The Blue Business Plus Credit Card from American Express offers 2x points on the first $50,000 in annual purchases (then 1x thereafter), a $150 signup bonus, zero annual fee, and a 12-month 0% intro APR on purchases. The card targets small business owners who can hit the spending cap, though the foreign transaction fee and variable APR range limit its utility for international operators.
Overview
American Express markets the Blue Business Plus as a no-annual-fee business card designed for companies with modest spending volume. The card delivers a straightforward value proposition: accelerated rewards on the first $50,000 in purchases annually, then baseline points on everything after that threshold. For a small business charging $100,000 per year, the structure creates a meaningful tier that front-loads rewards during the early months.
The 15,000-point signup bonus converts to $150 in statement credit or transfers to airline and hotel partners at variable redemption rates. Amex values Membership Rewards points at approximately 1 cent each for cash redemption, though strategic transfers to premium partners like Marriott or AirBnB can yield 1.5 to 2 cents per point. The card approves applicants with credit scores as low as 670, making it accessible relative to premium Amex business cards.
Rewards Breakdown
The card's earn structure hinges on the $50,000 annual spending cap. A business spending $50,000 yearly earns 100,000 points (2x on all purchases), worth $1,000 in cash or potentially $1,500 to $2,000 through transfer partners. Spending beyond $50,000 defaults to 1x point per dollar, making incremental value weaker. A business that charges $100,000 annually earns 150,000 total points: 100,000 from the first $50,000 (2x) and 50,000 from the remaining $50,000 (1x), equating to $1,500 in baseline redemption.
The signup bonus provides an immediate 15,000 points. Combined with first-year spending, a new cardholder can accumulate 115,000 to 165,000 points depending on annual volume, translating to $1,150 to $1,650 in value. This math favors businesses in the $30,000 to $80,000 annual spending range; above that ceiling, the per-dollar value deteriorates since marginal spend earns at the 1x baseline rate.
Transfer partners include 20+ airline and hotel programs. Amex typically values transfers at fixed rates. For instance, 1,000 Membership Rewards points convert to 1,000 Marriott Bonvoy points, but redemption value varies. A Marriott Bonvoy point can be worth 0.8 to 1.2 cents depending on property category and booking conditions. Deliberate transfer timing and partner selection can extract 1.25 to 1.75 cents per point, significantly above the 1-cent cash redemption floor.
Fee Analysis
The zero annual fee removes friction for acquisition and retention. Most competitor small business cards charge between $95 and $250 annually. The Blue Business Plus eliminates this cost entirely, making it defensible even at modest spending levels.
A 3% foreign transaction fee applies to all non-USD purchases, which disadvantages businesses with international vendor payments or cross-border operations. A $10,000 purchase abroad costs $300 in fees. This fee structure disqualifies the card for companies with significant international spending; competitors like the Chase Ink Business Preferred charge 0% foreign transaction fees.
The APR range of 18.49% to 26.49% is standard for unsecured business credit, though it lacks an introductory period for balance transfers. The 12-month 0% intro APR applies only to purchases, not transferred balances. For businesses planning to carry short-term debt, this limitation reduces utility compared to cards offering both purchase and balance transfer promotional periods.
Approval Odds
The 670 minimum credit score signals accessible underwriting. Amex typically approves small business owners with solid personal credit (680 or higher) and minimal recent delinquencies. The application process requires a Social Security Number and business tax identification number. Sole proprietors and LLCs both qualify.
Amex does not pre-screen approval odds publicly, unlike Chase and Discover. First-time Amex business cardholders occasionally face denials or lower credit limits despite strong credit profiles; Amex reviews business structure and longevity internally. Applicants can call the business lending line after rejection to understand reasoning and reapply after addressing gaps.
How to Maximize Value
The primary value driver is hitting the $50,000 annual spending ceiling. Businesses below $30,000 in annual spend should compare this card against 1% flat-rate alternatives like the Chase Ink Business Unlimited. Businesses between $30,000 and $80,000 should route all spending through the Blue Business Plus to capture the 2x tier.
Timing signup bonus redemption matters. New cardholders should accumulate points for three to six months before transferring to airline or hotel programs, allowing observation of transfer rates and seasonal devaluations. Amex partners occasionally offer accelerated transfer bonuses (e.g., 25% bonus when transferring 50,000+ points to Marriott), which boost effective value from 1.5 cents to 1.75 cents per point.
For businesses with international spending, the 3% foreign transaction fee erodes rewards value significantly. A business charging $20,000 abroad loses $600 to fees, offsetting roughly 12 months of marginal rewards gains. These operators should prioritize cards with 0% foreign fees.
Use the card exclusively for business expenses to simplify accounting and tax documentation. Mixing personal and business charges complicates reconciliation and may trigger IRS scrutiny. Amex does not separate purchase categories, so strategic routing by spend type is not possible; the card applies 2x across all merchant codes during the $50,000 phase.
Who Should Skip It
Businesses spending over $100,000 annually benefit more from cards with higher baseline earn rates or higher spending caps. The Ink Business Preferred offers 3x on select categories (internet and phone services, shipping, and advertising). The BluBusiness Plus only accelerates to 2x on all purchases for the first $50,000, making it less efficient for high-spend operators.
International businesses with significant cross-border payments should avoid the 3% foreign transaction fee. The Capital One Spark Business card offers 0% foreign fees and broader earning across categories.
Businesses requiring frequent balance transfers should choose a card offering promotional APR on both purchases and transfers. The Ink Business Preferred includes a 0% intro APR on both for 12 months, providing more flexibility for working capital financing.
Companies that redeem points exclusively for cash should compare the effective per-dollar value against flat-rate cash-back cards. The Ink Business Unlimited offers 1.5% cash back on all purchases with no caps or tiers, generating $1,500 on $100,000 in spending versus the Blue Business Plus's lower incremental value above $50,000.
The Bottom Line
The Blue Business Plus delivers genuine value for small businesses within a specific spending band. The $50,000 earning tier combined with zero annual fee creates compelling economics for companies charging $30,000 to $80,000 yearly. The 12-month 0% intro APR on purchases provides breathing room for working capital planning, and Amex's 20+ transfer partners offer exit paths for rewards conversion.
However, the card's utility narrows for international operators (due to foreign fees), high-spend businesses (where marginal value degrades), and balance-transfer-dependent companies. The earning structure also lacks category bonuses, making it less nimble than competitors for businesses with specialized spending patterns.
The card merits serious consideration for straightforward small business operators within the target spending range who prioritize simplicity, and who have no international payment obligations.