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Although business credit cards are designed primarily for business use, their application and use can often affect your personal credit.

When you apply for a new business credit card, a card issuer checks your personal credit report and score, known as a hard credit inquiry. So, it can have a small but temporary negative impact on your credit score.

Most major business credit card issuers won't report your balance or payments to the consumer credit bureaus, or they only do so when something goes wrong, such as late payments or default. However, some issuers tend to report business credit card activity to both business and personal reporting agencies every month.

Pay attention that most business credit cards require a personal guarantee. This means that if the business fails to pay the card's debts, the guarantor is personally responsible for paying the debt.