Mercantile Partners with American Express and the American Bar Association to Launch a Small Business Credit Card for Legal Professionals

Rhea-AI Summary

American Express (NYSE:AXP), Mercantile, and the American Bar Association launched the ABA American Express Business Card for legal professionals on June 24, 2026.

The card targets solo practitioners and small law firms, offering up to 2% cash back on everyday spend and 5% on ABA spend, plus Amex Network benefits and credit-building tools.

News Market Reaction – AXP

+1.42%

+1.42% Session close to close

In the Jun 24 session, AXP gained 1.42%, reflecting a mild positive market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Context

This announcement extends AXP’s co-brand card strategy into legal professionals via the ABA, adding ...

Analysis

This announcement extends AXP’s co-brand card strategy into legal professionals via the ABA, adding targeted rewards up to 5% on association spend. With low reported short interest and mixed prior reactions to partnerships, execution and usage metrics will be important to watch.

Key Figures

Cash back rate: Up to 2% cash back ABA spend cash back: Up to 5% cash back ABA spend cap: $2,000 per year +1 more

4 metrics

Cash back rate Up to 2% cash back Everyday business spending on ABA American Express Business Card

ABA spend cash back Up to 5% cash back ABA spend on ABA American Express Business Card

ABA spend cap $2,000 per year Maximum ABA spend eligible for 5% cash back each year

Association partnerships period Five years Mercantile’s growing roster of association partnerships over past five years

Previous Partnership Reports

5 past events · Latest: May 26 (Positive)

Same Type Pattern 5 events

Date	Event	Sentiment	24h Move	Catalyst
May 26	Co-brand card launch	Positive	-0.3%	Launch of ASID American Express Business Card targeting design professionals and firms.
May 01	Sponsorship partnership	Positive	-1.0%	Multi-year James Beard Foundation partnership with Amex and Resy for awards and programs.
Apr 30	Co-brand issuer deal	Positive	+2.3%	Synchrony to issue MyLowe's Pro Rewards American Express Card for home improvement pros.
Apr 02	Experiential partnership	Positive	-0.4%	Amex, Resy and Chef’s Table partnership creating live dining experiences tied to the series.
Feb 10	Sports partnership	Positive	+1.0%	Multiyear NBA partnership extension keeping Amex as Official Payment Partner across leagues.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Partnership announcements for AXP have historically led to modest, mixed price reactions, with positive news often met by small gains or mild pullbacks.

Key Terms

american express network, amex offers, cobrand program

3 terms

american express network financial

"will be issued by Celtic Bank and run on the American Express Network"

A payment card network run by American Express that routes and authorizes credit and charge-card transactions between cardholders, merchants and banks. Think of it as a toll road for electronic payments: the wider and faster the road, the more transactions and fees the company can earn. Investors watch network size, merchant acceptance, transaction volume and fee levels because they directly influence revenue, profit margins and competitive strength.

amex offers financial

"Access to Amex Offers and Amex Network benefits across travel, lifestyle,"

Amex Offers are targeted discounts, statement credits or deals that cardholders receive through their American Express account for shopping, dining or services with participating merchants. They act like coupons automatically applied to a credit card bill when a qualifying purchase is made. For investors, these offers matter because they drive card usage and customer loyalty, help merchants attract sales, and can influence fee and interchange revenue that affects a payment company's financial performance.

cobrand program financial

"The Mercantile & ABA cobrand program is built on the American Express"

A cobranded program pairs a bank or credit-card issuer with a retailer, airline, hotel or other consumer brand to offer a payment card or loyalty product that carries both names. For investors, it’s a way to grow customers and predictable income—think of a store-branded card that gives discounts and earns fees and interest—because such partnerships can boost sales and recurring revenue while adding marketing costs and credit risk.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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New ABA program reflects growing demand for association-led financial solutions and lays groundwork for future member and consumer offerings

BOSTON, June 24, 2026 /PRNewswire/ -- Mercantile, a financial services platform and division of Onboard Partners, which is focused on expanding responsible access to credit for small and professional service businesses, today announced a new collaboration with the American Bar Association (ABA) to expand access to purpose-built credit solutions for legal professionals nationwide. The new ABA American Express^® Business Card will be issued by Celtic Bank and run on the American Express Network — providing ABA Members access to Amex Network benefits, offerings, and protections.

The card offering is designed to better support solo practitioners and small law firms—segments that often need flexible financing to manage cash flow and invest in growth. Through Mercantile's platform, the ABA will offer a new member-focused business credit card designed specifically for the realities of running a modern legal practice, combining competitive rewards with tools that help firms build stronger financial footing.

The ABA American Express^® Business Card includes:

• Up to 2% cash back on everyday business spending*
• Up to 5% cash back on ABA spend up to $2,000 per year*
• Access to Amex Offers and Amex Network benefits across travel, lifestyle, and retail, as well as insurance protections
• Payment options, including weekly autopay and solutions that allow a broad spectrum of applicants to gain access to credit
• The ability to build a stronger business credit profile over time while managing budgets and day-to-day expenses

"This collaboration reflects Mercantile's commitment to working with trusted institutions to deliver responsible financial solutions," said Scott Shaw, CEO and President at Onboard Partners, Mercantile's parent company. "By teaming with the ABA and leveraging the American Express Network, we're helping create a program that supports legal professionals where they are today—while laying the foundation for future offerings as member needs continue to evolve."

"American Express is proud to partner with Mercantile and the American Bar Association," said Will Stredwick, SVP and GM of Global Network Services for North America at American Express. "Solo practitioners and small law firms need financial solutions that work as hard as they do. The ABA American Express^® Business Card delivers tools that help legal professionals manage cash flow, earn on core business expenses, and access the benefits and protections of the American Express Network."

The ABA selected Mercantile following an evaluation process focused on member alignment, operational rigor, and long-term scalability, choosing a platform designed to support small business members. This collaboration also joins a growing roster of association partnerships Mercantile has built over the past five years and marks the continued expansion of the Mercantile American Express card program across professional verticals.

The Mercantile & ABA cobrand program is built on the American Express Agile Partner Platform (APP), which enables fintechs and program managers to create and introduce customized payment products quickly, securely, and seamlessly in partnership with American Express.

For more information, visit about.americanbar.cards

*Program offer terms and conditions apply. See the full Rewards Terms & Conditions for more information. Subject to credit approval.

About Mercantile

Mercantile is a financial services platform and a division of Onboard Partners, focused on expanding access to credit for small and professional service businesses. Mercantile works with trusted organizations to design and operate responsible, scalable credit card programs that support growth, transparency, and long-term financial health. Programs are enabled on leading payment networks, including American Express.

About the American Bar Association

The American Bar Association is the largest voluntary association of lawyers and legal professionals in the world. Founded in 1878, the ABA works to serve its members, improve the legal profession, and promote justice, equity, and the rule of law.

About American Express

American Express (NYSE: AXP) is a global payments and premium lifestyle brand powered by technology. Our colleagues around the world back our customers with differentiated products, services, and experiences that enrich lives and build business success.

Founded in 1850 and headquartered in New York, American Express' brand is built on trust, security, service, and a rich history of delivering innovation and Membership value for our customers. We seek to provide the world's best customer experience every day to a broad range of consumers, small and medium-sized businesses, and large corporations, and we build and manage relationships with millions of merchants across our global network. For more information about American Express, visit americanexpress.com, americanexpress.com/en-us/newsroom/, and ir.americanexpress.com.

View original content to download multimedia:https://www.prnewswire.com/news-releases/mercantile-partners-with-american-express-and-the-american-bar-association-to-launch-a-small-business-credit-card-for-legal-professionals-302809307.html

SOURCE Mercantile

FAQ

What is the ABA American Express Business Card for legal professionals (AXP)?

The ABA American Express Business Card is a small business credit card tailored to legal professionals. According to Mercantile, it targets solo practitioners and small law firms, combining cash back rewards, flexible payment options, and Amex Network benefits to support law practice finances.

What rewards does the ABA American Express Business Card offer ABA members?

The card offers up to 2% cash back on everyday business spending and up to 5% cash back on ABA-related spend, capped at $2,000 per year. According to Mercantile, these rewards aim to align with core legal practice expenses and ABA engagement.

How does the ABA American Express Business Card help small law firms manage cash flow?

The card supports cash flow with flexible payment options, including weekly autopay and other financing choices. According to Mercantile, these features are designed to help a broad spectrum of legal practices access credit and manage day-to-day budgets and operating costs more effectively.

Who issues the ABA American Express Business Card and which network does it use?

The ABA American Express Business Card is issued by Celtic Bank and runs on the American Express Network. According to American Express, this setup provides access to Amex Offers, travel and lifestyle benefits, retail perks, and a range of insurance and purchase protections.

How can the ABA American Express Business Card impact business credit for lawyers?

The card is designed to help legal professionals build a stronger business credit profile over time. According to Mercantile, responsible use while managing budgets and daily expenses may support improved credit standing for solo practitioners and small firms, aiding future financing opportunities.

What role does Mercantile play in the ABA and American Express small business card program?

Mercantile provides the financial services platform enabling the ABA American Express Business Card program. According to Mercantile, its technology supports customized, association-led credit solutions, built on the American Express Agile Partner Platform to quickly launch tailored payment products for small and professional service businesses.