Capital One Business Savings: A 3.70% Promo Rate That's Worth a Look

If you've got some business cash sitting around that you don't need immediately, Capital One is offering a promotional rate on their Business Advantage Savings account that might catch your eye. For the first three months, you can earn up to 3.70% APY on balances between $10,000 and $10 million. That's a solid bump from the standard rate, and it's available nationwide. Let's break down what you need to know.

What's the Catch? The Promo Rate Is Temporary

The headline 3.70% APY is only guaranteed for the first 92 days after you open the account. After that, the rate drops to whatever the standard variable rate is at the time—which, for balances under $10,000, is currently just 0.25%. So this isn't a set-it-and-forget-it deal. You'll want to keep an eye on when the promo ends and decide if you want to move your money elsewhere.

That said, if you have a chunk of business savings you can park for three months, it's a decent way to earn some extra interest without locking your money up for a long time. There's no early termination fee, so you're free to transfer out after the promo period without penalty.

How to Avoid the Monthly Fee

The account has a $3 monthly service fee, but it's easy to waive. Just keep a minimum balance of $300 in the account at all times. That's pretty low compared to many business savings accounts, so it shouldn't be a hurdle for most small business owners. If your balance dips below $300 in a given month, you'll be charged the fee, so set a reminder or link it to your checking account to avoid surprises.

Perks Beyond the Rate

Beyond the promotional interest, Capital One throws in some useful features. You can make up to six free withdrawals per statement cycle, which is standard for savings accounts. If you also have a Capital One business checking account, you can link them for overdraft protection—that could save you from costly fees if you accidentally overdraw. And of course, your deposits are FDIC-insured up to the legal limits, so your money is safe.

The account also comes with 24/7 online and mobile access, so you can manage your savings from anywhere. If you prefer a more personal touch, you can request a dedicated business banker to help with your account and other banking needs.

Who Should Consider This Account?

This is a solid option if you're a small business owner with at least $10,000 in savings you can set aside for three months. The promo rate is competitive for a business savings account, and the low minimum balance requirement to waive the fee makes it accessible. However, if you're looking for a long-term high-yield savings account, you might want to compare other options that offer consistently high rates without a time limit.

Also, keep in mind that the promo rate only applies to balances between $10,000 and $10 million. If you have less than $10,000, you'll earn the standard rate (0.25%), which is pretty low. So make sure you can meet that $10K threshold to get the full benefit.

Bottom Line

• Earn up to 3.70% APY for the first 3 months on balances of $10K–$10M.
• No early termination fee and no minimum opening deposit required.
• Monthly $3 fee is easily waived with a $300 minimum balance.
• After the promo, the rate drops to a standard variable rate (currently 0.25% for under $10K).
• Best for short-term parking of business savings; consider other accounts for long-term high yield.

Common Questions