Not every great credit card comes with a huge welcome bonus. Sometimes the best long-term value shows up quietly, with no annual fee and benefits that keep giving back year after year.

That is exactly what you get with the American Express Blue Business Plus Credit Card. This card often gets overlooked because of other more popular Amex cards, but it actually offers some of the best returns on everyday business spending you can find. If you have not paid attention to it, now is a good time to take a closer look.

Let us be honest about the welcome offer

The current welcome offer for the Amex Blue Business Plus gives you 15,000 Membership Rewards points after you spend $3,000 in the first three months of having the card. If Amex points are worth about 1.7 cents each, that is roughly $255 for travel. It is not bad, but it will not excite people who chase big point bonuses.

When premium Amex cards are offering huge bonuses, this offer will not turn many heads. If you are mainly looking for a splashy welcome bonus, the American Express Business Gold Card or the Business Platinum Card from American Express will give you what you are looking for much more satisfyingly.

But the welcome offer is not really what this card is about. It never was. You get this card for what it gives you every single month, for years, without ever charging you an annual fee.

The Part That Actually Matters: 2x Points on Everything

This is where the Amex Blue Business Plus really shines. The card gives you 2x Membership Rewards points on every dollar you spend, up to $50,000 per calendar year. After that, it drops to 1x. There are no category limits, no need to activate anything, and no rotating quarterly bonuses to track. Just a simple, flat 2x on all purchases up to that yearly limit.

Spending the full $50,000 will get you 100,000 Membership Rewards points each year. At a 1.7 cents-per-point value, that is $1,700 in travel value from a card with no annual fee.

Here is what makes it stand out: this is the only no-annual-fee card you can get that earns 2x transferable points. You can redeem these points through all of Amex's airline and hotel transfer partners at the best rate. These are not watered-down points or fixed cash back; they are full Membership Rewards points that you can move to partners like Air Canada Aeroplan, ANA Mileage Club, Marriott Bonvoy, and many others. No other free card does this.

A Safety Net for Your Amex Points Balance

There is another good reason to have this card that experienced points collectors will immediately recognize. If you ever decide to downgrade or cancel a premium Amex card with an annual fee, like the Business Platinum or Business Gold, you risk losing your Membership Rewards balance. This happens unless you have another Amex card that earns points in the same currency.

The Amex Blue Business Plus solves this problem well. Keeping it open at no cost lets you keep your points balance indefinitely, even if you get rid of cards with higher fees during a particular year. Think of it as an anchor for your whole Amex points system it is light, free, and quietly important.

Who's Eligible and Why the 5/24 Rule Doesn't Apply

Eligibility follows Amex's usual "once in a lifetime" rule. If you have had this card or an older version of it before, you will not qualify for the welcome offer again. If you have it now, you cannot get the offer.

A few key eligibility notes worth knowing:

• Having other Amex cards, whether personal or business, does not stop you from applying.
• This card counts toward Amex's general five-card credit limit.
• It does not count toward Chase's 5/24 limit, meaning getting it will not stop you from getting Chase cards later.
• Sometimes Amex will show you a pop-up during the application saying you cannot get the welcome offer. If that happens, there is no way around it.

That last point about Chase 5/24 is really important. For people who want to get the most points and manage which cards they apply for, adding this card does not really cost you anything else. You get the 2x earning without using up a spot you might want for a Chase Sapphire or Ink card.

The Cash Back Alternative: Amex Blue Business Cash

If you do not care for transferable points and would prefer simple cash back, Amex offers a similar card to consider: the American Express Blue Business Cash Card. It is almost the same in how it works, with no annual fee, 2% cash back on the first $50,000 spent annually, then 1% after that. But it earns cash back instead of transferable points.

Its current welcome offer gives you $250 cash back after the same $3,000 minimum spend. Amex looks at it separately from the Blue Business Plus when deciding if you are eligible, so you could, in theory, have both cards.

To pick between them, ask yourself one question: Do you value Amex Membership Rewards points at more than one cent each? If yes, the Blue Business Plus is better. If you would rather skip figuring out how to use points and just take the cash, the Blue Business Cash is a really good card too.

Final thought

The Amex Blue Business Plus will never be the card that gets people excited when talking about travel points at dinner. Its welcome offer is modest, it looks simple, and it does not come with airport lounge access or a concierge line. But if you look past all that, what you get is truly impressive: the only no-annual-fee card on the market earning 2x full Membership Rewards points that you can transfer, on everyday spending.

For business owners who put a lot of money on their card each month, the value that grows over time from that 2x rate year after year, with no annual fee taking away from your rewards, is hard to beat. And for points collectors who want an easy way to keep their Amex points safe without paying for another annual fee, it is an easy card to keep in your wallet for good. Sometimes the quiet cards are the ones that do the most work.