Technical Definition
SEO agencies are external companies providing SEO services to clients. Models: full-service (strategy, content, technical, links), specialized (only technical, only link building), project-based, or retainer. Evaluation criteria: track record, case studies, process transparency, communication, pricing structure. Agency work often complements in-house capabilities.
Simple Explanation (ELI13)
An SEO agency is an outside company you hire to do SEO for you. Some do everything; others specialize in specific areas like link building or technical SEO. When choosing an agency, look at their past results, how they communicate, and whether they explain what they'll do. Avoid anyone who promises guaranteed rankings.
Related Terms
In-House SEO, Consulting, Vendor Management, Services
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