Amex Blue Business Plus Review 2026

This card has no fixed rate. Its Card Member Agreement, dated 30 June 2026, sets the purchase APR at the Prime Rate plus 9.99% at the low end and the Prime Rate plus 21.74% at the high end. The Federal Reserve put the bank prime loan rate at 6.75% in its H.15 release of 19 August 2026. So the band runs 16.74% to 28.49% today. Where you land inside it depends on your credit when you apply.

Two things follow that most reviews skip. Your rate moves when prime moves. The change takes effect on the first day of the billing period after prime changes, so a Federal Reserve decision reaches your statement without a letter arriving first. The agreement also caps every variable rate on this account at 29.99%.

New cardholders get a 0% introductory APR on purchases for 12 months from account opening.

Miss a payment and the arithmetic changes. The penalty APR is the Prime Rate plus 25.99%, which lands above the ceiling today, so the 29.99% cap catches it. It applies if a payment is returned, if you make two late payments in 12 billing periods, or if you miss the minimum by the closing date. Once it applies it stays for at least 12 billing periods.

The rest of the fee list is short. No origination fee. No annual fee. No prepayment penalty. Every purchase made outside the United States costs 2.7% after conversion to dollars.

Expanded Buying Power lets you charge above your credit limit. It is not a bigger limit. The part of the balance above the limit is due in full with your next minimum payment. Amex approves those charges case by case, reading how you spend and pay.

Carrying a balance here is expensive. At the midpoint of today's band, 22.62%, $50,000 held for a year costs about $11,308 in interest once the intro year ends. To borrow for longer than 12 months, a working capital loan is the cheaper instrument.

American Express looks for a credit score of 700 or better, though it publishes no hard floor. There is no minimum time in business. That opens the card to brand new LLCs and sole proprietorships.

There is no stated revenue minimum either. Amex pulls your personal credit report and reads your business finances during underwriting. The card is sold in all 50 states. You can apply as a sole proprietor with your Social Security number if you have no EIN.

Amex runs a one bonus per card lifetime rule, known to applicants as the pop-up restriction. It can block the welcome bonus if you have held this card before. Some applicants report targeted offers without that language. Most people will not see one.

The application runs online at americanexpress.com and takes about 10 minutes. Have your paperwork ready. You will need the legal business name, the business type, estimated annual revenue, your Social Security number or EIN, and your personal income.

Most decisions are instant. If yours needs a second look, expect an answer within 7-10 business days, and the card itself arrives by mail in the same window. Amex issues a virtual card number in the app as soon as you are approved, so you can spend before the plastic lands.

The welcome offer runs at 15,000 Membership Rewards points after $3,000 of spending in the first 3 months. The bar is low. It works out at roughly $150 to $300 depending on how you redeem. Some applicants are targeted with 50,000 or 75,000 points and a higher spending requirement.

The fee list here is short. Amex publishes all of it. Every figure below comes from the Card Member Agreement dated 30 June 2026.

- Annual fee: $0.
- Employee cards: $0, with no limit on the number of cards.
- Foreign transaction fee: 2.7% of each transaction after conversion to dollars.
- Late payment fee: up to $39, and never more than the minimum payment due.
- Returned payment fee: up to $39.
- Returned check fee: $38.
- Overlimit fee: none.
- Account re-opening fee: $25.
- Origination or setup fees: none.
- Balance transfer fee: not applicable, the card carries no balance transfer offer.

Pay in full each month and the card costs nothing. Not one dollar. The first year runs to $0 and renewal is $0, because there is no annual fee. The only ongoing cost for a domestic spender is interest on a balance carried past the intro year.

American Express carries a Trustpilot score of 1.3 out of 5 from over 5,000 reviews. The score is brand wide. It covers every Amex product, and it leans heavily on complaints about premium cards and international service. The BBB rates American Express A+ despite 5,089 logged complaints, 107 of them unresolved.

In January 2026 the U.S. Department of Justice announced that American Express agreed to pay a $108.7 million civil penalty over allegations of deceptive marketing tied to its credit card and wire transfer products. That case included entering false Employer Identification Numbers into credit card accounts held at an affiliate bank.

We found no CFPB complaint data for the Blue Business Plus on its own. Read the next section. The complaints we did read on BBB and Reddit cluster around sudden credit limit cuts, disputes over welcome bonus eligibility, and the difficulty of reaching a human on a complex problem. For a no-fee card with simple terms, this one draws fewer complaints than the premium Amex products.

Through the middle of August 2026 cardholders filled Reddit and TikTok with cut limits and financial review letters. Most said the same thing first. They had never missed a payment. The Card Member Agreement for this card, dated 30 June 2026, answers them in one line. Amex may increase or reduce the Credit Limit, and may do so even if you pay on time and the Account is not in default.

That is the deal, not a loophole. Your limit is a live number. Amex resets it from how you spend and pay, from your credit record, and from the resources it knows about. Expanded Buying Power runs on the same logic, and the agreement warns that the amount is not unlimited.

The wider setting checks out. In the July 2026 Senior Loan Officer Opinion Survey, a modest net share of banks reported tighter standards on credit card loans over the second quarter, and banks placed consumer standards at the tighter end of the range they have used since 2005. Read it closely though. Those card questions cover consumer cards, and in the same survey standards for business lending sit easier than their own midpoint.

Amex is not reporting stress in this book either. The delinquency line fell. Its 8-K filed on 17 August 2026 put US small business card accounts 30 days past due at 1.3% in July, against 1.4% in June and in May, and small business card balances rose to $46.1 billion. Nobody cut in this cycle should read it as a verdict on their own record.

The lesson is about float. It is not about Amex. If payroll rides on one card, one model update becomes a single point of failure. What a financial review is, and what to do inside one walks the process end to end. If a cut has already landed, emergency business funding ranks the replacements by speed and cost.

If your spending runs past the $50,000 cap: look at Capital One Spark Cash. No cap, no cliff. It pays a flat rate on everything, so the earn rate does not fall away at a threshold.

If you would rather have cash than points: look at US Bank Triple Cash. It pays cash back at a higher rate in a few business categories. Cash needs no redemption strategy.

If most of your spend is office supplies, internet and phone: Chase Ink Cash pays its top rate in exactly those categories.

If you buy from abroad: check the foreign transaction fee before you apply. Do it every time. The 2.7% on this card is the fastest way to lose the value of 2X points. Our tested list of business cards carries the current terms on all four.