Curated by McKinsey-trained Executives
HOW TO WRITE A SOLID BUSINESS CASE
*A Practical Guide for Managers, Project Leaders, and Decision-Makers*
Stop watching business cases get rejected because the problem is vague, the numbers don't add up, and the recommendation isn't clear.
Most business cases fail not because the idea is weak – but because the case itself is poorly written.
The problem: vague. The options: one-sided. The numbers: unexplained. The risks: hidden. The recommendation: buried under jargon.
This guide fixes that.
WHAT'S INSIDE
✅ Complete anatomy of a strong business case – exactly what goes in every section and why
✅ How to define the real business problem – separating symptoms from root causes with evidence
✅ Strategic alignment that actually works – connecting your initiative to organizational priorities, not just asserting it
✅ Objectives and KPIs – defining success so you can measure whether you actually delivered
✅ Options analysis – how to generate and compare genuine alternatives, not just defend a pre-chosen solution
✅ Financial case built for scrutiny – NPV, ROI, payback, sensitivity analysis explained in plain English with worked examples
✅ Benefits you can actually track – avoiding double counting and separating financial from non-financial value
✅ Risk assessment that reviewers trust – honest probability, impact, mitigation, and residual exposure
✅ Implementation roadmaps – phased delivery, decision gates, and governance that actually work
✅ Executive summaries that get read – two pages that compress the entire case into a decision
✅ Three fully worked examples – digital transformation, operational efficiency, and new product initiative
✅ 18 reusable templates – copy-ready structures for every section of a business case
✅ 40-point quality checklist – catches the mistakes that kill approval before you hit submit
✅ 16 common failure modes – what goes wrong in real business cases and how to fix it
TABLE OF CONTENTS
PART 1: FOUNDATIONS
1. What Is a Business Case?
2. The Anatomy of a Strong Business Case
3. Start With the Business Problem
4. Align the Business Case With Strategy
5. Define Objectives and Success Measures
6. Define Scope, Assumptions, and Constraints
PART 2: ANALYSIS & DECISION
7. Develop and Compare Options
8. Build the Financial Case
9. Quantify and Manage Benefits
10. Assess Risks and Uncertainty
11. Evaluate Delivery Feasibility
12. Build the Implementation Roadmap
13. Stakeholder and Change Considerations
PART 3: EXECUTION
14. Write a Powerful Executive Summary
15. Make the Recommendation
16. Common Business-Case Failure Modes
17. Business-Case Writing Techniques
PART 4: EXAMPLES & TOOLS
18. Three Detailed Worked Examples
19. Reusable Templates (18 copy-ready templates)
20. Final Quality Assurance Checklist (40+ checks)
21. Glossary
22. Further Reading
WHO USES THIS GUIDE
• Managers and project leaders preparing a business case for the first time
• Finance and PMO reviewers assessing cases for completeness and rigor
• Executive sponsors who want to read and challenge a case faster
• Consultants writing cases for client engagements
• Product owners seeking investment for new products or platforms
• Strategy and operations leaders evaluating competing investment options
• Business case governance teams needing a standardized quality framework
WHAT YOU'LL GET
📄 49 pages of substantive content – no filler, no blank pages, no padding
📋 18 copy-ready templates you can use immediately
✓ 40-point quality checklist that catches mistakes before approval
💰 Financial analysis section covering NPV, ROI, payback, IRR, sensitivity, and scenario analysis – explained for non-finance professionals
🎯 Three fully worked examples with realistic illustrative figures
🔍 Deep-dive chapters on the most common failure modes (overly optimistic assumptions, hidden costs, weak baselines, double-counted benefits, etc.)
📊 Option-comparison framework and weighted-scoring matrix
⚠️ Risk register template with probability, impact, mitigation, and ownership
🎤 Executive summary structure – how to compress a full business case into two pages
HOW THIS GUIDE IS DIFFERENT
❌ Not a template collection – templates are included, but the real value is understanding *why* each component matters and how they connect
❌ Not theoretical – every framework is grounded in what reviewers actually look for, what kills approval, and what survives scrutiny
❌ Not oversimplified – covers the complexity (sensitivity analysis, scenario planning, residual risk, stakeholder mapping) without being academic
✅ Practical – written for people who understand their business problem but may not have formal training in business-case writing or financial analysis
✅ Honest about uncertainty – teaches how to communicate what you don't know rather than forcing false precision
✅ Evidence-based – every claim about how to structure a case is traced back to what decision-makers actually need
*IMMEDIATE VALUE
• Faster approvals – clear structure, no buried recommendations, reviewers know exactly what you're asking for
• Better financial cases – sensitivity analysis shows you've thought about what could go wrong
• Reduced scope disputes – explicit in-scope/out-of-scope prevents stakeholders from assuming different boundaries
• Accountability for benefits – benefits register with owners and dates means someone is tracking whether you delivered what you promised
• Honest risk communication – stating residual risk after mitigation is more credible than claiming everything is low-risk
THE 40-POINT QUALITY CHECKLIST
Before you submit, you can verify:
• Is the problem evidenced and quantified, not just asserted?
• Are genuine alternatives presented – including do-nothing?
• Are assumptions stated transparently?
• Is the recommendation clearly supported by the analysis?
• Is the decision request specific and actionable?
• Does every benefit have a named owner?
• Does every risk have a mitigation and a residual-risk assessment?
• Separate review checklists for executives, finance, delivery leads, strategy teams, and operations leaders
DOWNLOAD
40+ pages. Complete framework. Ready to use immediately.
How to Write a Solid Business Case – Your Complete Business-Case Reference Guide
Stop losing approval battles because the case wasn't clear, the numbers weren't rigorous, or the recommendation got lost in jargon.
Use this guide to write cases that get read, understood, and approved.
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Source: Best Practices in Business Case Development Word: How to Write a Solid Business Case Word (DOCX) Document, SB Consulting
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