Capital One Spark Cash Plus
High flat-rate cash back with no preset spending limit
Updated October 20, 2026 · By the MoneyAtlas Editorial Team
Category Ratings
Pros
Uncapped 2% Rewards: The Spark Cash Plus keeps earning 2% whether you spend $50k or $5 million
Fee Refund: If your business spends $150,000 annually (average $12,500/month), Capital One refunds the $150 annual fee, effectively making the card free to hold
No Foreign Transaction Fees: Perfect for businesses that import goods or pay for software services billed internationally
Cons
Pay-in-Full Design: It's built to be paid off every month, and any balance you carry over accrues interest
Why we rate it 4.1/5
The best flat-rate card for businesses spending $150,000+ a year and paying in full. Lighter spenders should pick Spark Cash or a no-fee 2% card.
A flat 2% on every purchase with no cap is as good as flat-rate business cash back gets, plus 5% on hotels, vacation rentals and rental cars booked through Capital One Business Travel. Category cards only win where your spend is concentrated.
The $150 fee is refunded every year you spend $150,000, so heavy spenders hold the card free. Below that threshold, no-fee 2% cards and the cheaper Spark Cash cover most of the same ground.
No preset spending limit, free employee and virtual cards, and no foreign transaction fees. Travel protections and statement credits are thin next to premium business cards.
No categories, caps or activation to track. The main friction is the design: it expects full payment each month, and any balance you carry costs interest.
The Capital One Spark Cash Plus is a heavy-hitting charge card designed for high-spending businesses that want to maximize cash back without worrying about caps or categories. With an unlimited 2% cash back rate on every purchase and a refund of the annual fee if you spend $150,000 a year, it is arguably the most lucrative flat-rate card for companies with significant inventory or overhead costs. It is built to be paid in full each month: you can carry part of the balance over, but that part accrues interest.
At a Glance
- Welcome Offer:
- Rewards Rate: Unlimited 2% Cash Back on every purchase; 5% Cash Back on hotels and rental cars booked through Capital One Travel
- Annual Fee: (Refundable via annual bonus)
- Annual Fee Refund: The $150 annual fee is refunded every year you spend $150,000 or more
- Card Type: Charge Card (No preset spending limit; designed to be paid in full monthly)
- Foreign Transaction Fee: None
- Employee Cards: Free
- Credit Score:
Overview
The Capital One Spark Cash Plus is the pay-in-full sibling of the Capital One Spark Cash, which Capital One still sells as a conventional credit card. Both earn the same flat 2%. The Plus swaps a preset credit limit for purchasing power that adjusts to your spending and payment history, which lets Capital One extend far more room to businesses with strong cash flow. It suits established companies that want a simple, high return on every dollar leaving the bank account.
Rewards & Benefits
- Unlimited 2% Cash Back: This is the gold standard for high spenders. If you spend $500,000 a year on inventory, marketing, and rent, this card hands you $10,000 back. No categories, no complications.
- Annual Fee Refund: This is the break-even mechanic. Spend $150,000 in net purchases by your account anniversary and Capital One credits back the $150 annual fee.
- 5% Travel Bonus: Booking hotels and rental cars through Capital One Travel earns 5% back, which is a nice boost for business trips.
- No Pre-Set Spending Limit: While not "unlimited" money, the limit adjusts based on your payment behavior and cash flow, often allowing for much larger transactions than traditional cards.
Fees & Requirements
- Annual Fee: .
- Foreign Transaction Fee: None.
- Late Payment Fee: 2.99% of the unpaid portion of your balance (since you are supposed to pay in full).
- Credit Score: Requires Excellent Credit.
- Personal Guarantee: You are personally liable for all charges.
Borrower Experience
- Virtual Cards: The ability to issue virtual card numbers for specific vendors helps prevent fraud and manage subscriptions.
- Expense Management: Detailed year-end summaries and easy integration with accounting software make tax time significantly easier.
Who It’s Best For
- High-Volume Spenders: If your business spends over $150,000 a year, this card is a no-brainer. You get the fee refunded and earn uncapped 2% cash back.
- Inventory Heavy Businesses: Retailers or Amazon sellers who need to buy massive amounts of stock upfront and pay it off at the end of the month will love the purchasing power.
- International Buyers: If you import materials from overseas, the 2% cash back combined with no foreign transaction fees saves you a massive 5% compared to using a bank debit card or a card with FTFs.
Who Should Skip It
- Small Spenders: If you spend less than $150,000 a year, you are better off with the Capital One Spark Cash Select (1.5% back, $0 fee) or Amex Blue Business Cash (2% back up to $50k, $0 fee). You won't trigger the fee refund on the Plus, so you're paying $150 for a marginal gain.
- Businesses Needing Financing: If you need to float expenses for 60-90 days, this card will punish you. Look at the Amex Plum Card or a card with a 0% Intro APR offer instead.
Compare
Spark Cash Plus vs. Spark Cash
Both cards pay the same flat 2%, so the choice comes down to structure and fee. The Capital One Spark Cash is a regular credit card with a set limit and a $0 intro annual fee for the first year, then $95. The Plus drops the preset limit, charges $150 and refunds it every year you put $150,000 on the card. Below that level of spend, the Spark Cash is usually cheaper to hold. Above it, the Plus costs nothing and gives you more room for big purchases like inventory runs. If you'd rather earn miles than cash, Spark Miles for Business is the travel-rewards sibling.
Bottom Line Verdict
The Capital One Spark Cash Plus is the ultimate card for "big spenders" who hate complexity. If your business has high monthly expenses and a healthy cash flow, the unlimited 2% rewards are unbeatable. It essentially amounts to a 2% discount on your entire business operations. Just make sure you can pay the bill in full every month.