American Express® Business Platinum vs United℠ Explorer

American Express® Business Platinum
VS
United℠ Explorer
The short answer: The American Express® Business Platinum delivers a bit more value for most spenders.

Side-by-side comparison

American Express® Business PlatinumUnited℠ Explorer
Annual fee$895$150
Welcome offerUp to 300,000 Membership Rewards® PointsUp to 60,000 bonus miles
Advertising1%1%
Shipping1%1%
Office supplies1%1%
Phone & internet1%1%
Travel5%1%
Everything else1%1%
Est. yearly rewards*$642$474
Points typeTransfers to airlines & hotelsLocked to United MileagePlus
NetworkAmexVisa

*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified June 2026. See your own numbers in the calculator.

The verdict

On a typical year of business spending, the American Express® Business Platinum earns about $642 a year in rewards and the United℠ Explorer about $474, valuing every point at a flat 1 cent. The American Express® Business Platinum charges $895, but carries about $1,565 in annual statement credits that offset it for anyone who uses them. The United℠ Explorer charges $150, which you clear through its rewards and perks. Counting rewards, fees, and any credits, the American Express® Business Platinum delivers more total value, about $206 a year more for a typical spender, mostly because it earns more where you spend most, on travel. The bigger difference is the ceiling: the American Express® Business Platinum earns points you can move to travel partners for outsized value, while the United℠ Explorer stays locked to a single airline or hotel program. Favor the American Express® Business Platinum if you will use travel transfers, the United℠ Explorer if you want simplicity. On the sign-up bonus, the American Express® Business Platinum currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.

Pick the American Express® Business Platinum if your spending leans toward travel.

Read the full reviews

Frequently asked questions

Is the American Express® Business Platinum or the United℠ Explorer better?
On typical business spending, the American Express® Business Platinum comes out ahead after its annual fee, by roughly $206 a year with every point valued at a flat 1 cent. But the United℠ Explorer can be the better fit if your spending lines up with its stronger categories. Run both through the Cardocrat calculator to see your own numbers.
Can I have both the American Express® Business Platinum and the United℠ Explorer?
In most cases yes, as long as you meet each issuer's approval rules (for example Chase's 5/24 rule). Many people hold complementary cards to cover more bonus categories, then pool or redeem the rewards together where the program allows.
Which has the better welcome bonus, the American Express® Business Platinum or the United℠ Explorer?
As of June 2026, the American Express® Business Platinum offers up to 300,000 membership rewards® points and the United℠ Explorer offers up to 60,000 bonus miles. Welcome offers change often, so confirm the current offer on each card's page before applying.