The last two minutes of a case decide more than most candidates realise. The interviewer says 'the CEO walks in, what do you tell her', and wants a recommendation, delivered answer-first, with the reasons underneath and the risks named, in under a minute. This deck covers that skill and the thinking behind it: the pyramid principle, top-down communication, the so-what test, how to handle being interrupted, and how to summarise a page of analysis in one sentence. It is the difference between having done the analysis and being able to sell it.
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Card 1 of 15
What does 'answer first' mean, and why do consulting firms insist on it?
State the conclusion before the reasoning, because senior people decide in the first sentence whether to keep listening.
Answer first means the recommendation comes before the analysis: 'Ferrow should close its twelve weakest stores', followed by why. Most people were taught the opposite at school, building up to a conclusion, which is fine for an essay and disastrous in a boardroom, where the chief executive may leave after two minutes. Leading with the answer lets the listener decide how much of the reasoning they need, and it signals confidence. It is also harder, because you have to know what you think before you open your mouth. Firms test it in the final synthesis of every case and in every conversation afterwards.
Card 2 of 15
What is the pyramid principle?
One main point at the top, supported by a few grouped arguments, each supported by evidence; every level answers 'why' for the one above.
The pyramid principle, from Barbara Minto at McKinsey, is a way of organising anything you say or write. At the top is the single message. Beneath it are the two to four arguments that support it, grouped so they do not overlap. Beneath each argument is the evidence. Reading down, each layer answers 'why do you say that'; reading up, each layer answers 'so what'. A recommendation built this way can be delivered in one sentence, one minute or one hour depending on the audience, because you just stop at a different level. It is the structure behind every consulting slide and every case synthesis.
Card 3 of 15
How do you deliver the final recommendation in a case, in order?
Recommendation, two or three reasons with numbers, the main risk, and the next step, all in under a minute.
Use one fixed shape. Recommendation: 'I recommend Calder Foods enters the frozen category.' Reasons, each with a number: 'The market is £2bn and growing 6%; Calder's brand already tests well in the segment; and the existing plant can produce at a 35% margin.' Risk: 'The main risk is the two incumbents responding on price, which could cut margin to 25%.' Next step: 'I would pilot in one region before a national launch.' That is forty seconds. The interviewer hears a decision, the support, honesty about what could go wrong, and a practical move. Nothing else is needed.
Card 4 of 15
The interviewer interrupts your synthesis after the first sentence. What do you do?
Answer their question directly, then return to your structure; being interrupted is a test of whether the structure was real.
Interruptions are deliberate. If you have led with the answer, the interviewer already has the recommendation and is probing a reason or a risk. Answer what was asked, briefly and directly, then say 'coming back to the reasons, the second was' and continue. Do not restart from the top, and do not abandon the structure and ramble. A candidate who can be knocked off course and come back to the same place shows that the pyramid was in their head, not on a script. A candidate who has to start again shows it was memorised.
Card 5 of 15
How do you summarise a page of analysis in one sentence?
Find the single number that changes the decision and say what it means; everything else is supporting detail.
Look at the page and ask which one figure the decision turns on. If the analysis shows twelve stores each losing money, the sentence is 'Twelve stores lose £15m a year between them, and closing them would raise group profit by a third.' Not 'we looked at store profitability across the estate and found a range of outcomes'. The discipline is choosing: one number, one implication. If you cannot find it, the analysis is not finished. Practise on articles and reports: read one, close it, and say what it showed in a sentence with a number in it.
Card 6 of 15
What is MECE, and how does it apply to how you speak, not just how you structure a case?
Points that do not overlap and together cover the question; it makes an argument feel complete and easy to follow.
Mutually exclusive, collectively exhaustive: a set of categories with no overlaps and no gaps. Applied to speaking, it means the two or three reasons you give for a recommendation should each be a different kind of reason, market, capability, financials, rather than three versions of the same one, and together they should cover the question. The listener can then tell where you are in the argument and when it is complete. 'There are three reasons: the market, our ability to serve it, and the economics' is MECE and lands. 'There are lots of reasons, for example' is not, and drifts.
Card 7 of 15
How do you handle a case where your analysis does not support a clear recommendation?
Say which way it leans, name what would decide it, and recommend the step that resolves the uncertainty.
Sometimes the numbers are close: the new market looks marginally profitable, the risks are real, the data is thin. Do not pretend to certainty and do not refuse to answer. Say 'On the evidence, I lean toward entering, but it is close: the case rests on whether we can hold a 30% margin against the incumbents' response. I would recommend a six-month pilot in one region to test that before committing.' That is a recommendation. It is honest about uncertainty, specific about what would resolve it, and still gives the client something to do on Monday. Interviewers rate that far above false confidence.
Card 8 of 15
What is the difference between being concise and being brief?
Concise is saying everything that matters in the fewest words; brief is just stopping early.
A brief answer to 'should we enter the market' is 'yes'. A concise one is 'Yes, because the market is large and growing, we can serve it at margin, and the main risk is manageable with a pilot.' Both are short, only one is complete. Consultants aim for concise: every necessary point, no unnecessary word, no repetition, no preamble like 'that's a great question'. In a synthesis, cut the recap of what you did, cut hedging phrases, cut anything the listener already knows. Then check that the recommendation, reasons, risk and next step are all still there.
Card 9 of 15
How should you structure a verbal answer to a question you did not expect?
Buy five seconds, give a headline, then two or three points, then stop.
Say 'let me think about that for a moment', which is acceptable, and use the pause to find a headline and a structure, not to find the perfect answer. Then: headline, 'I think the biggest issue is X', followed by 'for two reasons', each in one sentence, then stop. Stopping is the hard part; nervous candidates keep adding points until one is weak. If you genuinely cannot find a structure, name the dimensions you would think along: 'I would look at this from the customer's side and the cost side.' That shows method even without an answer.
Card 10 of 15
What does a good consulting slide title look like, and why does it matter for how you talk?
The title is the conclusion in a full sentence; if you can write the title, you can say the point.
A consulting slide title is not 'Revenue by channel, 2021 to 2024'. It is 'Online growth has not offset store decline, leaving profit down £50m'. The title states the so-what, and the chart beneath is the evidence. This is the pyramid on one page. The habit transfers directly to speaking: before you describe anything, ask what the title would be, and say that. Interviewers sometimes ask you to sketch a slide or to say what its headline would be, and the answer is always a full sentence with a verb and, ideally, a number.
Card 11 of 15
How do you present a number so it lands with a client?
Round it, compare it to something they know, and say what it is worth to them.
Numbers land when they are round, relative and relevant. Not '£14.7 million' but 'about £15 million, roughly a third of last year's profit, which is what closing the twelve stores would add back'. Rounding makes it memorable, comparison makes it big or small, and relevance makes it theirs. In a case synthesis, every number you cite should pass that test. A string of precise figures with no comparison sounds like a spreadsheet; one rounded figure with a comparison sounds like advice. Senior consultants do this instinctively, and it is learnable in a week.
Card 12 of 15
The CEO asks 'what would you do if you were me'. How is that different from a recommendation, and how do you answer?
It asks for a decision with a personal stake, so give a choice, not a menu, and own it.
A recommendation can be delivered from a distance: the analysis suggests. 'What would you do' asks you to take the chair. Answer as a decision: 'I would close the stores, this quarter, starting with the four in the north.' Then the reasons, briefly, and one honest acknowledgement of what makes it hard: 'It means about four hundred redundancies, which is why I would pair it with redeployment to the fulfilment centres.' Do not offer three options and let them choose; that is what they were doing before they hired you. Interviewers ask it to see whether you will commit.
Card 13 of 15
How do you close a case when you have run out of time before finishing the analysis?
Give the recommendation the evidence so far supports, say what you did not get to, and what it would change.
Time pressure is part of the test. Do not say you have not finished. Say: 'Based on what we have covered, I would recommend entering, driven by the market size and the margin we found. I have not yet looked at the competitive response, which is the one thing that could change the answer, so my next step would be to model the incumbents' likely pricing.' That is a complete synthesis that is honest about its limits. The interviewer knows exactly what was and was not covered; pretending otherwise costs credibility, while framing the gap as a next step earns it.
Card 14 of 15
Why do consultants speak in threes?
Three points is the most a listener holds in their head, and it feels complete; two feels thin and four feels like a list.
Three is a convention with a reason. One reason sounds like an opinion, two sounds like you stopped early, four or more becomes a list the listener cannot retain. Three points feel considered and complete and can be signposted: 'for three reasons'. It also forces prioritisation, since you have to choose the best three, which is itself the skill. If you genuinely have only two strong reasons, say two; padding with a weak third is worse than stopping. But when preparing any synthesis, aim for three and you will usually find the structure falls into place.
Card 15 of 15
Give a complete, timed case synthesis for a client deciding whether to acquire a smaller rival.
Recommendation, three reasons with numbers, the risk, the next step, in about forty-five seconds.
'I recommend Bramwell & Co. proceeds with the acquisition at up to £400m. Three reasons. First, the target adds £60m of EBITDA, so at £400m we are paying under seven times, below the sector's nine. Second, we identified £15m of cost synergies in overlapping distribution, which would take the effective multiple to about five. Third, it takes Bramwell to number two in the market, which improves pricing power. The main risk is integration: the two firms have different systems, and delays could push the synergies out by a year. My next step would be a detailed integration plan before signing, and a price walk-away at £420m.' That is the whole answer. Practise it out loud, timed, until it is under a minute.
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