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Debt or equity?
Choosing how to fund growth.
Every growing company reaches the point where it needs more money than it is generating. Broadly, there are two ways to get it: borrow it, or sell a share of the company. Here is a clear way to decide — and why the answer is often a bit of both.
At the highest level, external funding comes in only two forms: money you owe, and money you sell a share of the company for. Everything else is a variation on those two.
- Debt. You borrow a sum and agree to repay it, usually with interest, on a schedule. The lender owns none of your company and does not direct it — but ranks ahead of you for repayment and expects to be paid whether or not the business is having a good year.
- Equity. An investor buys newly issued shares, putting cash in for a slice of ownership. Nothing is repaid; instead the investor shares in the profits and the eventual value of the company — and usually gains some influence over how it is run.
The trade-offs, side by side
Four dimensions decide most of it.
- Cost. Debt has a visible price — the interest rate. Equity has an invisible one — the share of all future value you give away, which is usually larger. Cheap-looking equity sold early can be the most expensive money a founder ever takes.
- Control. A lender has no vote and no board seat. An equity investor typically gains both, plus rights over big decisions. If keeping control matters to you, that weighs towards debt.
- Risk to the company. Debt must be serviced in good months and bad; a run of poor trading turns fixed repayments into a threat. Equity carries no repayment, so it absorbs risk — the investor loses if the company does, which is precisely why it suits uncertain plans.
- Speed and simplicity. Debt is generally faster and less intrusive to arrange. An equity round means valuation, due diligence, legals and negotiation — weeks or months, and a permanent new stakeholder.
Matching the money to the need
The clearest test is: can you see how this funding pays for itself, and when?
- Self-liquidating, short-term needs → debt. Funding stock for a confirmed order, bridging the gap between a cost and a known receipt, smoothing a seasonal dip. You can see the cash that repays it, so a repayment schedule is manageable.
- Long-term, uncertain investment → equity. Building a product, entering a new market, hiring ahead of revenue. There is no near-term cash to service debt and a real chance it does not work — the risk belongs with an investor who is paid for taking it.
- A profitable core plus a speculative bet → a blend. Debt for the working capital the steady business needs; equity for the bet. This keeps scarce, expensive equity out of routine cash-flow smoothing.
Five questions before you decide
- How will this money pay for itself, and by when? A clear, near-term answer points to debt; a distant, uncertain one points to equity.
- Can the company service repayments even in a bad quarter? Test it against your 13-week forecast before taking on debt.
- How much control am I willing to give up? Equity almost always means sharing decisions; debt does not.
- What is the real cost? Compare the interest on debt against the likely future value of the equity you would sell.
- Does any of this put my home or personal finances at risk? Check for personal guarantees and charges before signing.
Debt and equity: common questions
What is the core difference between debt and equity finance?
Debt is money you borrow and must repay, usually with interest, on a set schedule — the lender does not own any of the company and has no say in how you run it, but has the first claim on being repaid. Equity is money an investor puts in to buy a share of the company — there is nothing to repay, but you give up a slice of ownership, future profits and, often, some control. Put simply: debt costs you interest but keeps your company yours; equity costs you ownership but carries no repayment obligation.
When does debt make more sense than equity?
Debt tends to fit when the need is specific and self-liquidating — you can see how the borrowing will generate the cash to repay it — and when the business has predictable enough cash flow to service repayments. Bridging a working-capital gap, funding stock for a confirmed order, or covering a timing mismatch are classic debt cases. Debt is usually faster to arrange, does not dilute the owners, and is often cheaper than equity once you account for the ownership you keep. The trade-off is the fixed repayment obligation, which bites hardest when trading is volatile.
When is equity the better route?
Equity fits when the funding is for something long-term and uncertain — building a product, entering a new market, scaling ahead of revenue — where there is no near-term cash flow to service debt and the risk of failure is real. Because an equity investor shares that risk (they only make a return if the company succeeds) they are the right kind of capital for genuinely speculative growth. The cost is dilution and, frequently, a new voice at the board table. Many high-growth companies raise equity precisely because their plans are too risky to load with debt repayments.
Is equity really "free" because there is nothing to repay?
No — equity is usually the most expensive form of capital, not the cheapest. There is no repayment, but the investor expects a return that compensates them for taking the most risk (they rank last if the company fails), and that return comes out of the value of the company you keep. A stake sold cheaply in the early days can be worth many times the amount raised a few years later. Debt has a visible price (the interest rate); equity has an invisible one (the share of all future value you gave away), which is often larger.
Can a company use both at once?
Yes, and most growing companies do. A common pattern is to raise equity for the long-term, higher-risk investment (product, hiring, market entry) and use debt for the short-term, self-liquidating needs (working capital, stock, bridging timing gaps) so that scarce equity is not burned on routine cash-flow smoothing. Getting the mix right — enough debt to be efficient, not so much that repayments threaten the company — is the essence of managing a capital structure.
Related reading
Test any debt against your 13-week cash-flow forecast, and remember that funding choices are a director's-duty decision. On the product side, the Learn hub covers short-term vs long-term finance and what "no charge over your home" means. All the briefings are on the Insights hub.
The right money for the right need.
For short-term, self-liquidating needs, company debt with no personal guarantee lives on the lender.