SEO Agency in Portugal and Spain 🔎

(5.0)⭐⭐⭐⭐⭐ on Google Reviews

The Key SEO is an International SEO agency in Portugal, Spain and Brazil, that uses advanced digital marketing strategies to position business on the first page of Google and other search engines, anywhere in the world.

With more than 20 years of experience in SEO, Online Advertising, UX and Web Design, we have mastered the strategies you need to outperform your competitors, increase your online visibility, get more customers and sell more.

🎁 Want to win a SEO Analysis?

If you already have a website, this is your chance to get a free SEO analysis including performance, errors, keywords, competitive data and more.

Discover our SEO Services in Portugal🎯

Our agency in Portugal perform ADS, Content Marketing and SEO services with a focus on online and offline traffic generation.


SEO optimization

Search Engine Optimization (SEO) is the main service offered by our agency, using all professional skills and knowledge to enhance your project. Our long experience will surely lead you to the top of search results for any keyword in any niche.

Marketing de Conteúdo com foco em SEO

On-Page SEO Content

SEO Strategic Content Creation Service. Our content is always unique, exciting and inspiring, and follows good practices and technical rules to make it rich for search engines. This is the key to success in any business. We ensure that the content of our SEO campaigns is of excellent quality to make website optimization strategies successful.

metodologia OKR

Technical SEO

Website programming, speed, navigability, usability, information architecture and performance are just a few technical factors that can not be wrong for search engines to consider your site relevant to top the first search results page.


Website SEO Audit

Our SEO audit process identifies all page optimization errors on your site and technical performance and server issues. We also track all external factors important to your correct online presence, such as your competitors backlinks, anchor texts used, pages indexed by search engines, including competitor analysis.


Google ADS

We create and manage your ads on Google, also known as Google Adwords or Sponsored Links. We drive quality visits to your site or physical establishment with real potential for buying, hiring your services and exposing your brand.


WordPress Web Design

Creation of Professional WordPress Sites already optimized for Google. Development and maintenance of websites. We use WordPress, a content management system that enables the development of websites, from simple to complex, from institutional projects to complete online stores.

Social Media Marketing

Social Media Marketing means using social media platforms to promote a product or service. Nowadays, social networks like Facebook, Instagram, Linkedin, and others are very important tools for brands to reach their target audience and convert them into customers.

Steps Free SEO Analysis Website

Steps of an SEO Project in Portugal

1. SEO Audit in Portugal

The first step of an SEO Optimization project is to identify website problems. We analyze the site's infrastructure, performance, speed, programming code, current texts, usability and other aspects that may have a negative impact.

2. Scenario Analysis & Correction

Next, we will analyze the strength of your competition and discover potential keywords to work on to increase the reach and visibility of your project. With the diagnosis of these two steps, we begin the necessary technical and strategic corrections.


3. On-Page SEO & Off-Page SEO

With everything planned and corrected in the previous steps, we began producing optimized internal content (texts to rank at the top of Google) and promoting the website externally, through content marketing and link building techniques in Portugal.

With all strategic SEO actions being carried out successfully and consistently, in monthly cycles, we will begin the process of monthly monitoring of results on Google and strategy adjustments, in order to understand where we can improve and optimize the project more and more.

It is important to mention that the results of an SEO project can take between 2 and 3 months to start to be noticed.


Today, it's not enough to simply BE on the internet; your website needs to APPEAR at the top of Google, ahead of your competition. Only then will you be able to increase sales of your products or services and make your brand known.

Rodrigo Filardi, SEO Consultant in Portugal: The Key SEO Agency

Rodrigo Filardi: Consultor SEO Portugal
Lya Usui
Lya Usui
Spa de Beleza
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"Em apenas 3 meses, mesmo sabendo que poderia demorar mais tempo, já estávamos à frente do nosso maior concorrente em Portugal."
Pedro Davide
Pedro Davide
Consultor de Tecnologia
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"Consultei a The Key SEO para me aconselhar como melhorar o meu site e conseguir obter melhores resultados no Google! Num espaço de semanas os meus resultados melhoraram imenso!"
Thiago Angelo Barbosa
Thiago Angelo Barbosa
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"Quando você está liderando um projeto de internacionalização de marca, operando em 5 países diferentes, você precisa de um parceiro dinâmico que se adapte a cada mercado. The Key SEO coloca-nos no topo da pesquisa do Google e reduz drasticamente os nossos custos."​

We are proud of our International SEO Services:

The Key SEO is proud of all the results achieved with its SEO strategies in Portugal, putting many customers on top of Google, and works daily to keep up with the constant news, changes in Google practices and the way the world uses the internet in general.

We’re also proud to be listed among the best SEO companies on DesignRush.

Become one of our clients and watch your site visits increase and your sales grow.

With 3 branches in Portugal, Spain and Brazil, our focus and expertise is the realization of SEO services for various niches, which is performed for the international market, in English, Spanish, Portuguese and Italian.

There are no borders to SEO work, so there is no reason for you not to improve your search engine positioning anywhere in the world.

Agência SEO Internacional: The Key SEO

SEO = Search Engine Optimization

Search Engine Optimization (SEO) is an advanced site promotion technique performed by leveraging keywords related to the products, services or information presented on the site.

Through these SEO techniques we are able to increase the number of people who visit your site (real people who are really interested in what you offer on the site) and thereby increase the number of customers and sales.

Thus, SEO optimization service and its techniques make it possible to improve the position that your site appears in search engines such as Google, Bing, Yahoo, Yandex and others.

Investing in SEO is undoubtedly the best way to impact a qualified target audience for your company.

When we enter a search engine like Google and do a search for something (a keyword), a list of sites considered relevant to answer your search is displayed, related to that keyword you entered in the field.

Through the SEO service we can make your site appear at the top of this list, on the first page of Google, for example.

Financially, it’s easy to see that increasing your site’s visibility on this list will increase your chance of getting more customers. Therefore, SEO serves to increase ROI as well.

We can say that a complete SEO consultancy is divided into modules, which work in cycles:

  1. SEO Audit (Technical Analysis + Competition),
  2. On-Page SEO (internal optimization actions),
  3. Off-Page SEO (off-site optimization actions).

The right implementation of the 3 modules will increase your digital presence, making your project more relevant in the online environment, making your website, your brand and your products or services appear more frequently in Google results and also in others search sites.

There are several factors for a long answer, but the main reason for your company to invest in SEO is:

Today, it is not enough to simply BE on the internet, your website needs to APPEAR on the internet. Only in this way will you be able to sell more of your products or services, and make your brand known.

With the organic results obtained through SEO techniques, your website, blog or portal will receive an increasing number of qualified visitors, guaranteeing the recognition and development of your brand.

Investing in SEO is an excellent way to dissemination online, where you don’t have to pay for ads to continue to grow your business.

The SEO audit process identifies all errors in the optimization of a site’s pages and technical performance and server problems.

The SEO audit and analysis process also tracks all external factors that are important for your correct online presence, such as backlinks, anchor text, pages indexed by search engines, including competitor analysis.

Reaching top of Google in Portugal is possible!

We can create your SEO strategy and even help you with UX and Design tips that will boost your sales!
Hire an SEO agency in Portugal focused on local results!

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Why choose The Key SEO Agency in Portugal?

SEO Services for companies in Portugal, Spain, Brazil or anywhere in the world.

We perform SEO services using the most up-to-date and advanced search engine optimization and website optimization techniques: On-Page SEO, Link-Building SEO, Local SEO, Social SEO, SEO Writing, among others.

If you don’t have a website, we can create Google-optimized sites in WordPress, ready to receive all of the SEO strategies mentioned above.

At The Key SEO we are also specialists in Inbound Marketing Campaigns, Facebook Messenger Bots and Ad Management on Google Adwords, Instagram, Facebook Ads and other online ad platforms.

We were founded in Brazil, where SEO techniques are much more advanced due to market competition, which requires stronger strategies to increase online presence.

We are now an Digital Markting and SEO agency that performs SEO, Adwords and Web Design services worldwide.

What should you expect from our SEO services?

For our company, being on the first page of Google is a basic and essential factor of an SEO service, and every customer site we promote is on the first pages of search engines. It is very important to hire the services of a professional SEO firm to ensure good results and avoid Google penalties, and our team of experts has years of experience.

When choosing an SEO company, you should pay attention to how it is optimizing pages and site performance and how it is planning your backlinks profile (links from other sites to yours) to prevent it from working. done wrong and search engines penalize actions taken.

The Best Key SEO Agency in Portugal

How to be first? Do you know how a Google search works?

Como um utilizar faz uma busca?

1. User searches for keywords:

When we go to a search engine and search for a subject (word or phrase), we receive as a result a list of sites considered relevant to the search.

The text you type in the search field is what we call the keyword or keyword phrase.

2. The best results are displayed on the first page of Google:

Upon receiving the search request, Google (or any other search site) searches its own database to see which pages have the best answers to that search performed by the user.

It then displays the results on the search page, ranked from best to least relevant.

3. But how do you appear on the first page?

There are hundreds of factors that can make your site and pages relevant, meaning pages that are useful enough to display as a result of a search.

The SEO Service and Google Ads Service serves exactly to make your site appear on the first page of Google.

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