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How do I write a case study that builds trust?

● The short answer

Tell one real client's story in a simple shape: the situation and problem, what you did and why, measured results, and the client in their own words. Use specific numbers you can back up, name the client with permission, and be honest about what was hard. A short, verifiable case study beats a long, vague one.

Key takeaways

  • A case study shows how you work and what changed, not just that clients liked you.
  • Use a simple structure: situation, approach, measured results, client quote.
  • Only publish numbers you can back up, with timeframes and client approval.

Why case studies work

Reviews tell a buyer that people liked you. A case study shows how you think and what changed because of your work. For higher-ticket services, B2B companies and manufacturers, where Google reviews are thinner and decisions involve several people, case studies are often the most persuasive asset on the site. They also give AI assistants concrete, citable facts about what you do and for whom.

They also travel. A good case study becomes a sales attachment, a short social post, a slide in a pitch, a paragraph in a proposal and a talking point on a call. One well-documented project can supply proof for a year of marketing, which is why it is worth doing carefully once rather than quickly many times.

The how is where we come in.

What we walk through with you, for your business:

  • The structure
  • How to write one, step by step
  • Rules for numbers

Every business is different, so the plan is too. Tell us where you want to show up and we will show you what it takes.

Talk to us

More questions

What if my client will not let me use their name?

You can publish an anonymized case study describing the client type, size and region, such as "a family-owned manufacturer in southeast Wisconsin." It is less persuasive than a named story, so be extra specific about the problem, approach and results. Never invent details to fill the gap.

How long should a case study be?

Long enough to show the problem, approach and results clearly, usually 400 to 900 words for a web page, with a short snapshot at the top for skimmers. Buyers often read the snapshot and the quote first, so make those count. Longer is fine for complex B2B projects if every section earns its place.

Sources

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