Why Your Agency's Case Studies Are Killing Your Sales (And How to Fix Them)
Introduction
The Fundamental Problem
A case study is read by a prospective client who is trying to answer one question: can this agency solve a problem like mine? Everything in the case study should be designed to answer that question as clearly and specifically as possible.
Instead, most agency case studies are designed to look impressive. They prioritise visual impact over strategic insight. They describe the creative execution in detail but give little context about the strategic problem being solved. They present results in whatever form looks best — percentage increases without baselines, reach figures without context, awards won as evidence of effectiveness.
The prospect reads the case study and thinks: this looks good, but I don't know if it's relevant to my situation. And then they move on.
What a Case Study Should Actually Do
A well-constructed case study functions as a sales argument. It demonstrates that the agency understands how to diagnose a specific type of business or marketing problem, develop a strategic approach to solving it, execute that approach with genuine craft, and measure whether it worked. That's the argument every prospective client needs to hear — and most case studies don't make it.
The Structure That Works
| Section | What to Include | Common Mistake |
|---|---|---|
| The problem | The client's specific business challenge, not just the brief | Starting with the brief rather than the underlying problem |
| The insight | The strategic realisation that drove the creative approach | Skipping from problem to solution without explaining the thinking |
| The approach | What you did and why, with enough detail to demonstrate expertise | Describing execution without explaining strategic rationale |
| The outcome | Specific, verifiable results with business context | Vanity metrics without baseline or business impact |
| The learning | What you took away from this work that makes the next brief better | Omitting this entirely — it's the most powerful trust signal |
The Results Problem
Results are the section most agencies get most wrong. "20 million views" is not a result — it's a metric. A result connects that metric to a business outcome: "20 million views across the campaign drove a 340% increase in display suite visits above the developer's benchmark and contributed to a sell-out of the limited release in the first sales weekend." That's a result.
The reason most agencies don't write results this way is that they don't know them. They know the campaign metrics but not the business outcomes. Fix this by building outcome reporting into your client relationships — ask for business results, not just campaign data, at every review.
AX Creative's Case Study Approach
Every AX Creative case study is built around the strategic problem before the creative solution. We work with clients to document genuine business outcomes — not just campaign metrics — so that the case studies we publish are actually useful to the prospects reading them.
Frequently Asked Questions
How long should an agency case study be?
800–1,200 words for a written case study is the right range. Long enough to tell the story with genuine depth; short enough that a busy prospect will actually read it. Video case studies of 90–120 seconds perform well for initial discovery; longer formats (3–5 minutes) work for prospects already in evaluation mode.
How do you get clients to share results for case studies?
Build it into the engagement from the start. Include a results-sharing clause in your client agreement. Frame it as mutual benefit — the case study promotes the client's brand as well as yours. And ask for specific business outcomes at each quarterly review, not just at the end of the engagement.
Should case studies be gated or ungated on an agency website?
Ungated. Gate-keeping case studies for lead capture signals that your primary goal is collecting email addresses rather than helping prospects make a good decision. The best agencies are confident enough in their work to share it freely — and the trust that builds converts more leads than any gated content strategy.
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