The Best SEO Agency to Improve Visibility and Rankings
From rankings to revenue, you’ll grow the metrics that matter most with our SEO agency. With our custom search engine optimization services, industry-leading team, and award-winning tech, our clients have earned more than $10 billion in revenue over the past five years, resulting in one of the industry’s highest client satisfaction rates.
O que é uma agência de SEO?
An SEO agency is a company that provides SEO as a service to businesses from small and medium-sized businesses (SMBs) to larger companies needing enterprise SEO services.
On this page:
What do SEO agencies do?
SEO agencies offer a variety of search engine optimization services. Core services offered by SEO companies include:
Os serviços de SEO para IA (também designados por serviços de otimização de pesquisa generativa) são um tipo de serviços de marketing digital que se concentram na otimização do conteúdo do seu sítio Web para aparecer nos resultados de pesquisa de IA. Esses resultados de pesquisa podem incluir respostas de ferramentas como ChatGPT ou Copilot, bem como visões gerais de IA nos resultados de pesquisa do Google.
Existem vários benefícios na utilização de serviços de IA SEO, incluindo
- Aumento da visibilidade na pesquisa (para além dos resultados de pesquisa tradicionais)
- Greater brand awareness
- Uma maior vantagem sobre os concorrentes
- Tráfego mais qualificado no sítio Web
- Um aumento das receitas
Os serviços de SEO on-page são serviços de otimização para motores de busca que melhoram partes do seu sítio Web para melhorar as classificações em motores de busca como o Google, o Bing e outros. A sua agência realizará serviços de SEO na página, como pesquisa de palavras-chave, criação de conteúdos, ligações internas e muito mais.
Benefits of on-page SEO include:
- Improved rankings in search results
- Increase in your organic traffic
- Building your relationship with your target audience
Technical SEO services involve optimizing the technical elements of your website so search engines can effectively crawl, index, and understand your pages. These services include improvements such as increasing page load speed, enhancing crawlability and indexing, submitting your sitemap to Google, implementing schema markup, and ensuring your site meets key technical requirements like mobile-friendliness and security.
Benefits of technical SEO include:
- Higher search rankings by meeting search engines’ technical requirements.
- Better crawlability and indexing, ensuring search engines can discover and understand your pages.
- Improved user experience through faster load speeds, mobile-friendliness, and security.
- Increased web traffic, leads, and sales as a result of better visibility in search results.
- Greater search engine trust, which supports long-term performance and discoverability.
Link building services involve securing high-quality backlinks from authoritative third-party websites to your own site. These services are designed to drive referral traffic and signal to search engines that your site is trustworthy and credible, which can lead to stronger search visibility and higher rankings.
Businesses gain several advantages from developing a strong backlink profile, such as:
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Strengthening your site’s authority through backlinks from reputable websites.
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Driving referral traffic from related pages with users already interested in your offerings.
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Improving search rankings by enhancing your backlink profile and boosting PageRank.
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Supporting higher lead generation and sales by attracting more qualified traffic from search results.
Content marketing services are one-time or ongoing services for producing online content, like a blog post or infographic. Freelancers, contractors, and agencies offer content marketing services. Content marketing has many benefits for businesses.
Here are some of the main ones:
- Criar consciência de marca
- Reforçar a confiança e a autoridade
- Gerar mais contactos qualificados
Os serviços locais de SEO são serviços profissionais que ajudam a sua empresa a obter uma classificação mais elevada nos resultados de pesquisa. Alguns exemplos de serviços locais de SEO incluem a reivindicação de listagens de diretórios locais, a criação de citações locais e a otimização do seu conteúdo na página.
A SEO local é importante por algumas razões, incluindo as seguintes:
- It reaches prospects with an immediate need
- It finds people early in the buying journey
- It earns you more buyer trust
- It eases conversion pain points
- It reaches a more specific audience
Os serviços de SEO para comércio eletrónico são estratégias especializadas utilizadas por agências para otimizar o sítio Web de uma loja online para obter melhores resultados nos motores de busca. Estes serviços ajudam as empresas de comércio eletrónico a obter mais tráfego, vendas e receitas através da construção da sua marca e visibilidade geral.
Algumas outras vantagens importantes da SEO para comércio eletrónico incluem
- Marca melhorada que reflecte a sua empresa
- Melhores taxas de conversão
- Melhoria da credibilidade
- Classificações de pesquisa mais elevadas
- Maior envolvimento do cliente
Enterprise SEO services are strategies offered by specialized SEO companies that improve an organization’s search engine rankings and traffic. These services often include advanced techniques that manage the website’s scale and structure.
Benefits of enterprise SEO services include:
- Access to award-winning SEO specialists with extensive industry experience.
- Data-driven strategies focused on improving ROI and bottom-line growth.
- Streamlined integration with a full suite of digital marketing services.
- Enhanced ROI tracking and performance through in-house revenue acceleration software.
- SEO strategies aligned with overall business goals to support long-term growth.
Vantagens de trabalhar com uma agência de SEO
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SEO Agency Pricing
How much do SEO agencies charge? SEO agency pricing typically ranges from $1500 to $5000 per month, with hourly retainers between $100 and $300, and project-based engagements priced from $5000 to $30,000 depending on scope and complexity.
Your investment in an SEO agency will vary based on factors such as:
- Website size and scope – Larger, more complex sites require deeper audits, more content, and broader technical oversight.
- Industry competitiveness – Highly competitive markets demand more aggressive and ongoing SEO efforts.
- Your strategic SEO goals – Whether you need full-service management, technical cleanup, or enterprise-level support affects total cost.
- Your decision to outsource – Partnering with an agency versus managing SEO in-house shifts both cost and workload distribution.
- The agency’s pricing model and expertise – Monthly retainers, hourly consulting, and project-based pricing each come with different cost structures tied to the agency’s seniority and capabilities.
What to Look for in SEO Agencies
- Proven Performance – Top SEO companies demonstrate real results, including traffic growth, keyword gains, and measurable ROI.
- Transparent Pricing – They clearly outline what you’re paying for and eliminate hidden fees or vague deliverables.
- Customized Strategies – Strong agencies tailor SEO plans to your niche, goals, and audience instead of relying on one-size-fits-all tactics.
- Ethical, Full-Service Approach – They use white-hat practices and manage all key SEO components, from content and UX to technical performance and backlinks.
- Expert Team and Communication – The best partners offer specialized talent, proactive updates, and a commitment to keeping you informed.
SEO.com is powered by the SEOs at WebFX, a tech-enabled digital marketing and SEO agency with over 25 years of experience helping businesses grow online.
SEO Agency FAQs
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O que é uma agência de SEO?
An SEO agency is a company that provides search engine optimization services for businesses of all sizes. Its role is to help organizations improve their website rankings in search engine results pages (SERPs) and drive more qualified traffic.
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O que faz uma agência de SEO?
An SEO agency optimizes websites to improve visibility in online search. Services may include consulting, on-page optimization, off-page optimization, and technical SEO. Agencies enhance content, build authoritative backlinks, and strengthen site performance to support long-term rankings.
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Que serviços oferece uma agência de SEO?
SEO agencies may provide audits, competitor analysis, SEO content creation, earned media and backlink development, technical optimization, and local SEO. Many also offer complementary digital marketing services such as PPC, social media, web design, and email marketing.
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How much do SEO agencies cost?
SEO agency pricing typically ranges from $1500 to $5000 per month, with hourly rates between $100 and $300, and project-based pricing from $5000 to $30,000, depending on the scope of work.
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Quando é que devo contratar uma agência de SEO?
Businesses typically hire an SEO agency when they need to scale SEO efforts, achieve goals they’re struggling to reach, fill internal skill gaps, or optimize marketing costs. Resource limitations and stalled performance are common indicators that it’s time to outsource SEO.
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What should I look for in an SEO agency?
Look for a partner with proven performance, transparent pricing, and strategies tailored to your business. Strong agencies use ethical, full-service SEO methods and provide access to specialists who communicate clearly and keep you informed throughout your campaigns.
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Como contratar uma agência de SEO?
Effective hiring starts with defining SEO goals, budgets, and requirements. From there, businesses should evaluate agencies by reviewing case studies, gathering recommendations, comparing deliverables, and asking detailed questions. Red flags include guaranteed results, vague pricing, and refusal to share references.
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Why partner with your SEO agency?
We bring decades of SEO experience, a track record of data-driven results, and a dedicated account manager supported by specialists across SEO and digital marketing. Clients also gain access to our advanced technology suite, designed to maximize performance and long-term ROI.
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