
How to write a B2B case study for your website
The short version
A B2B case study is a written story about how you solved a specific problem for a client and the result.
Choose the project closest to the problem your next buyer has, and ask the client for permission when the project starts.
Tell it in three parts (the problem, what you did, what changed) and put the result in the headline.
Make the page easy to scan, with large numbers, a result-driven quote, and a details strip near the top.
Build one template so the next case study takes less than an afternoon and doesn't need a developer.
Your best work is probably sitting in a project folder.
The project went well, and the client was happy, and then nobody wrote it up, either because the client's legal team had to approve it or because nobody owned the job.
Meanwhile, a buyer is on your website trying to determine if you've solved a problem like theirs.
The steps below turn those projects into pages that answer that question, even if you have to anonymize client results.
How do you write a B2B case study for your website?
Step 1: Pick the project a buyer would recognize
Choose the project that matches the problem your next buyer has, even if it wasn't your biggest job.
Look for the same type of company, a similar size, and a similar problem.
A buyer reads a case study looking for themselves in it.
Step 2: Ask for permission when the project starts
Ask while the client is happy and the relationship is fresh, and agree on what you can share:
the name
the logo
the numbers
and a quote
If the client can't be named, which is common in financial services, legal, and engineering, describe them by industry and company size.
A case study about a mid-sized engineering firm still shows a buyer you've handled their kind of problem.
Step 3: Tell it in three parts
Start with the problem the client had, then what you did, then what changed.
Put the result in the headline, in words the buyer would use.
Skip your company history, since the reader came for the client's story.
Step 4: Make the numbers easy to find
Pick your two or three strongest results and set them large near the top of the page.
Only use numbers the client has confirmed.
A before and after comparison helps a buyer see the change without doing the math.
If the case study is mostly numbers, a simple chart or table makes them easier to digest.
Step 5: Add a quote with something in it
A line like "approvals went from two weeks to three days" tells a buyer more than "great to work with."
Attach it to a person, or to a job title and company size if the client has to stay anonymous.
Set the quote in a shaded box so it stands out from the body text.
Step 6: Design the page for scanning
Most visitors skim, so use clear headings, short paragraphs, bullets where they help, and room around each block. Add a details strip near the top so a buyer can tell in seconds whether the page is about them. It should cover:
Industry
Company size
What you did
Timeline
Keep the type hierarchy simple: a large title, smaller headings, then body text.
Step 7: Show the work
Use real photos, screenshots of what you delivered, or a simple chart. If the work isn't visual, draw the process, show a before and after of a report, or use simple icons to guide the reader through the problem, the work and the result. Stock photos could sit on anyone's website, so they add nothing to a story that belongs to you and one client.
Step 8: Build one template
Use the same layout every time, so adding the next case study takes an afternoon.
The person who runs your website should be able to post it without calling a developer.
A page with a wall of text and no visuals gets skipped, and a template with set headings, a quote box and an image slot makes that harder to do by accident.
Frequently asked questions
What is a B2B case study?
A B2B case study is a written story of how you solved a specific problem for a client, including the result. Buyers read it to judge whether you can do the same for them.
What should a case study include?
Include the client's industry and size, the problem, what you did, the result with numbers the client has confirmed, a quote, and one call to action.
How long should a B2B case study be?
Long enough to cover the problem, the work and the result. Aim for a page a buyer can read in two or three minutes, with the key numbers visible at a glance.
Can I publish a case study without naming the client?
Yes. Describe the client by industry and company size, and ask them to approve the wording. This is common in financial services, legal and engineering.
What if my work isn't visual?
Use a process diagram, a chart, a screenshot of what you delivered, or a before and after comparison. Simple branded icons can also guide a reader through each section.
Next step
If you'd like help turning your projects into case studies, book a call with me.
Jameela Ghann, CM, is a Chartered Marketer (Canadian Marketing Association) based in Calgary. She works as a brand marketing and communications partner for B2B companies.

