Phase 03: Finance

Brex vs Ramp vs Divvy for E-Commerce Sellers: Manage Online Business Expenses

9 min read·Updated April 2026

Running an online store, whether it's your first Shopify shop or scaling an Amazon FBA business, means keeping tight control of your money. Corporate cards aren't just for big companies anymore; they're essential tools for managing ad spend, inventory, and software subscriptions. Brex, Ramp, and Divvy all offer cards with spend controls, receipt capture, and accounting links. But they differ significantly in how they handle rewards, credit limits, and who can get approved.

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The Quick Answer

For most established online sellers with consistent sales and cash flow, Ramp is the strongest choice. It offers best-in-class expense automation for your inventory, ad campaigns, and subscription tools, plus a focus on saving money with cashback. Divvy (now BILL Spend and Expense) is often the right fit for newer or bootstrapped e-commerce businesses that need a credit line for inventory buys or marketing, especially if they don't have a large cash balance. Brex can work for high-volume Amazon FBA sellers or online brands with significant external funding looking for high limits.

Side-by-Side Breakdown

Ramp: Free platform. This is a charge card, meaning you pay off your balance monthly. Your credit limits are based on your online store's cash in the bank, typically 50-75% of your available cash. This setup works well if you have consistent sales revenue from your e-commerce store. It offers 1.5% cashback on all spending, which can quickly add up on large ad spends or bulk inventory purchases. Ramp is known for automatically matching receipts for Facebook Ads, Shopify app subscriptions, or shipping label costs. No personal guarantee is required.

Brex: Free for very early e-commerce startups, then $12/user/month for premium features. It's a charge card. Credit limits are higher for online businesses with significant cash from investor funding or very high-volume sales. Rewards often focus on travel, which might be less relevant for many solo online sellers but could be useful for product sourcing trips. No personal guarantee is required for highly capitalized e-commerce companies.

Divvy (BILL Spend and Expense): Free platform. Offers a revolving credit line, which means you can carry a balance if needed—a big plus for managing inventory spikes or covering ad spend. Your credit is determined by BILL's review, making it more accessible for bootstrapped Etsy sellers or new Shopify stores without deep pockets or external funding. Rewards are maximized if you pay weekly. A personal guarantee might be required, which is common for smaller online businesses needing credit.

When to Choose Ramp

Choose Ramp if: You have consistent sales generating good cash flow (e.g., $50k+ in your business bank account) from your Shopify, Amazon, or Etsy store. You want to automate tracking every dollar spent on Facebook Ads, Google Shopping campaigns, inventory purchases, or dropshipping fees. Ramp's AI can quickly match receipts for recurring software (like Klaviyo, ShipStation) or one-off supplier payments. You're focused on maximizing profit margins by getting 1.5% cashback on all business spending, not just collecting travel points. You use accounting software like QuickBooks Online, Xero, or even a detailed spreadsheet, and want a smooth way to sync your e-commerce expenses.

When to Choose Brex

Choose Brex if: Your e-commerce business has raised a significant funding round, or you have very high monthly sales volume (e.g., $250k+ revenue) and need a large credit limit to match your inventory purchasing power or ad spend. You frequently travel for sourcing products, attending trade shows, or visiting manufacturers (e.g., going to Canton Fair, NY Now for handmade goods). Brex offers strong travel rewards. You want a corporate card that has a professional look and feel for large-scale vendor payments or high-ticket inventory suppliers.

When to Choose Divvy

Choose Divvy if: You are a bootstrapped Etsy seller, a new Shopify store, or an Amazon FBA seller who needs access to a real credit line to buy inventory, pay for ad campaigns, or cover slow sales periods, without relying on investor money or a huge bank balance. You want the flexibility to carry a balance occasionally if an inventory order is larger than expected, or if you need to float ad spend for a few weeks before getting paid by Amazon or Shopify. You are comfortable working within the BILL Spend and Expense platform for managing your finances. You can manage your cash flow to pay off balances weekly, which helps maximize your rewards for things like shipping costs or product photography.

The Verdict

For most established online stores with consistent sales and cash flow: Ramp offers top-tier expense automation and cashback, making it easy to track inventory, ad spend, and subscriptions.

For newer or bootstrapped e-commerce businesses that need funding flexibility for inventory or ad campaigns: Divvy is often the better choice as it provides a true credit line, even without a venture funding track record.

Brex is less common for typical Shopify/Etsy/Amazon sellers but could be an option for very high-growth or funded e-commerce brands needing significant limits.

All three platforms are free to use; the key differences for online sellers are how they determine your credit limit, the rewards you earn (cashback vs. travel points), and the payment terms.

How to Get Started

Ramp: Apply online in minutes. You'll connect your business bank account. Ramp uses your active sales revenue and bank balance to set your initial credit limit, which is ideal for established online stores with steady cash flow. Cards can be ready in 1-3 business days.

Brex: Apply at brex.com. If your e-commerce business has external funding, have your investment documents ready. Limits are set based on your funding and cash position, allowing large inventory buys or ad budgets.

Divvy: Apply through BILL's platform. The approval process typically takes 1-3 days. Initial credit limits might start lower for new Etsy or Shopify sellers but can increase as your online business grows and you establish a strong payment history.

RECOMMENDED TOOLS

Ramp

Free expense management + corporate cards

$250 bonus

Brex

Corporate cards for startups and growth companies

$250 bonus

Divvy

Business credit + expense management by BILL

Some links above are affiliate links. We may earn a commission if you sign up — at no extra cost to you.

FREQUENTLY ASKED QUESTIONS

Do Ramp and Brex require a personal guarantee?

Generally no, for charge cards. Ramp and Brex use your business cash position or funding to underwrite limits without requiring a personal guarantee. Divvy may require one for newer businesses or lower credit profiles.

Can I use these alongside my existing bank account?

Yes. None of these are banks (except Brex, which has its own cash management product). You keep your business bank account and use the card platform on top of it.

What happens to my Brex account if I run out of runway?

Brex monitors cash position and can reduce limits if cash falls significantly. If you shut down, any outstanding balance is due immediately. Charge cards require full payoff and cannot be used as a bridge.

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