What Case Studies and Results Should an SEO Agency Provide?
A case study is where an agency proves it can do the work or quietly shows it cannot. The difference is in the detail. Here is what a good SEO case study should contain, how to judge the results and how to spot a vanity screenshot dressed up as proof.
A good SEO case study should show the starting point, what was done, the results over time and ideally the business outcome such as leads or revenue, for a client similar to you. Be wary of vague before-and-after screenshots with no context, since honest detail matters far more than a single dramatic headline number. One relevant, well-explained example beats a dozen unrelated ones.
A good case study
at a glance
The best case studies tell a complete story. These three numbers frame what to expect.
Parts of the story
Starting point, work done, results over time and the business outcome.
Context-free wins
A number with no story behind it should not reassure you on its own.
Relevant example
One result close to your business is worth more than many unrelated ones.
What good results look like
A case study should be a small, honest story rather than a single screenshot. Told well, it shows not just that an agency got a result but how, which is what tells you whether it can do the same for you. Here are the parts a strong case study contains and how to read each one.
The starting point
Every useful case study begins with where the client started. Without a baseline, a result means nothing. Going from nowhere to the top of a quiet niche is very different from breaking into a competitive market. A good case study is honest about the starting position, so you can judge the size of the achievement rather than take a percentage on trust.
What was actually done
Next comes the work. A strong case study explains what the agency did: the audit, the strategy, the content, the technical fixes and the authority building. This is the part that proves competence, since results without method could be luck or a rising tide. The detail here also shows whether the agency understands its own craft well enough to explain it plainly.
The results over time
Then the results, shown over a clear period rather than a single moment. SEO compounds, so a sensible case study tracks progress across months. Look for steady, believable growth rather than a sudden spike with no explanation. Results framed honestly over time are far more convincing than one dramatic figure pulled from the best possible week.
The business outcome
The best case studies go one step further and connect rankings to business impact: more enquiries, leads or revenue. Rankings are a means, not the point. A case study that shows the work led to real customers is the strongest kind, since it proves the agency understands that your goal is a healthier business rather than a prettier graph.
Relevance to your situation
Finally, weigh relevance. A brilliant result in a completely different sector is interesting but less reassuring than a modest one in a field like yours. Relevance shows the agency has handled your kind of challenge before. One strong, relevant example is worth more than a wall of unrelated logos and numbers.
Spotting a weak case study
Weak case studies share a look: a bold number, a ranking screenshot and little else. No starting point, no method, no timeframe and no outcome. They are designed to impress at a glance rather than to inform. The panel below sets out the parts a complete case study should contain, so you can tell a real one from a piece of decoration.
Three things a case
study must show
The starting point
Where the client began, so the result can be judged honestly. A baseline turns a number into a real achievement you can measure.
What they did
The work behind the result: audit, strategy, content and links. This is what separates genuine competence from luck or a rising tide.
Results and impact
Growth over time, ideally tied to leads or revenue. The strongest proof is a result that became real business, not just a graph.
Anatomy of a
good case study
The six parts a complete case study should contain, beyond a single number.
Four questions about
a case study
When an agency shows you a result, these four questions reveal whether there is real substance behind it.
A real case study
vs a vanity screenshot
Both can look impressive for a second. Only one survives a question or two about how it was done.
Complete and honest
- Starts with a clear baseline
- Explains the work that was done
- Shows results over a real period
- Connects to leads or revenue
- Comes from a relevant client
Shiny and hollow
- A big number with no baseline
- No mention of what was done
- A single moment, not a trend
- Rankings with no business impact
- From an unnamed or unrelated client
Case studies that
tell the whole story.
Ask us how a result was earned and you will get the full picture: the starting point, the work and the business it brought. No screenshots without substance. Free quote today, from £350 per month.