The definitive guide to corporate cards.
There’s a better way to charge.
The old way of using corporate cards is cumbersome. For most of their short history — and even today to some extent — business cards have enabled simple transaction mechanisms with minimal control, some rewards, and low visibility into how employees are spending.
Plus, for many companies, they are often hard to access. If you’re a startup or early-stage company without much spending history, credit can be difficult to obtain. You have to put up a personal guarantee, live with lower limits, or sometimes banks won’t issue you a card at all.
A corporate card program should make starting and growing a business easier, not harder. Even when approved for credit, companies struggle to issue cards to the right people and then manage those limits. In some cases, multiple employees share a single card, further reducing visibility, control, and predictability.
What if it was all so much easier? What if a corporate card could be tailored to your specific business needs? And what if that card actually reduced work for employees, accounting, and finance instead of creating more?
Today’s corporate cards should be strategic finance tools that use AI to learn policies, control spend, and automate compliance no matter where your employees are, and make it easy to use spend to grow your business.
There are lots of business cards a company can choose to use. But there's only one card for smart business spending. Read on to discover what makes a card “smart,” the benefits of such a card, and why orgs using traditional credit cards are leaving money — and control — on the table.
The problems with traditional card programs.
Some of the biggest complaints we see with the most popular corporate cards on the scene:
A smart card is one of the most accessible financial tools a growing organization can leverage to build a modern spend strategy as well as a culture of financial discipline. It’s like having an extra team of controllers out in the field enforcing spend limits and empowering people to make better financial decisions — without all the overhead.
Here are some of the capabilities savvy orgs should look for in a “smart” corporate card.
What makes a card “smart”?
A smart corporate credit card isn’t your typical card — it gives you both the freedom to spend and the control required for business spend. It combines software with AI to control spend, learn your policies, automate compliance, and provide a premium experience for employees and finance teams alike. Plus, you get card rewards that allow you to take bigger swings sooner — on billboards, travel, and offsites — without burning your hard-earned runway.
But the ultimate value of a smart card comes in the form of a high limit that empowers you to control spending before it happens — a card with embedded expense management software and AI that eliminates manual work. This allows companies to get five key benefits:
Customizable spend limits
Proactive controls
Embedded policies
AI-powered automation
Global capabilities
Let’s explore each of the five key benefits in depth.
Customizable spend limits.
No business ever saved its way to growth. But using money and spending power more strategically than the competition will fast-track growth. Get higher spending power with a smart corporate card and also make it go further with granular control over money allocation with spend limits.
Pre-approved spend limits with category and merchant controls ensure that dollars are spent wisely, but also freely. With a customizable spend limit, allot any amount for any designated purpose — flexible or rigid, shared or individual, recurring or one-time. This allows finance to empower employees to spend confidently with the right guardrails in place.
Finally, shareable spend limits are a huge benefit and aren’t possible with a regular corporate card. These allow you to issue every employee one single card and then assign them multiple spend limits — each for specific purposes with specific controls.
For example, a work-from-home stipend will not be as strict as the budget for social ad spend. This gives each person one card with multiple ways to spend. Finance stays in control on the back end and can track all spend to the right budget automatically.
Customizable controls.
A card without controls is just that: out of control. You need a corporate card program that lets you control cards at any level, such as restricting spend to a specific merchant, category, dollar amount, vendor, or user. You should be able to set requirements for memos, receipts, attendees, multi-level approvals, or set card limits to expire or recur.
For even greater control, the smartest corporate card allows you to embed policies with real-time tracking of how the card is used, with the ability to make changes at any time. We’ll go further into embedded policies next.
Embedded policies.
Wouldn’t it be ideal if your employee didn’t have to memorize an entire set of spending policies while they’re using their card on the go? It shouldn’t be up to them to know everything about how their card should and shouldn’t be used — it should be up to the card.
With a corporate card whose policies are embedded, it’s just that simple. You can give employees pre-approved budgets for travel and expenses, stipends, and more with rules and blocks that are automatically enforced. This also allows managers to skip the approval process for in-policy spend entirely, focus only on the exceptions, and free them up for higher-impact work.
AI-powered automation.
If you had to describe the smartest corporate card in the room, you’d probably say, “It’s a card that does its own expenses instead of making me do them.” With built-in intelligence, powered by AI agents, that’s exactly what happens.
Every transaction puts AI agents to work. Receipts, memos, categories, and attendees are captured automatically. Spend is coded to the right general ledger or project in real time. Your policies are applied instantly — low-risk purchases are approved, exceptions are flagged, and only what truly needs review gets escalated.
Instead of chasing receipts and fixing mistakes after the fact, finance teams have AI agents working quietly in the background — keeping spend accurate, compliant, and under control from the moment it happens.
Global capabilities.
Traditional business cards work globally. Visa is notably “everywhere you want to be,” and Mastercard works in more than 210 countries and territories. The gap in most cards’ global capabilities, however, lies in the ability to adapt locally.
That’s because most programs can’t offer local currency cards or reimbursements without using multiple tools or vendors. More tools means more work and that makes it more difficult to manage your card program holistically or cost-effectively.
Truly global card capabilities enable localized spend limits and controls as well as automated currency calculations because multiple currencies show up in the finance team’s view.
Additional benefits.
Smart cards also provide generous:
Insights. Track spending trends, identify cost-saving opportunities, and optimize budget allocation. Forecasts future spending and potential areas for cost reduction. Compare spending patterns against industry averages for the most informed decision-making.
Rewards. For a corporate card, rewards are table stakes. They’re what you expect no matter what card you’re using. The smartest card in the room not only gives cash back, but offers discounts, credits, and other perks that help move the needle on business growth.
Flexibility. Whether they’re T&E cards, vendor cards, p-cards, lodge cards, or stipends, smart cards offer numerous options to flexibly fit how you operate — not the other way around.
Take charge of your card.
Stop fiddling with card programs that don’t work for you or your employees. Brex cards are where higher spending power meets smarter controls at every swipe — and expense reports do themselves. With Brex, you get:
Maximum spending power.
Unlock up to 40x higher limits with a Brex business account* and earn up to 7x points on select categories like travel, advertising, and dining.
Powerful card controls.
Issue virtual and physical cards with embedded controls that work at the category, merchant, and transaction level.
Support for local currencies.
Get local currency cards for 60 countries and 30+ currencies.
Real-time tracking of all spend.
Get one pane of glass for all your card spend, reimbursements, and bill payments in one up-to-the-minute platform.
*Higher credit limits may require a Securities Account Control Agreement.
This article reflects Brex's perspective at the time of publication and is intended for general informational purposes. Information may change over time.