ISBA American Express Business Card
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Limited-time Offer

$500 Cash Back Bonus

When you spend $5,000 or more in the first 90 days*

Apply now
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Unlimited rewards. Powerful benefits.

The ISBA American Express Business Card powered by Mercantile

Earn more when you pay your entire current balance with Weekly AutoPay.

5%

on ISBA purchases, up to $3,000/year¹

2%

on everything else. No caps.¹
Apply in minutes

Keep more in your pocket.

No annual feeᵃ

No foreign transaction fees

Apply in minutes
On demand redemption

Redeem however you want.

Travel with your Rewards

Book Flights, Hotels, Cars and Activities using your cash back rewards.

Lower your bill

Apply rewards directly to your balance.
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Date: 04/01/2026

Pay to the order ofSmith & Partners LLC
Amount$500.00
Unlimited

Employee cards

Set budgets per card. Track expenses per employee. No more manual reimbursement.

Stack your savings with Amex Offers

Get year-round savings and special deals on shopping, travel and entertainment.ᵇ

Enjoy market-leading insurance benefits for peace of mind.

Double the manufacturer's warranty up to twelve (12) months on eligible items purchased with your ISBA American Express Business Card. Certain exclusions, restrictions, and limitations apply. Please see Amex Insurance Terms and Conditions for more information.

With the ISBA American Express Business Card, travel with peace of mind with 24-hour Emergency Assistance. Certain exclusions, restrictions, and limitations apply. Please see Amex Insurance Terms and Conditions for more information.

Get up to $100,000 Worldwide Travel Accident Insurance coverage with your ISBA American Express Business Card. Certain exclusions, restrictions, and limitations apply. Please see Amex Insurance Terms and Conditions for more information.

Get up to $1,500 World Common Carrier Trip Cancellation/Trip Interruption Insurance coverage with your ISBA American Express Business Card. Certain exclusions, restrictions, and limitations apply. Please see Amex Insurance Terms and Conditions for more information.

Get the Roadside Assistance benefit with your ISBA American Express Business Card. Certain exclusions, restrictions, and limitations apply. Please see Amex Insurance Terms and Conditions for more information.

Get up to $50,000 in reimbursement for repair or replacement of a rented automobile as a result of damage or loss anywhere in the United States and Canada with your ISBA American Express Business Card. Certain exclusions, restrictions, and limitations apply. Please see Amex Insurance Terms and Conditions for more information.

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Up to 5% Cash Back Rewards¹
No Annual Feeᵃ

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Join 1000+ owners who use Mercantile every day to run their business.
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Mercantile, a division of Onboard Partners

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Card AgreementTerms of UseAccessibility Statement

Terms & Conditions

Subject to credit approval. As a condition to using the Card, you may be required to set up weekly automatic payments (“Weekly AutoPay”) toward your current balance. If approved, refer to your Card Agreement, Rewards Terms and Conditions, AutoPay Settings and Vendor Offers sections in your Online Portal for additional details. Authorized users are subject to regulatory compliance checks to obtain, verify and record information that identifies authorized users.

* To become eligible to earn your one-time $500 Cash Back Bonus, you must apply and be approved for the ISBA American Express Business Card by August 31, 2026 and use your new ISBA American Express Business Card to make at least $5,000 in net qualified purchases (minus credits, returns and adjustments) which must post to your Account (“Net Qualified Purchases”) in the first 90 days after account opening. Your Account must remain open for your Cash Back Bonus to be earned and applied. This bonus will be fulfilled as points, which can be redeemed for $500 in Cash Back Rewards. The points will be credited to your Rewards Balance after 3 billing periods once your account has been open for 90 days. Purchase requirements are met by eligible new purchases only. Disputes, fraud, illegal transactions, fees and interest, gambling transactions of any kind, or purchases that otherwise violate the terms of your account or the Card Agreement are not eligible. This one-time promotion is limited to members opening a new account in response to this offer.

¹ You may earn up to 5% in Cash Back Rewards up to $3,000 on ISBA net qualified purchases (minus credits, returns and adjustments) posted to your Account (“Net Qualified Purchases”) per year, which includes 1% in Cash Back Rewards for paying your entire current balance on a weekly basis via automatic payments (“Weekly AutoPay”). After that, up to 2% in Cash Back Rewards on Net Qualified Purchases which includes 1% in Cash Back Rewards for paying your entire current balance via Weekly AutoPay. See AutoPay settings in the Online Portal for reward offers per AutoPay frequency.

Cash Back Rewards are earned in the form of points which are credited to your Rewards Balance in the Online Portal. Points may be redeemed for (1) Cash Back Rewards, in the form of (a) a statement credit to your Account or (b) a check issued to the Business, or (2) travel, via our travel partner, Switchfly, in the Online Portal.

See the full Rewards Terms & Conditions for more information.

ᵃ The variable Annual Percentage Rates (APRs) for this Account are currently N/A to N/A, based on creditworthiness, for Purchases. There is no annual membership fee associated with this Card.

ᵇ See Amex Offers program terms and conditions for more information.

This Card is issued by Celtic Bank pursuant to a license from American Express. American Express and the American Express logos are trademarks of American Express Company and its affiliates.

All terms are subject to change.

Mercantile, a division of Onboard Partners

© 2026 Onboard Partners LLC. All rights reserved. Mercantile is a service mark of Onboard Partners LLC.