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Customer case study outline template

A useful case study reads like a story a buyer can see themselves in: who the customer is, what wasn't working, what they changed and what happened, with real numbers they agreed to share. Keep the product in the supporting role; the customer is the hero.

Use it for

  • After a customer gets a clear, measurable result.
  • For enterprise sales and one-pagers.
  • As proof on landing pages (with permission).

Limits and rules

  • Use only real results the customer approves, and say how they were measured. Don't round up or restate numbers.

The template

Copy it, then replace everything in [BRACKETS]. Delete lines that don't apply rather than leaving them vague.

Case study outline template
TITLE: How [CUSTOMER] [ACHIEVED RESULT] with [PRODUCT]

AT A GLANCE
Customer: [NAME, INDUSTRY, SIZE]
Challenge: [ONE LINE]
Result: [MEASURED OUTCOME + TIMEFRAME + HOW MEASURED]

1. THE CUSTOMER
[WHO THEY ARE, WHAT THEY DO]

2. THE SITUATION
[WHAT WASN'T WORKING, IN THEIR WORDS]

3. WHAT THEY TRIED FIRST
[WORKAROUNDS / OTHER TOOLS AND WHY THEY FELL SHORT]

4. WHAT CHANGED
[HOW THEY USE THE PRODUCT - SPECIFIC WORKFLOW]

5. RESULTS
- [METRIC]: [BEFORE] -> [AFTER] over [TIMEFRAME]
- [QUALITATIVE CHANGE]

6. IN THEIR WORDS
"[APPROVED QUOTE]" - [NAME, ROLE]

7. WHAT'S NEXT
[HOW THEY PLAN TO EXPAND USE]

INTERVIEW QUESTIONS
- What was happening before you started?
- What did you try first?
- What made you choose [PRODUCT]?
- What changed, and how do you know?
- What would you tell a peer?

How to fill it in

  1. Result

    Include the timeframe and how it was measured.

  2. What they tried first

    Buyers identify with the failed workaround.

  3. Quote

    Their words, approved in writing.

Filled example

Fictional example. Paperlark is a fictional product we made up for these examples: an invoice-reminder tool for freelancers that sends polite follow-ups when a client pays late. Names, prices and details are invented to show the template filled in; they aren't a real company or real results.

Example (fictional product)
TITLE: How a two-person design studio stopped chasing invoices with Paperlark

AT A GLANCE
Customer: small design studio (fictional)
Challenge: late payments from retainer clients
Result: shown here as placeholders - a real case study would use the customer's own approved numbers

1. THE CUSTOMER
A two-person studio doing brand work for local businesses.

2. THE SITUATION
"We'd both assume the other one had sent the reminder."

3. WHAT THEY TRIED FIRST
A shared spreadsheet of overdue invoices. Nobody updated it.

4. WHAT CHANGED
Every invoice goes to Paperlark on the day it's sent, with a friendly reminder at 3 days and a firm one at 14.

5. RESULTS
- Average days late: [BEFORE] -> [AFTER] over [3 MONTHS], measured from their invoicing tool
- No more "did you chase them?" conversations

6. IN THEIR WORDS
"[Approved quote]" - co-founder

(Everything here is fictional; we left numbers as placeholders on purpose.)

Do

  • Get written approval for every number and quote.
  • Say how results were measured.
  • Keep it scannable with an at-a-glance box.
  • Link it from relevant landing pages.

Don't

  • Don't invent or round up results.
  • Don't make the product the hero.
  • Don't publish without the customer's final approval.

FAQ

How long should a case study be?

Long enough to tell the story with real results; many work as one page with an at-a-glance summary.

What if the customer won't share numbers?

Use qualitative results and their quote, or anonymize with their approval. Don't estimate numbers for them.

How do I get customers to agree to a case study?

Ask after a clear success, explain where it'll appear, and let them approve the final text.

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