Prepare for Strategy& by practising both how you develop an answer in conversation and how you extract one from a pack of information. Those tasks share the same reasoning, but they place different demands on your attention.
In a live case, you choose questions and work with the answers. With a pack, much of the evidence is already present; the challenge is deciding what deserves your time.
I would rehearse each format explicitly if it appears in your process. Being comfortable with one does not automatically make you fluent in the other.
Understand the format you have been given
Strategy&'s UK first round includes a live case conversation and a structured case with a slide pack, with approximately ten minutes to review the pack before discussing recommendations. Confirm the process for your territory.
The word “unstructured” in the UK description does not mean your answer should lack structure. It distinguishes the format of the exercise. You still need a clear approach to the client’s decision.
Write down the expected output, reading time and discussion time from your invitation. If a detail is missing, ask a focused question before building your rehearsal around an assumption.
Give the live case a direction
Explain the question you want to resolve first. Use a hypothesis to choose the analysis, state the assumptions and connect the result to a conclusion.
For example, a retailer says warehouse delays are hurting customer service. “I will examine people, processes and technology” names categories but does not yet identify a useful test.
A stronger starting point is: “I would locate where orders spend time between purchase and dispatch, then distinguish a capacity shortage from avoidable rework. That will tell us whether the priority is adding capacity or fixing the process.”
A hypothesis earns its place by changing the next question. Revise it when the evidence points elsewhere.
Read a pack with the decision in view
Here is an original miniature evidence pack. A warehouse is choosing one improvement project. It has a £250,000 investment budget and requires simple payback within three years. Service quality must not deteriorate.
Exhibit 1: project economics. Annual savings below are before each project’s new recurring costs. Assume savings and recurring costs begin immediately and remain constant.
| Project | Upfront spending | Annual gross cash savings | New annual recurring cost |
|---|---|---|---|
| A: retrain teams and standardise picking | £80,000 | £50,000 | £10,000 |
| B: install automated picking equipment | £240,000 | £100,000 | £40,000 |
Exhibit 2: operational observation. A small trial of A reduced rework. The trial covered normal demand but not the seasonal peak. B’s vendor forecast assumes the equipment can handle the warehouse’s full product range; compatibility has not been tested.
Exhibit 3: context. Management expects order volume to grow next year but has not supplied a committed forecast. The warehouse’s highest-value customers require reliable delivery during the peak season.
Before reading on, decide what you would recommend and identify the evidence you would cite.
Find the deciding calculation
Project A produces £40,000 of net annual savings, giving two-year payback. Project B produces £60,000, giving four-year payback.
Both fit the capital budget. Only A meets the three-year payback rule on the supplied figures. B’s larger gross savings do not make it the better option under the client’s objective.
A useful first conclusion is: “A meets the financial requirement; B does not. I would take A forward for peak-demand testing before committing, because the existing trial does not establish service performance during the period customers care about most.”
That answer uses all three exhibits without giving them equal airtime. Exhibit 1 decides the financial comparison. Exhibits 2 and 3 identify the remaining operational test.
Quick Case Math Drill
A regional water utility is considering smart meters to replace manual meter reading. Its board approves projects only if they repay their upfront cost within three years.
- Supplier quote
- £320,000
- Annual meter-reading saving
- £150,000
- Extra annual data fees
- £60,000
By how much must the supplier cut its quote to meet the three-year rule?
Keep claims attached to evidence
Do not turn expected growth into guaranteed volume. Do not turn a normal-demand trial into proof of peak performance. Mark the boundary in the recommendation through a concrete condition, rather than a long disclaimer.
Your notes might contain just four lines:
- A: £40k net annual benefit; two-year payback.
- B: £60k net annual benefit; four-year payback, above hurdle.
- A’s peak performance remains untested.
- Next action: test service quality at peak workload before rollout.
Those lines are enough to support a discussion. Copying every sentence from the pack would leave less time to think.
Be ready when the interviewer changes the rule
Suppose the client relaxes the payback limit to five years. B becomes financially eligible, but that does not automatically make it preferable.
Compared with A, B requires another £160,000 upfront for another £20,000 of annual net savings. The incremental simple payback is eight years. You would need the project life, timing and other benefits to judge whether that extra commitment is worthwhile.
Now the discussion has moved beyond passing a minimum rule. You are comparing alternatives. If B also delivers a service improvement, quantify it where possible and test its compatibility assumption before including the benefit.
This is a useful follow-up exercise because it reveals whether you understood the comparison or merely selected the first option that passed a threshold.
Quick Recommendation Drill
A parcel company will fund one sorting upgrade at a busy depot, and its board has just relaxed the payback limit.
- New payback limit
- Six years
- Equipment life
- Eight years for both
| Option | Upfront cost | Annual net saving |
|---|---|---|
| Conveyor upgrade | £300,000 | £100,000 |
| Automated sorter | £900,000 | £160,000 |
Which recommendation should you now give the board?
Prepare the personal part of the conversation
The UK process description includes discussion of your background and motivation. Prepare a clear account of why strategy work interests you and what you have learned about Strategy&’s work in the relevant territory.
Use specifics from your research and experience. A project that required you to choose between competing investments can explain your interest more convincingly than a list of the firm’s credentials.
Ask questions that help you understand the work: how junior team members develop a point of view, how teams test a strategic recommendation or how a particular practice works with colleagues across PwC.
Rehearse the transition from reading to defending
Give yourself a short reading period for the miniature pack, close the explanation and present your answer. Ask a partner to change the payback rule or challenge the service assumption. Keep the calculation available so you can explain it without rereading the entire pack.
Then choose a retail-expansion case from the case library and practise selecting evidence from its exhibits. The aim is to arrive at a supported view quickly enough to spend the conversation examining it.
Full case practice
Carry it into a fresh case.
Choose a case, work through the decisions with Casey, and review where your reasoning can improve.
Choose a caseFrequently asked questions
What the Strategy& first round involves
What does the Strategy& first-round case interview involve?
In the UK, the first round includes a live case conversation and a structured case built around a slide pack. You have approximately ten minutes to review the pack before discussing recommendations. Processes can differ between territories, so confirm the format for the office you are applying to. Do not assume the UK description applies everywhere.
If the UK case is described as unstructured, do I still need a structure?
Yes. The word 'unstructured' describes the format of the exercise, not the standard expected of your thinking. You still need a clear approach to the client's question. Say what you want to resolve, how you will test it and how the result connects to a recommendation.
Is preparing for the live case enough to handle the slide pack?
Not on its own. Both formats use the same reasoning, but they need different kinds of attention. In a live case, you choose questions and work with the answers you receive. With a pack, most of the evidence is already in front of you, so the skill is deciding what deserves your limited time. Rehearse each format explicitly.
How should I open the live case conversation?
Name the question you want to resolve first and use a hypothesis to choose the analysis. Suppose a retailer says warehouse delays are hurting service. Listing people, processes and technology gives you categories but no test. Saying you would locate where orders spend time points to a specific investigation. You can then state assumptions and connect the results to a conclusion.
Working through the evidence pack
What should I look for first when I open the slide pack?
Look for the decision and the rules that govern it. In the miniature warehouse pack, the client must choose one project within a £250,000 budget. It needs simple payback inside three years and no deterioration in service quality. Reading with those tests in mind tells you which exhibits matter and which can wait.
Should I calculate payback using gross or net savings?
Use net savings. The project exhibit shows annual savings before each project's new recurring costs, so deduct those costs first. Then divide the upfront spending by the net figure. The example assumes savings and recurring costs start immediately and stay constant. If a real pack does not say, state your assumption or ask, because timing changes payback.
Why isn't the project with the larger savings the right recommendation?
The client's objective sets the test, not the size of the benefit. Project B earns £60,000 of net annual savings against £40,000 for A. However, B pays back in four years and A in two. Both fit the budget, but only A meets the three-year payback rule on the supplied figures.
How do I flag uncertainty without weakening my recommendation?
Attach the uncertainty to a specific condition instead of adding a long disclaimer. Do not treat expected growth as guaranteed volume, or a normal-demand trial as proof of peak performance. If Project A's peak performance is untested, recommend A and make that test a clear condition. The interviewer then sees both your answer and its limits.
Defending the recommendation under challenge
What should I do if the interviewer relaxes the payback rule?
Recheck which options qualify, then compare them incrementally. With a five-year limit, Project B becomes eligible. Compared with A, however, it needs another £160,000 upfront for another £20,000 of annual net savings. That extra investment has an incremental simple payback of eight years, so eligibility alone does not make B the better choice.
What information would help decide whether the bigger project is worth it?
Ask about the project life, the timing of costs and savings, and any benefits the payback figures leave out. An eight-year incremental payback could still be acceptable if the investment lasts long enough or brings advantages beyond cost savings. You cannot judge that from the miniature pack alone.
Do I need to reread the pack when my answer is challenged?
You should not need to. Keep the deciding calculation in your notes, including each project's net annual benefit and payback, so you can explain it immediately. To practise, give yourself a short reading period and then close the pack. Ask a partner to change the payback rule or challenge the service assumption.
Preparing yourself beyond the case
How should I answer questions about why I want Strategy&?
Give a specific account of why strategy work interests you. Explain what you have learned about Strategy&'s work in the territory you are applying to, drawing on your own research and experience. A project where you had to choose between competing investments is more convincing than repeating the firm's credentials back to the interviewer.
How can I keep practising once I have mastered the miniature pack?
Move to a case with unfamiliar exhibits, such as a retail-expansion case from the case library. Practise selecting the relevant evidence from its exhibits. A fresh pack tests whether you can find the deciding information yourself. A familiar pack only tests whether you remember a worked answer you have already seen.