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London Investment Banking Interview Questions

Free sample from the Deskcraft question bank

London IB interviews test the same fundamentals as New York, with a sharper focus on fit and why-this-firm. This guide samples the technicals and fit questions from the Deskcraft bank, with model answers.

1. Walk me through the three financial statements and how they connect.

Model answer

The income statement shows profitability over a period, ending in net income. The cash flow statement starts from net income, adds back non-cash items (D&A, SBC), adjusts for changes in working capital, then shows investing and financing flows to reach the change in cash. The balance sheet is a point-in-time snapshot: net income flows into retained earnings, the ending cash from the CFS becomes cash on the BS, and PP&E links via capex and depreciation. Assets = liabilities + equity must always hold.

2. What are the three financial statements and what does each show?

Model answer

The income statement shows profitability over a period (revenue down to net income). The balance sheet shows financial position at a point in time (assets = liabilities + equity). The cash flow statement shows actual cash movement over a period across operating, investing and financing, reconciling net income to the change in cash. They link: net income flows to the CFS and to retained earnings, and ending cash on the CFS is the cash line on the BS.

3. What makes an acquisition accretive or dilutive to EPS?

Model answer

Compare the cost of the acquisition financing to the earnings you buy. An all-stock deal is generally accretive when the acquirer's P/E is higher than the target's (paying with expensive stock for cheaper earnings). A cash or debt deal is accretive when the after-tax cost of cash or debt is below the target's earnings yield. Synergies and financing effects then adjust the result.

4. Why investment banking, and why our firm specifically?

Model answer

Banking: transactions as the fastest way to learn how companies are valued, financed and sold; intensity and ownership early; evidence from things already done (internships, clubs, courses). Firm: concrete hooks — deals the firm did, group strengths, people spoken to (names if true), culture/platform fit. The firm part must be impossible to copy-paste to a competitor.

5. Why investment banking?

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6. A company with a P/E of 20 acquires one with a P/E of 15 in an all-stock deal. Accretive or dilutive?

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7. How are the three statements connected at a high level?

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8. How do you get from enterprise value to equity value per share in a DCF?

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9. How does depreciation appear on each of the three statements?

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10. If you could only have two of the three statements to assess a company, which would you pick and why?

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11. Paper LBO: buy at 10x EBITDA of 100, funded 60% debt, exit in 5 years at 10x with EBITDA at 150 and half the debt repaid. Rough IRR?

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12. Walk me through a DCF.

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