Stop 06 · Business Modeling & StrategyTopics · 5/9

Business Case Development

Part of the Business Analyst Roadmap

In short

Good ideas die in meetings all the time, usually because nobody wrote down why they're worth the money. A business case is the document that gets a project a yes, or a sensible no.

A structured argument for why a project is worth investing in — problem, proposed solution, cost, expected benefit, risks, and alternatives considered — the document that gets a project greenlit or killed.

The purple blob proudly holds out a neat folder at a dining table with a new laptop and a piggy bank on it.

Think of it like this

Asking your parents for a laptop

'I need a laptop' rarely works. 'My old one takes ten minutes to open code, here are three options, this one costs ₹55,000, it'll last four years and I'll do freelance work on it' usually does. That's a business case.

Watch it happen

What a business case contains

Business case

1/5One document, usually a few pages, that lets a decision maker say yes or no with confidence.

The big ideas

What you need to know

Problem first

Decision makers fund solutions to problems they believe in. Prove the problem is real and costly before pitching anything.

Show alternatives

One option looks like a sales pitch. Two or three, with honest trade-offs, looks like analysis.

Summary on page one

Busy leaders may read only the first half page. Put the ask, cost and benefit right there.

Be honest about risk

Naming risks and how you'll handle them builds more trust than pretending there are none.

Save yourself the pain

Common mistakes

Oops

Writing 20 pages of background before the recommendation.

Do this instead

Lead with a one-paragraph summary: problem, recommended option, cost, benefit, ask.

Oops

Presenting only the option you already like.

Do this instead

Include do-nothing and at least one real alternative, with the reasons you didn't pick them.

Your mission

One-page business case

~40 min

Quick check

Why should a business case include a 'do nothing' option?

Go deeper

  1. 1Write a one-page business case for a hypothetical project idea.
  2. 2Learn to state your assumptions explicitly so reviewers can challenge the right things.
  3. 3Practice defending the case against the question 'what would have to be true for this to fail?'

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