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27 consulting case interview examples

Every case has a real answer: a specific diagnosis, numbers that tie out, and a recommendation you could defend. The interviewer reads from a private brief, so it can tell you when you are wrong.
Cases
27
Firms
10
Guided
27

27 of 27 cases

McKinseyMedium
Nordwind Airlines: the vanishing margin
A European short-haul carrier is flying more passengers than ever and making less money than ever. Find out why.

Profitability · Aviation · 30 min · Interviewer-led

BainMedium
Meridian Coffee enters India
A mid-size US coffee chain is considering its first Asian market. Size the opportunity and decide the entry mode.

Market Entry · Food & Beverage · 35 min · Candidate-led

BCGHard
Helix Diagnostics prices a new test
A diagnostics firm has a genuinely better test and no idea what to charge. Find the value-based price.

Pricing · Healthcare · 35 min · Candidate-led

McKinseyHard
Atlas Logistics eyes a last-mile acquisition
A freight operator wants to buy its way into last-mile delivery. The multiple looks rich. Does the deal clear?

M&A · Transport & Logistics · 40 min · Interviewer-led

BainMedium
BrightPath Tutoring has stalled
An online tutoring platform grew fast for three years and then flatlined. Find the growth that is already in the building.

Growth Strategy · Education · 30 min · Candidate-led

GeneralistEasy
Sizing the UK ready-meal market
A clean estimation drill with a built-in sanity check. Good first case if you have never done one.

Market Sizing · Retail · 20 min · Candidate-led

DeloitteMedium
Vantage Retail's warehouse bottleneck
An operations case with a genuine capacity calculation. Find the constraint before you spend capital.

Operations · Retail · 30 min · Interviewer-led

BCGHard
Northstar Bank loses its deposits
A digital challenger is taking deposits at pace. Decide whether to match, differentiate, or let them go.

Competitive Response · Financial Services · 35 min · Candidate-led

BainMedium
Wrenfield Capital eyes a budget gym chain
A private equity fund likes the budget gym model but not the asking price. Work out what the chain is really worth and what to bid.

M&A · Fitness · 35 min · Candidate-led

BainMedium
Copperleaf Snacks faces a cost squeeze
Oil and potato costs have jumped and a crisp brand's operating profit is set to fall by more than half. Raise the price, shrink the bag or change the mix?

Pricing · Consumer Goods · 30 min · Candidate-led

DeloitteEasy
Calder Benefits Agency clears its backlog
A state agency takes six weeks to decide housing benefit claims and the queue keeps growing. Find out why before anyone hires more caseworkers.

Operations · Public Sector · 25 min · Interviewer-led

AccentureMedium
Fenmore Bank weighs a small-business app
A regional bank is losing small-business customers to slicker digital rivals. Is a mobile app worth the money, and should the bank build it at all?

New Product · Banking · 35 min · Interviewer-led

KearneyMedium
Brennick Automotive cuts its supplier bill
A braking and chassis supplier must take 8% out of $1bn of procurement spend. Read the spend cube, match a lever to each category and build the number.

Operations · Automotive · 30 min · Interviewer-led

KearneyHard
Hartwell Grocers redraws its distribution network
A supermarket chain wants to close two of its four distribution centres. The headline saving is real; the question is what it leaves out.

Operations · Retail · 40 min · Interviewer-led

Oliver WymanMedium
Ashcombe Insurance's motor book slips into loss
A motor insurer's combined ratio has gone from 96% to above 100%. Split frequency from severity and find out who it is really insuring.

Profitability · Insurance · 30 min · Candidate-led

Oliver WymanMedium
Fernpay weighs a credit card
A payments app with 8m users wants to lend to them. Size the book, run the card economics and decide who should hold the risk.

Market Entry · Financial Services · 35 min · Candidate-led

McKinseyMedium
Kingsmere Hospitals cuts its surgery waiting list
A hospital trust's surgical waiting list has grown 43% in three years and the board wants two new theatres. Find what is really holding back operations, and size the fix.

Operations · Healthcare · 30 min · Interviewer-led

McKinseyHard
Northvale Energy weighs a motorway charging network
A utility wants to spend $240m on 150 ultra-rapid charging hubs along the motorways. Size the market, build the hub economics and decide where, if anywhere, it should play.

Market Entry · Energy · 40 min · Interviewer-led

BCGMedium
Larkfield sets out to double online sales
A mid-market fashion retailer's stores are flat and its new CEO has promised to double online revenue in three years. Find where the growth is hiding.

Growth Strategy · Retail · 30 min · Candidate-led

BCGMedium
Halcyon Mobile grows its way to lower profit
A mobile operator added a million subscribers in two years and lost a third of its EBITDA. Work out why growth is costing money, and what to stop doing.

Profitability · Telecom · 30 min · Candidate-led

EY-ParthenonHard
Ridgeline Capital bids for a vet clinic roll-up
A PE fund is bidding 16 times EBITDA for a fast-growing vet clinic roll-up. Separate the market from the M&A machine and decide what the asset is really worth.

M&A · Healthcare Services · 40 min · Candidate-led

EY-ParthenonMedium
Ashgrove Growth sizes small-business HR software
An investor wants to know how big European HR and payroll software for small businesses is and how fast it grows. Size it two ways and make them agree.

Market Sizing · Software · 30 min · Candidate-led

L.E.K.Hard
Halden Pharma launches a weekly diabetes injectable
A mid-size pharma company is launching a once-weekly diabetes injectable against much larger rivals. Build the patient funnel, find the price that wins access and forecast peak sales.

New Product · Life Sciences · 40 min · Candidate-led

L.E.K.Medium
Silverpine Resorts' profit slides
A ski operator's profit has nearly halved in three seasons and the CEO blames the snow. Build the bridge and find out how much of the decline was self-inflicted.

Profitability · Leisure · 30 min · Candidate-led

Roland BergerHard
Arvena Rail faces a low-cost rival
A national rail operator's most profitable route is about to get a low-cost competitor. Size the revenue at risk and choose between price, frequency and a new product tier.

Competitive Response · Transport · 40 min · Interviewer-led

Roland BergerMedium
Falkenrath Maschinenbau builds a service business
A family-owned German machinery maker has flat equipment sales and wants services to drive growth. Size the installed base and work out what the service business is really worth.

Growth Strategy · Industrials · 30 min · Candidate-led

AccentureMedium
Brookmere Water's smart meter rollout stalls
A water utility's smart meter programme is a third of the way through its time and a fifth of the way through its meters. Find the productivity gap, size the overrun and rescue the business case.

Operations · Utilities · 30 min · Interviewer-led

27 consulting case interview examples · PartnerRound