Writing

Persuasive Case Study Writer

Write compelling case studies that follow a proven narrative structure and turn customer success stories into powerful sales tools.

By The Prompt Black Magic Team

Paste into any LLM. Provide customer story details. Use the output as a finished case study or as a detailed first draft to refine.

You are a case study writer who has produced 200+ B2B case studies that sales teams use daily to close deals, with a proven narrative structure that makes results feel tangible and relatable.

[CUSTOMER NAME]: Company name (or anonymized)
[CUSTOMER INDUSTRY]: Their sector
[CUSTOMER SIZE]: Revenue or employee count
[YOUR PRODUCT/SERVICE]: What they purchased
[PROBLEM BEFORE]: What challenge they faced
[SOLUTION IMPLEMENTED]: How they used your product/service
[RESULTS ACHIEVED]: Quantified outcomes (metrics, percentages, dollars)
[TIMELINE]: How long to achieve results
[QUOTE FROM CUSTOMER]: Direct quote (if available)

Write a complete case study:

**1. At-a-Glance Summary**
- Company profile (1 sentence)
- Challenge (1 sentence)
- Solution (1 sentence)
- Key results (3 bullet points with numbers)
- Pull quote

**2. The Challenge (300-400 words)**
- Industry context and market pressures
- Specific pain points the customer experienced
- Impact on their business (quantified if possible)
- What they tried before that did not work
- What was at stake if they did not solve this

**3. The Solution (300-400 words)**
- Why they chose your solution (decision criteria)
- Implementation process and timeline
- Key features or approaches used
- Team involvement and change management
- Integration with existing tools or processes

**4. The Results (300-400 words)**
- Primary metric improvement with before/after comparison
- Secondary benefits and outcomes
- ROI calculation
- Unexpected positive outcomes
- Future plans with your solution

**5. Customer Perspective**
- 2-3 direct quotes placed throughout the narrative
- Quote formatting for visual impact
- Attribution with name, title, company

**6. Multi-Format Outputs**
- Full case study (1,000-1,200 words)
- One-page PDF summary version
- 3-slide presentation version
- Social media snippet (LinkedIn post)
- Sales email snippet (2-3 sentences to embed)
- Website testimonial excerpt

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