You can use your business credit card for almost any expense that is ordinary and necessary to run your business — supplies, software, marketing, travel, rent, professional services, equipment, and the fees that come with operating the account itself. The boundaries come from three places: federal tax law, the contract you signed with the card issuer, and the legal separation between you and your business. Stay inside those lines and the card does what it is meant to do. Cross them and you can lose deductions, lose liability protection, or lose the account.
Charges That Clearly Belong on the Card
Most day-to-day business costs are fair game. The Internal Revenue Code allows a deduction for expenses that are common in your industry and helpful for your work, and that standard covers a wide range of spending.1Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses Typical charges include:
- Office furniture, computers, printers, and inventory you plan to resell
- Monthly software subscriptions — accounting platforms, cloud storage, website hosting, design tools
- Marketing costs, from digital ads to printed brochures and business cards
- Rent and utilities for a leased office, storefront, or coworking membership
- Business travel: airfare, hotels, rental cars, train tickets, fuel
- Conference registrations, continuing education, and professional certifications
- Business insurance, legal advice, and accounting services
If a charge is directly tied to keeping your business running or growing it, the card is the right place to put it.
The IRS Ordinary and Necessary Test
Whether an expense counts as a business expense at tax time turns on a two-part test in Internal Revenue Code Section 162. The expense must be both ordinary and necessary for your trade or business.1Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses
Ordinary means common and accepted in your particular field. If other professionals in your line of work regularly incur the same cost, it qualifies. Necessary means helpful and appropriate for your business. It does not have to be indispensable; it just has to serve a legitimate business purpose.2Internal Revenue Service. Ordinary and Necessary
The purchase also has to connect to a profit-seeking activity. If you spend money on something unrelated to generating income, it fails the test even when it looks businesslike on paper. When the IRS denies a deduction, the typical consequence is a 20 percent accuracy-related penalty on the resulting underpayment.3Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments
Meals and Entertainment
You can charge business meals to the card, but the deduction is limited to 50 percent of the cost.4Office of the Law Revision Counsel. 26 USC 274 – Disallowance of Certain Entertainment, Etc., Expenses To qualify, the meal cannot be lavish, and you or an employee must be present when the food is provided. A working lunch with a client fits. A restaurant gift card sent to someone you have never met does not.
Entertainment costs are a different story. Tickets to sporting events, concerts, and golf outings are not deductible at all, even when a business discussion happens during the event.4Office of the Law Revision Counsel. 26 USC 274 – Disallowance of Certain Entertainment, Etc., Expenses You can still pay for them with a business card if they serve a real business relationship, but you get no tax write-off.
Big Purchases Versus Everyday Costs
Charging a purchase to a business card and deducting it in full the same year are two different things. The IRS separates everyday operating costs from capital expenditures, which are larger purchases you recover over time through depreciation.5Internal Revenue Service. Publication 551 – Basis of Assets
Routine expenses like office supplies, monthly subscriptions, and minor repairs are deductible right away. A $15,000 piece of manufacturing equipment is a capital asset. You add its cost to your tax basis and depreciate it over its useful life, though Section 179 of the tax code lets many small and mid-size businesses immediately expense qualifying equipment rather than spreading the cost across years. Small purchases — generally $2,500 or less per item for businesses without audited financial statements — can be expensed immediately under a safe harbor rule.
The takeaway for card use is simple: put the equipment on the card if that makes sense for your cash flow. Just do not assume the full amount hits your tax return the same way a $60 software subscription does.
Items You Use for Both Business and Personal Reasons
Some purchases serve two purposes. A cell phone, home internet, or a laptop you also use for personal browsing all fall into this category. You can charge them to the business card, but you can only deduct the portion that reflects actual business use.
Say you use your phone 60 percent of the time for business calls. Sixty percent of the bill is deductible; the rest is personal. The IRS expects a log — dates, tasks, time spent — supporting whatever percentage you claim. Deducting 100 percent of a device you also use personally is a well-known audit trigger, so track usage honestly.
The same logic applies to a vehicle used for both client visits and family errands. Only the business share of fuel, maintenance, and insurance qualifies, and a mileage log is the simplest way to document the split.
What Does Not Belong on the Card
Personal, family, or household spending should stay off the business card. That includes family groceries, everyday clothing, household utility bills, personal medical costs, and gym memberships unrelated to your profession. Hobbies and leisure activities that do not contribute to business income fall outside proper use as well, even if the hobby is adjacent to your field. A freelance photographer who charges personal vacation photos to a business card is misusing the account.
Education is a gray area worth flagging. Courses that maintain or improve skills you already use in your current business qualify. Education that trains you for an entirely new career — a marketing consultant enrolling in law school, for instance — is a personal expense and is not deductible, even if you put it on the business card.6GovInfo. 26 CFR 1.162-5 – Expenses for Education
Why Mixing Personal Charges In Causes Real Problems
Running personal charges through a business card costs more than a lost deduction. When business and personal funds get blended — called commingling — a court can decide that your corporation or LLC is not truly separate from you as an individual. If that happens, the court can pierce the corporate veil, stripping away limited liability and exposing personal assets like your home, savings, and vehicles to business debts. Commingling is one of the factors courts weigh most heavily, and single-member LLCs and closely held companies face the highest risk.
On the tax side, deducting personal charges as business expenses creates an underpayment. The IRS can impose a 20 percent accuracy-related penalty for negligence on the underpaid amount.3Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments Cases involving intentional misrepresentation are treated far more seriously.
Personal Guarantees and Your Credit Report
Most small-business credit cards require a personal guarantee from the owner. That means you are legally on the hook for the balance if the business cannot pay, even if the business is an LLC or a corporation. Lenders can pursue your personal savings, property, and other assets. Corporate cards issued without a personal guarantee are generally reserved for well-established companies with substantial revenue and a long credit history.
Some issuers also report business card activity to the consumer credit bureaus. Others report only negative events like missed payments. If your card shows up on your personal credit report, high balances and late payments will drag your personal score down the same way a consumer card would. Ask the issuer about its reporting policy before you apply.
Rewards, Fees, and Interest
Credit card rewards from business spending — cash back, points, miles — are generally not taxable income. The IRS treats spending-based rewards as rebates on money you already spent. If you redeem rewards to cover a business expense, you cannot deduct the portion covered by the rewards, because you did not actually spend cash on it. Only the cash portion of a partially redeemed purchase is deductible. Sign-up bonuses tied to a minimum spending requirement are usually treated the same way. Bonuses received with no spending requirement, such as a reward for opening a bank account, may be taxable.
Interest charges on a business credit card balance are deductible as a business expense, and so is an annual fee on a card used exclusively for business. Interest on personal credit card debt, by contrast, is not deductible.7Internal Revenue Service. Topic No. 505 – Interest Expense If you carry a balance that mixes business and personal charges — which you should avoid — only the interest attributable to the business share qualifies.
Records You Have to Keep
The IRS can deny a deduction for any expense you cannot document, no matter how legitimate the underlying cost was.4Office of the Law Revision Counsel. 26 USC 274 – Disallowance of Certain Entertainment, Etc., Expenses For each transaction, record the amount (including tax), the date, the vendor, a specific business purpose, and, for meals or meetings, the names of the people involved and the business relationship. “Office supplies” is better than nothing, but “printer paper for client proposals” is what the IRS wants to see.
Receipts are the primary evidence. Digital formats work — photos of paper receipts, emailed invoices, and records inside accounting software all qualify under Revenue Procedure 97-22, provided the storage system preserves legible copies that can be reproduced on request.8Internal Revenue Service. Revenue Procedure 97-22 Travel needs extra detail: a log showing dates, destinations, and the business reason for each trip.9Internal Revenue Service. Topic No. 511 – Business Travel Expenses A monthly statement alone does not do the job. It shows you spent the money, not why.
Cards You Give to Employees
Many accounts let you issue cards to employees. That is convenient, but the business — and often you personally, if you signed a personal guarantee — is on the hook for every charge, including unauthorized ones. If an employee uses the card for personal purchases, you still owe the issuer.
Protect yourself with a written policy that spells out what employees can and cannot charge, require pre-approval above a set dollar amount, and review statements regularly. Accidental personal charges that get reported and reimbursed quickly are a policy matter. Repeated or intentional misuse can rise to embezzlement.
What Your Cardholder Agreement Says
Tax law is not the only rulebook. Your card is governed by a private contract with the issuer, and most agreements explicitly restrict the account to business use and prohibit personal or household purchases. Some also ban high-risk transactions like cash advances used for gambling or lottery tickets.
Violations have consequences. If the issuer sees a pattern of non-business spending, it can freeze or close the account. An involuntary closure disrupts cash flow, wipes out accumulated rewards, and can leave a negative mark on your credit report. Read the terms before you apply so you know exactly what the issuer allows.