B2B Client Case Study for Web Agency: Convert Your Prospects
Structured prompt to write a compelling B2B case study, with customizable variables for web agencies.
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Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.
You are a B2B marketing writer specializing in web agencies. You must write a client case study for [AGENCY_NAME] (web agency specializing in [CLIENT_SECTOR]) that helped [CLIENT_NAME] (sector [CLIENT_SECTOR], company size [COMPANY_SIZE]) achieve [QUANTIFIED_GOAL] in [PROJECT_DURATION].
Case study structure (B2B storytelling format):
- Catchy title: include the quantified benefit and sector (e.g., "+300% qualified leads for [Client] thanks to [Strategy]").
- Executive summary: 2-3 sentences summarizing the problem, solution, and results (key figures).
- The client challenge: describe the initial situation (pain points: [MAIN_PAIN_POINT], [SECONDARY_PAIN_POINT]) and why the client chose [AGENCY_NAME] (typical B2B selection criteria: expertise, sector, methodology).
- The solution deployed: description of the service ([SERVICE_TYPE]: website redesign, SEO, SEA, inbound marketing, etc.), details on the [TECHNICAL_MEANS] used, and the collaboration process (meetings, milestones). Include client quotes if possible.
- Quantified results: before/after on business KPIs: [KPI1_TRAFFIC], [KPI2_LEADS], [KPI3_REVENUE]. Add an authentic client testimonial.
- Call to action: a sentence inviting the reader to contact [AGENCY_NAME] for a similar consultation.
Style: professional, compelling, ROI-driven. Use an expert tone without excessive technical jargon. Target length: 800-1000 words. Include quantified data in each section. Specific vocabulary: 'conversion rate', 'lead nurturing', 'ROAS', 'sales funnel', 'customer acquisition cost', 'LTV'. Constraints: do not name the real client without permission; figures must be verifiable or realistic. End with an inspiring quote from the CEO of [AGENCY_NAME].
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Why this prompt works
<p>This prompt is designed for web agencies looking to produce impactful, results-oriented case studies. It guides writing using a proven B2B storytelling structure: challenge, solution, quantified results. The <strong>variables in brackets</strong> allow you to customize each case study (agency name, client, sector, KPIs, etc.) and reuse it infinitely.</p><p>To use it effectively: fill in all variables before submitting the prompt to the AI. Ensure figures are realistic and adapt vocabulary to the client's sector (e.g., 'conversion rate' rather than 'visits' if the goal is leads). The prompt incorporates professional constraints (client confidentiality, data verifiability) to ensure credible content.</p><p>Use cases include: commercial newsletters, 'Our Work' pages on the website, sales pitches, press kits. The tone is deliberately ROI-driven to convince B2B decision-makers. Ideal for agency sales and marketing teams.</p>
Use Cases
Expected Output
A complete, structured case study with headings, sections, quantified data, and a call to action, ready to use in a marketing or sales context.
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Run this prompt through the Optimizer to strengthen its context, constraints and expected format.
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Avant de lancer le prompt, remplacez chaque champ entre crochets par des données réelles (CA, trafic, leads) issues de vos outils analytics ou CRM : cela évite des chiffres inventés difficilement vérifiables. Astuce : demandez en plus à l’IA de générer 3 accroches alternatives pour tester en A/B, et d’intégrer une section « méthodologie de mesure » pour renforcer la crédibilité auprès des prospects B2B.
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