Answer first: the pyramid principle
Academic writing often builds to a conclusion. Consulting writing starts with it. The pyramid principle, associated with Barbara Minto, puts the answer at the top, supports it with three or so key arguments and backs each with evidence. A reader who stops after the first page should still know the recommendation and why.
Pyramid structure (hypothetical)
Answer: Close the Midwest plant by Q4 and move volume to the two lowest-cost plants, saving $3.2 million a year.
Reason 1: The plant runs at 55 percent utilization, and the other plants can absorb its volume. Evidence: capacity analysis.
Reason 2: Unit costs are 18 percent above the network average and cannot be fixed at its scale. Evidence: cost benchmarking.
Reason 3: The one-time cost of $6.5 million pays back in about two years, and service levels can be kept. Evidence: financial model and delivery-time simulation.
Each level answers the question the level above raises: why, and how do you know?
Structure the problem with MECE issue trees
An issue tree breaks a problem into parts that are mutually exclusive (no overlap) and collectively exhaustive (nothing missing), or MECE. It prevents gaps and double counting and shows the reader your logic.
Issue tree for declining profit
| Level 1 | Level 2 | Level 3 |
|---|---|---|
| Revenue | Volume | Market size, market share |
| Price and mix | List price, discounts, product mix | |
| Costs | Variable costs | Materials, direct labor, freight |
| Fixed costs | Overhead, marketing, depreciation |
Profit = revenue minus costs, and revenue = volume x price, so the branches cover all causes without overlap.
Use the tree to decide where to look first. Prioritize branches that are large, uncertain and addressable, and prune the rest with evidence.
Show the numbers with a profit bridge
A bridge (or waterfall) explains how a figure moved from one point to another. It is one of the most common consulting exhibits, and a simple table does the job in a report.
Profit bridge (hypothetical, $ millions)
| Item | Effect on profit | Running total |
|---|---|---|
| Last year's operating profit | 5.0 | |
| Lower volume | -1.0 | 4.0 |
| Higher average price | +0.5 | 4.5 |
| Higher materials cost | -1.5 | 3.0 |
| Higher labor cost | -0.6 | 2.4 |
| Overhead savings | +0.6 | 3.0 |
| This year's operating profit | 3.0 |
The bridge shows that materials cost explains the largest part of the decline, so the report should focus there before discussing price or volume.
Write action titles
Each page or slide should have a title that states the point, not the topic. A reader skimming only titles should follow the entire argument.
| Topic title | Action title |
|---|---|
| Cost benchmarking | The Midwest plant's unit cost is 18 percent above the network average |
| Customer survey results | Two-thirds of customers who left cited late delivery, not price |
| Implementation timeline | The closure can be completed in nine months with no service disruption if volume moves in three waves |
Then make the content below the title prove it: one message per page, labeled charts, sources and a clear takeaway.
Turning interviews into findings
Consulting projects rely on interviews. Summarize them in a way that shows the pattern, not a list of quotes.
| Theme | Interviews mentioning it (of 12) | Representative comment | Implication |
|---|---|---|---|
| Late supplier deliveries | 9 | We reorder blind because lead times keep changing. | Lead-time visibility is a priority |
| Manual reporting | 7 | Monday is spent building the report. | Automation would free time |
| Unclear ownership | 8 | Nobody owns the supplier relationship. | Name an owner |
| Customer complaints | 3 | A few large accounts complain about delays. | Important but not the main driver |
Counts help the reader judge how widespread a view is, but they are not statistics from a random sample, so say so. Use them with documents and numbers to form a hypothesis, then test it with data.
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One-page structure in prose (hypothetical)
Question. Why have on-time deliveries fallen from 94 to 86 percent in 18 months, and what should the company do?
Answer. Most of the decline traces to unreliable supplier lead times and no clear owner of supplier performance. Fixing both could restore on-time delivery to 93 percent within nine months.
Reasons. First, 70 percent of late orders involve three suppliers whose lead times vary by more than a week. Second, no one reviews supplier performance monthly. Third, safety stock is set from outdated lead times.
Recommendation. Appoint a supplier performance owner, reset safety stock using actual lead-time data and renegotiate terms with the three suppliers. Cost: $180,000 in year one. Expected benefit: $520,000 a year in avoided expediting and lost sales.
Next steps. Approve the owner role this month; complete the stock reset in 60 days; report results at day 120.
Every sentence can be traced to a page in the report. If a claim in the summary has no support in the findings, cut it or add the support.
Making exhibits that work
- One message per chart Put the message in the title.
- Right chart for the message Line for trends, bar for comparison, table for exact values, waterfall for bridges.
- Label directly Label bars and lines instead of using a legend where you can.
- Show units and period Dollars, percent, units, and the dates covered.
- State the source and any adjustment Under the exhibit, in small type.
- Remove clutter No 3D, no heavy grids, no decoration.
A four-week workplan
| Week | Goal | Activities | Output |
|---|---|---|---|
| 1 | Define the problem and hypotheses | Kickoff, data request, issue tree, first interviews | Scope statement; hypothesis list |
| 2 | Gather evidence | Interviews, data pulls, benchmarks | Fact base; first charts |
| 3 | Test hypotheses | Analysis, sensitivity, options sketch | Draft findings with action titles |
| 4 | Recommend and communicate | Financial case, implementation plan, review with sponsor | Report and presentation |
Real projects compress or stretch this, but the rhythm is the same: hypotheses early, tested quickly, communicated in plain language. Meet the sponsor weekly so no finding is a surprise.
Sizing the prize
Recommendations carry weight when the benefit is sized with transparent arithmetic.
Benefit of better delivery performance (hypothetical)
The firm ships 20,000 orders a year. Raising on-time delivery from 86 to 93 percent means 7 percent of 20,000 = 1,400 fewer late orders. If each late order costs $120 in expediting and credits, the saving is 1,400 x 120 = $168,000 a year, before counting retained customers.
If the plan costs $180,000 in year one and has $40,000 a year of running cost, year-one net is -$180,000 + 168,000 - 40,000 = -$52,000, and from year two the net is +$128,000 a year. Payback arrives early in year three.
Show the inputs in a small table and say which are measured and which are estimated. Readers forgive uncertainty, not hidden assumptions.
Structure the report
| Section | Length | Contents |
|---|---|---|
| Executive summary | 1 page | Question, answer, reasons, recommendation, next steps |
| Situation and objective | 1 to 2 pages | Context, question and scope |
| Findings | 8 to 15 pages | Analysis organized by argument, each with an action title |
| Recommendation | 2 to 3 pages | Options compared, chosen option and rationale |
| Implementation | 2 to 3 pages | Plan, resources, risks, measures |
| Appendix | As needed | Methods, data, interview list, detailed calculations |
- One message per page Move detail to the appendix.
- Label every exhibit Title, units, period and source.
- Keep language plain Avoid jargon and unexplained acronyms.
- Check consistency Every number in the summary should match the body.
- Say what you do not know And what it would take to find out.
For slide and presentation design, see our presentation guide. For the overall project plan, see the capstone guide. If you want help with a consulting-style report, you can order MBA capstone project help.