SEO Agency
Here's how I actually think about seo agency when I'm in the middle of a real project.
Start here
- Clarify the outcome
- Check the live SERP
- Change one thing, then measure
What I'd do first
- Clarify the outcome you need this week
- Check the live SERP for the query
- Change one page, then measure in Search Console
Plain-English take
An SEO agency is a company that provides search engine optimization services to improve a website’s visibility, organic traffic, and rankings in search engines like Google.
What I got wrong
- Treating it as a one-off task
- Copying someone else's playbook without checking intent
- Measuring vanity metrics instead of the job-to-be-done
Next step
Quick answers
What does an SEO agency do?
An SEO agency improves a website's visibility in organic search results through technical optimization, content improvements, and link building.
How is an SEO agency different from a marketing agency?
A marketing agency may cover paid ads, branding, and social media, while an SEO agency focuses specifically on organic search performance.
Is SEO a one-time service?
No, SEO is an ongoing process because search algorithms and competitor strategies change continuously.
Sources
Primary documentation is linked directly. Anything commercial is marked nofollow.
- Google Search Central — Google’s official documentation for how search works, crawling, indexing, and SEO best practices.
- Google Search Central SEO Starter Guide — Canonical beginner reference for core SEO concepts relevant to agency services.
- Ahrefs Blog — Clear breakdown of common SEO agency services and deliverables.
Notes from Callum Bennett.