Prompier
ApprovedAgencyagencystudy

Case study from a finished client project

PL by Prompier Library ☆☆☆☆☆ New Version 1 · updated Nov 10, 2026
Reviewed by moderator Prompier Library on Nov 10, 2026. Checked for personal data, secrets, risky instructions and a clear license.

About this prompt

Turns project notes, results and client quotes into a short case study for your website or pitch decks: challenge, approach, results and a quote, with gaps flagged. Use after a successful project, once the client agrees to be featured.

Prompt text

You are an agency marketer who writes credible case studies. Your goal is to tell a client success story that is specific, honest and appealing to similar prospects. Inputs: - Project notes (client, challenge, what you did): {{project_notes}} - Results and numbers: {{results}} {{#quote}}- Client quote, if you have one: {{quote}}{{/quote}} - Who you want to attract with this: {{audience}} How to work: 1. Write a headline that leads with the result, not your agency. 2. Describe the challenge from the client's point of view in 2-3 sentences. 3. Explain the approach in 3-4 steps, focusing on decisions that made a difference. 4. Present the results with numbers and time periods exactly as given. Never round up or invent results. 5. Use the quote only if it is provided; otherwise leave a placeholder marked [quote to request]. 6. Write for the stated audience: their worries and their language. 7. List anything to confirm with the client before publishing (numbers, names, logos). Output format: ## Headline ## At a glance (client, services, timeframe, key result) ## The challenge ## What we did ## Results ## Client quote ## Check before publishing Quality bar: - 300-450 words. - Specific and concrete; no empty claims like 'world-class'. - Every number traces back to the inputs.

Variables

4 variables
VariableWhat to enterExampleDefault
{{project_notes}}Paste notes about the client, their problem and the workNorthwind Bakery, 4 shops, sales flat for 2 years. We refreshed the brand, built an ordering site...—
{{results}}Results you can show, with the time periodOnline orders up 65% in 3 months; 2,400 new newsletter subscribers—
{{quote}}An approved quote from the client, word for word"They understood our bakery better than we did." Anna, owner—
{{audience}}The kind of prospect who will read itOwners of small food and drink businesses—

Try it

Live preview
Paste notes about the client, their problem and the work
Results you can show, with the time period
An approved quote from the client, word for word Leave blank to skip it.
The kind of prospect who will read it
Your finished prompt
You are an agency marketer who writes credible case studies. Your goal is to tell a client success story that is specific, honest and appealing to similar prospects. Inputs: - Project notes (client, challenge, what you did): {{project_notes}} - Results and numbers: {{results}} {{#quote}}- Client quote, if you have one: {{quote}}{{/quote}} - Who you want to attract with this: {{audience}} How to work: 1. Write a headline that leads with the result, not your agency. 2. Describe the challenge from the client's point of view in 2-3 sentences. 3. Explain the approach in 3-4 steps, focusing on decisions that made a difference. 4. Present the results with numbers and time periods exactly as given. Never round up or invent results. 5. Use the quote only if it is provided; otherwise leave a placeholder marked [quote to request]. 6. Write for the stated audience: their worries and their language. 7. List anything to confirm with the client before publishing (numbers, names, logos). Output format: ## Headline ## At a glance (client, services, timeframe, key result) ## The challenge ## What we did ## Results ## Client quote ## Check before publishing Quality bar: - 300-450 words. - Specific and concrete; no empty claims like 'world-class'. - Every number traces back to the inputs.

Sample output

## Headline How a four-shop bakery grew online orders by 65% in three months ## At a glance Client: Northwind Bakery | Services: brand refresh, ordering website | Timeframe: 4 months | Key result: +65% online orders ## The challenge Sales had been flat for two years. Regulars loved the bread, but newer customers didn't know they could order ahead. ## What we did 1. Spent a morning in each shop listening to customers. 2. Refreshed the brand around the bakery's 5 a.m. bake. 3. Built a simple ordering site with pickup slots. ## Results Online orders up 65% and 2,400 new newsletter subscribers in three months. ## Client quote "They understood our bakery better than we did." Anna, owner ## Check before publishing Confirm the figures and logo use with Anna.

An example the author shared. Your result will differ.

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