Business credit cards: when they are the right tool

For most new businesses a card is the first credit they can actually get, because it is underwritten on the owner personally rather than on a company with no history. That accessibility is genuinely useful and it is also why cards do so much damage.

What they are good for

• Small recurring spend — software, fuel, supplies, advertising. Predictable, modest, cleared monthly.
• Float. Buying something now and paying at the end of the statement cycle is free credit if you clear it.
• Separation. Running business spend through a business card keeps your bookkeeping clean, which matters enormously later when a lender asks for financials.
• Building a record. Some business cards report to business credit bureaus, which is how a company starts having a credit identity of its own.
• Rewards, genuinely. On spend you would incur anyway and clear monthly, cashback or points are real money.

What they are not for

Anything you cannot clear within a cycle or two. Card pricing is among the most expensive borrowing a small business can take on, and a balance that revolves month after month quietly becomes the most costly debt on the books.

Specifically: payroll, inventory at any scale, equipment, and bridging a slow-paying customer. Each of those has a cheaper instrument built for it, and using a card instead is paying a large premium for the convenience of not filling in a form.

The utilisation trap

This is the part founders miss, and it is the most consequential.

Many small business cards report to your personal credit as well as, or instead of, business bureaus. So a card carrying a high balance can drag down the personal score that every future business loan will be assessed against.

It happens in a specific and painful order: you fund the early months on cards, utilisation climbs, your score falls, and then you go to arrange the line of credit or equipment loan that would have been cheaper — and find you no longer qualify for good terms. The short-term fix closed the door on the long-term solution.

Check whether your card reports personally. If it does, treat utilisation as something to actively manage rather than a number you look at once a year.

Zero percent introductory offers

These are real and they are genuinely useful for a defined, short need with a plan to clear before the promotional period ends. They are dangerous for anything else, because the rate afterwards is steep and the balance is rarely smaller than expected when the period closes.

If you use one, put the end date in your calendar with a reminder two months before it. That single act is the difference between a clever piece of financing and an expensive mistake.

The sensible setup

1. One business card, used for business spend only, cleared monthly.
2. Never carry a balance on it if there is any alternative.
3. Keep utilisation low, particularly if it reports personally.
4. Arrange a line of credit as soon as you qualify — it exists for exactly the needs people put on cards.
5. Do not open several cards chasing limits. Multiple applications in a short window damage the score you are trying to build.

A card is a payment tool that can also lend. Treating it primarily as a lender is how good businesses end up with expensive debt and a damaged credit profile at the same time.