scale from start-ups to established international companies, generating effective local impact in a global arena.

Our strength lies in our network: with over 10 international offices and a team of 100 native specialists, we execute strategies in more than 50 markets.

At Seeders, we redefine the client-agency relationship. Our mission is to make authority marketing transparent and collaborative. We don't work for you, we work with you, acting as an extension of your team to build a solid, measurable, and black-box-free digital future.

cronuts.digital is a Growth Marketing and Artificial Intelligence consultancy based in Barcelona, specializing in B2B companies with revenues between €500K and €100M.

Since 2018, we have scaled more than 80 active clients, including Telefónica, Toyota, IESE Business School, Cruz Roja, Antala Group, through growth systems that directly connect marketing with revenue.

We do not sell standalone services. We design, execute, and scale productized Growth and AI systems: performance marketing, artificial intelligence automation, SEO, analytics, and conversion optimization. In fixed-scope packages, closed pricing, and measurable results from the first month.

If your current agency delivers reports but not growth, we need to talk.

We operate in Spain, Europe, and the USA.

As a leading digital marketing agency, we specialize in leading businesses to success through an analytical and mathematical approach. We use data analytics to maximize the value of each project and serve a wide range of clients, from SMEs and startups to large corporations in the B2B and B2C sectors.

We are based in Barcelona with a global perspective and vision, and a multidisciplinary team of economists, mathematicians, data consultants, CRM, SEO, SEM and marketing strategy experts. Our goal is to thoroughly understand your project in order to develop the precise strategy that your business requires.

If you are looking for an agency dedicated to achieving your goals with a data-driven approach, contact us.

(ES)

Estrategia Digital impulsada por el Análisis de Datos

Como agencia líder en marketing digital, nos especializamos en orientar a las empresas hacia el éxito a través de un enfoque analítico y matemático. Utilizamos el análisis de datos para maximizar el valor de cada proyecto, atendiendo a una amplia gama de clientes, desde pymes y startups hasta grandes corporaciones en sectores B2B y B2C.

Estamos en Barcelona con perspectiva y visión global, y con un equipo multidisciplinario de economistas, matemáticos, consultores de datos, expertos en CRM, SEO, SEM y estrategias de marketing. Nuestro objetivo es entender a fondo tu proyecto para desarrollar la estrategia precisa que tu negocio requiere.

Si buscas una agencia dedicada a lograr tus metas con un enfoque data-driven, contáctanos.

OOPTIMO · Digital consultancy specializing in technology, AI, and digital marketing.

We design digital marketing solutions with AI to boost your business growth.

▸ What do we do?

At OOPTIMO, we help companies scale their commercial performance and sales through applied technology, automation, and strategic intelligence. We design customized solutions that combine digital marketing, AI, and lead management systems to achieve efficiency, conversion, and real results.

▸ Services

• Digital Consulting
• AI Digital Marketing
• Traffic Acquisition (Paid Media & SEO)
• CRM & Marketing Automation
• Analytics & CRO
• Web Development & Ecommerce
• AI Solutions
• Generative AI
• AI Analytics
• AI Automation
• AI Agents

▸ Product

At OOPTIMO, we have developed a lead nurturing and management platform that combines AI, automation, and technology to centralize, qualify, segment, and assign your leads to various profiles. With this:

• We create personalized automatic flows.
• We manage fluid conversations via WhatsApp.
• We streamline management and response times.
• We unify criteria and prevent missed opportunities.

▸ Growth as a Service (GaaS)

We have designed a comprehensive model for continuous digital growth, with a team of experts, strategy, and iterative execution, called Growth as a Service. Currently, it is one of our most requested services due to its 100% focus on growth, resource management, and smart strategies applied to each digital marketing objective.

Contact us and let's connect.

English version:

We are a visionary agency, not just offering marketing services, but embracing technology and innovation fully. Our mission is to lead companies by leveraging vast experience gained through collaborations with diverse brands, platforms, and technologies.

Our approach believes in technology's role in every aspect of a profitable business, transcending traditional marketing. We customize solutions for each unique company, constantly exploring new technologies to deliver efficient insights.

Innovation is our core. We monitor and test the latest marketing technologies, ensuring our clients access exceptional solutions.

Honesty and trust define our relationships. We act with integrity, aligning actions with client needs.

Founded in 2012 by Miguel Guitián López, a marketing visionary, we've grown into a tech-backed agency offering comprehensive solutions in all aspects of marketing.

Our commitment goes beyond the conventional, guiding you to maximize results on a limited budget.

If you seek an agency that lives and breathes technology, offers end-to-end solutions, and is dedicated to your success, you're in the right place. Join us on the journey to business success.

Digital Marketing Agency specializing in business strategy in digital channels and web development.

We are HAKI, a 100% digital and decentralized growth marketing studio. We help ambitious companies turn their digital presence into a real growth engine — with strategy, design, and data working in the same direction. 📈

#1 Your brand, as a sales weapon 🎨

A strong identity is not just aesthetics — it's what makes them choose you over the competition. You'll get your audience to understand you, trust you, and remember your value proposition in seconds.

#2 A website that works for you, 24/7 💻

Your website should be your best salesperson. We design and develop sites in Webflow that not only look good but are designed to keep visitors engaged — and ultimately lead to purchases.

#3 More qualified leads, better returns 📊

We leave word-of-mouth behind. With Google Ads, Meta Ads, SEO, and marketing automations, we attract the right people at the right time — and optimize your LTV:CAC ratio so scaling doesn't cost more than you earn.

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The power of an agency, with the care of a small studio.

🫱🏻‍🫲🏼 You talk to the doers

No intermediaries or account managers. You work directly with the experts handling your project, which translates into faster decisions and better results.

🌍 Global talent, without borders

We operate remotely with specialists from around the world. You get access to the best in each discipline without paying for structures that don't add value.

🏆 Measurable results or we keep working

We leave nothing to chance. We commit to real metrics and work until you are 100% satisfied.

Comunicare, an agency with over 12 years of experience specializing in 360 digital marketing and online advertising

Our services:

• SEO
• SEM
• Social Ads
• Display & Remarketing
• Lead acquisition
• Media buying
• Email Marketing
• A/B Testing
• Inbound Marketing
• Community Management
• Copywriting & Storytelling
• Web analytics
• Usability & conversion
• Strategic Marketing
• International Marketing
• Automated Marketing
• Growth hacking
• Branding
• Online Reputation

Our added value:

• No commitment. Your satisfaction is the only tie
• Guaranteed response within 30 minutes maximum
• Highly committed team with incentives for our clients' success
• Balancing of services with the same FEE
• Double review process to eliminate potential errors
• Demonstrable experience and results in most sectors
• Total transparency and very descriptive invoices
• We never give up, we never settle
• Specialized technicians per service
• We DO NOT have interns on our team
• Experts in multivariate testing
• Monthly meetings and bi-weekly reports
• Dashboard with easy-to-understand and visualize KPIs
• Approachable and flexible account managers
• Continuous training for our entire team
• Pleasant people you will enjoy collaborating with
• We never stop contributing, we never stop innovating
• Obsessed with analytics
• We only make data-driven decisions
• Offices in central Madrid where you will feel at home
• Partners are involved in every project, regardless of size
• We take care of your budget as if it were our own

At Comunicare, we know that the goal of digital advertising is not to generate impressions but to persuade potential buyers and increase brand recognition until you achieve your goals. Our work focuses on innovating with the maximum possible knowledge of each platform to help you achieve your objectives in the shortest possible time, while giving you a real vision of the project and setting achievable goals within specific deadlines. 

We never launch digital advertising campaigns without testing commercial arguments with big data and A/B Testing tools to identify the most effective commercial arguments and ensure that most of the budget is invested in the most effective ads. We update campaign data in real-time so that our control and reporting of campaigns is total. 

We constantly request feedback from our clients to ensure that the quality of the traffic we generate is ideal and that we reach audiences with the highest conversion potential. 

We meet monthly with the entire team involved in the projects, as well as the agency partners, to ensure that the strategy we follow is the most suitable and to contribute as much as possible to each project. 

We work across all channels and distribute your budget to ensure the maximum return on investment in each channel. Sometimes, we will recommend slowing down investment in some channels and increasing it in others in order to achieve the best results in the short, medium, and long term, designing realistic yet ambitious marketing plans. 

Our team consists of account managers and technicians from each of the areas we work in. In the case of social networks, we have technicians specialized in each platform to ensure the maximum "know-how" for each strategy we implement. 

We are responsible for disseminating more than just our own commercial arguments. We do smarter marketing with a more elaborate strategy designed to persuade more demanding potential clients who don't believe everything brands tell them. We combine our own content with third-party content within the advertising strategy to convince even the most demanding clients that we are their best option. 

SEO today is not based on tricks but on hard work and excellence.

We know the hundreds of factors that affect a website's ranking and we have a plan to optimize each and every one of them so that we don't have to doubt which are the most relevant.

We work with hour packs to demand the same from ourselves month after month, regardless of position, as there are always new keywords and the level of demand should never decrease.

Online Advertising

Experts in creating multichannel tests with trial budgets to determine the most profitable messages, designs, channels, and sources before launching the entire campaign budget.

Daily analysis of micro-tests and metrics dashboard for better understanding and decision-making.

Website Creation

We are a marketing agency that develops websites tailored to the strategies it wishes to implement.

First the marketing plan, then the web proposal.

Experts in usability and conversion.

DESCRIPTION

COLOURS (thecoloursbox.com) is a content creation and production agency. Audiovisual, graphic, written, sound content...

Content that seduces, excites, entertains, educates, or informs. Content capable of transforming into leads that will generate sales for your company.

We are specialists in advertising, video creation and production, marketing and communication strategy, inbound marketing, digital marketing, and event creation.

SERVICES

- B2B AND B2B ADVERTISING

- VIDEO PRODUCTION (SPOTS, CORPORATE VIDEOS, PRODUCT VIDEOS, CASE STORIES, DEMOS...)

- MARKETING AND COMMUNICATION STRATEGIES

- INBOUND MARKETING AND DIGITAL MARKETING

- GRAPHIC DESIGN

- CONTENT MARKETING AND BRANDED CONTENT

- INTERNAL COMMUNICATION

INBOUND COLOURS ( https://inboundcolours.com ) is our digital marketing agency specializing in inbound marketing and inbound sales. The agency is a HubSpot partner, a leader in automation tools and the reference CRM in marketing and sales.

🇪🇸 Español MA: El estándar de oro en crecimiento digital. No buscamos visibilidad, buscamos dominio. En MA fusionamos el análisis de datos con la cultura de los influencers para que tu marca no solo esté presente, sino que sea líder. Nuestros Servicios de Élite: Ads en Todas las Plataformas: Dominamos el ecosistema publicitario global (Meta, Google, TikTok, etc.). Maximizamos tu inversión con segmentación de alta precisión. Estrategia de Seguidores (Orgánico + Ads): Crecimiento real y masivo. Combinamos contenido viral con campañas de captación para construir comunidades fieles. Gestión Experta de Redes Sociales: Delegue su comunicación en profesionales. Transformamos tus perfiles en motores de ventas con una estética premium. Nota para clientes: En MA operamos de forma directa. No pagamos tarifas externas ni créditos para acceder a ofertas de trabajo o licitaciones. Si quieres trabajar con nosotros, contacta directamente para una propuesta personalizada. 🇺🇸 English MA: The Gold Standard in Digital Growth. We don't just seek visibility; we seek dominance. At MA, we merge data analytics with influencer culture to ensure your brand doesn't just exist—it leads. Our Elite Services: All-Platform Ads: We master the global advertising ecosystem (Meta, Google, TikTok, etc.). We maximize your ROI through high-precision targeting. Follower Strategy (Organic + Ads): Real, massive growth. We combine viral content with acquisition campaigns to build loyal communities. Expert Social Media Management: Delegate your communication to the pros. We turn your profiles into sales engines with a premium aesthetic. Note for clients: At MA, we operate directly. We do not pay third-party fees or credits to access job offers or project biddings. If you wish to work with us, please contact us directly for a personalized proposal.

Adsmurai: Redefining marketing transformation through AI

We don’t follow trends—we set them. Adsmurai develops AI-driven solutions that transform how brands and agencies manage their campaigns. By combining artificial intelligence, automation, and real-time data analysis, we make decision-making faster, smarter, and more efficient.

Our mission is clear: eliminate complexity and maximize impact. From ad optimization to advanced attribution, we provide the tools marketers need to make every investment count. With a team of over 400 experts and strategic partnerships with Meta, Google, TikTok, and Pinterest, we are redefining what it means to do marketing in the digital era.

Adsmurai Marketing Platform: Automation, AI, and Seamless Performance

Adsmurai Marketing Platform is the AI-powered, all-in-one solution that transforms digital marketing execution—automating workflows, optimizing performance, and maximizing ROI. Designed for brands and agencies that demand efficiency, precision, and scalability, it centralizes campaign management, data intelligence, and omnichannel execution in a single ecosystem.

Adsmurai Marketing Platform drives operational efficiency, cuts down on manual tasks, and maximizes return on investment. Adapting quickly to changing market dynamics, and unlock transformative growth—backed by a future-ready, privacy-compliant architecture.

💡 Why Adsmurai Marketing Platform?

✅ Effortless Automation – Reduces manual work and scales campaigns seamlessly.

✅ AI-Powered Budget Optimization – Advanced models like MMMs ensure ad spend goes where it delivers the most impact.

✅ Complete Real-Time Visibility – AI-driven dashboards centralize data from Paid Media, CRM, GA4, and eCommerce.

✅ Dynamic Ads & Feed Optimization – Automatically enhance creatives and product catalogs across Meta, Google, TikTok, and Pinterest.

✅ Privacy-First Tracking – One Tag enables conversion tracking without relying on cookies, fully compliant with privacy regulations.

It’s not just about managing campaigns—it’s about mastering them. 🚀

Strategic Partnerships

Adsmurai has become one of the few companies worldwide to be an official partner of Meta (2015), Google (2018), Pinterest (2019) and TikTok (2021).

Karmina is a 360º communication and marketing agency established in 2015. Our team of over 30 professionals is based in Barcelona, Madrid, and Buenos Aires. We are currently engaged in numerous exciting projects and remain driven by our ambition to grow and achieve even greater success.

At Otternative Marketing (OMG), we know that behind every brand there are unique stories and dreams. Our commitment goes beyond being just a marketing agency; we are the architects behind those moments when you say "OMG!", moments that surprise and delight both you and your audience.

We are passionate about what we do, and we will dive into the essence of your brand, exploring every detail of your business to create a strategy that makes you stand out from the rest, making your company's values the protagonists. Our goal is not only to position you as a leader in your field but to create a unique connection with your audience that solidifies your place as a leader in your field.

Why choose Otternative Marketing?

• OMG, they really listen to me: At Otternative, personalization is key. Each strategy is meticulously designed to reflect your specific needs and your brand's unique aspirations, ensuring that every solution is as unique as your business.

• OMG, the results are impressive: We pride ourselves on generating campaigns that not only capture attention but also achieve measurable results. From increasing engagement to improving conversion, we ensure that every marketing action contributes significantly to your business objectives.

• OMG, they are like part of my team: Our philosophy is to work side-by-side with you. We act as an extension of your team, maintaining open and transparent communication. This allows us to align our strategies with your vision and work together towards common success.
• OMG, they are always one step ahead: We keep our focus on the cutting edge of trends and technologies. Staying up-to-date allows us to offer you the most innovative solutions, ensuring that your business not only adapts but leads in its market.

Get in touch with us and prepare for your next OMG moment, it will leave you speechless 😲

We are a creative studio from Madrid accustomed to working with any part of the world and specializing in everything that can improve your brand's visibility in digital environments: Web development, SEO positioning, digital strategy, social media, video production, branding, etc. Are you looking for something like this?

Blubber is made up of a small, but flexible and multidisciplinary team. We like to integrate well with your project because we need to understand your problems and objectives for everything to turn out perfectly.

We are direct and say things clearly, it's the only way we've found for what you ask us to work. In our methodology, all phases have the opportunity to be subject to changes. If we like it and you don't, we change it so that we all like it.

We are experts in developing creative ideas so that clients perceive you as you want them to.

Surely after all this, you have become curious about us. Therefore, it's time to organize your thoughts... Ready to improve?

CoRegistros es una empresa líder en marketing digital especializada en la generación, gestión y optimización de bases de datos de clientes para impulsar el crecimiento de negocios B2B y B2C. Con más de 16 años de experiencia, combinamos tecnología avanzada, como inteligencia artificial y machine learning, con un profundo conocimiento del mercado para ofrecer soluciones personalizadas y de alta calidad.

Nuestra misión es convertir datos en oportunidades comerciales precisas mediante estrategias multicanal que integran email marketing, SMS, telemarketing y marketing postal, siempre cumpliendo con la normativa GDPR. Además, brindamos consultoría estratégica y acompañamiento continuo para que cada cliente maximice su retorno de inversión y alcance resultados sostenibles a largo plazo.

Artemis Leads facilitates substantial B2B growth through strategic outbound prospecting. We act as an integral part of your team by curating targeted lists, crafting persuasive messaging, and implementing outreach campaigns aimed at initiating dialogues with your ideal clientele. Serving clients throughout Europe and North America, we assist agencies, startups, and service providers in establishing revenue streams without the need for internal sales teams.

Global digital agency Google Premier Partner and Meta Partner. Top 3% in performance. 360° multichannel strategies in 6 languages, focusing on measurable results, profitable growth, and real conversion.

We analyze your project and check its strengths and weaknesses. Once we have a good analysis, we begin preparing and defining actions so that you can obtain profitability from our services as quickly as possible. We always value communication with our clients to achieve the set objectives in the most effective way.

Our mission

Our mission is to ensure that all innovative digital projects understand growth and have the tools to grow their business and make a positive impact on the world.