Leverage

In plain terms

Leverage means using debt to do more than your own capital alone would allow. Just as a physical lever lets a small force move a large weight, financial leverage lets a modest slice of owner's equity control a much larger pool of assets by adding borrowed money on top.

It is most often measured as the ratio of debt to equity, or debt to total assets. A business funded entirely by its owners is unleveraged; one funded heavily by loans is highly leveraged. In the UK the term overlaps closely with gearing — gearing is simply the more traditional British word for the same idea. Leverage is neither good nor bad in itself; it is a tool whose risk depends entirely on how much you use and how reliable your cash flows are.

Why it matters to your business

Sensible leverage is how most growing companies expand faster than retained profits alone would permit. Borrow £50,000, earn a return on it above the cost of the interest, and the surplus accrues to you — your return on equity rises. That is the upside, and it is the reason debt finance exists.

The catch is that leverage is symmetrical. The same debt that boosts returns in a good year magnifies losses in a bad one, because interest is due whether or not you make a profit. Over-leveraged businesses have little room for shocks — a downturn, a lost customer or a rate rise can quickly become an existential threat. The art is matching the amount and type of debt to the predictability of your cash flow. Short-term, flexible facilities for short-term needs; longer commitments only where income is stable enough to support them. See short vs long-term finance.

An example

A founder has £100,000 of equity and earns a 20% return — £20,000. Now she borrows another £100,000 at 8% interest and deploys £200,000 at the same 20%. Gross return is £40,000; she pays £8,000 interest, keeping £32,000 on her original £100,000 — a 32% return on equity. Leverage worked.

But suppose the return is only 5%. On £200,000 that is £10,000, against £8,000 interest — just £2,000 left, a 2% return on her equity, far worse than the unleveraged case. Same strategy, opposite result. The debt amplified both outcomes.