Which card is better for groceries, BMO CashBack Mastercard for Business or CIBC Costco Mastercard?

The BMO CashBack Mastercard for Business earns 0.8% on groceries, while the CIBC Costco Mastercard earns 0.5%. The better choice depends on your grocery spending and the specific merchants you shop at.

BMO CashBack Mastercard for Business vs CIBC Costco Mastercard — Which Is Better? | Churnr

Header Quick Take Value Earn Rates Merchants Wallet Bonus FX Benefits Eligibility Perks Downgrade Verdict

BMO CashBack Mastercard for Business edges ahead by $153/yr

CIBC Costco Mastercard earns $74 more on dining & restaurants
BMO CashBack Mastercard for Business earns $48 more on bills & utilities

Dining & Restaurants: +$74Bills & Utilities: +$48Everything Else: +$45

BMO CashBack Mastercard for Business: $30/yr in foreign transaction fees

CIBC Costco Mastercard: $30/yr in foreign transaction fees

Showing Year 1 analysis

Dollar Value

Winner

$379

/first year

0.9% effective$32/mo

vs 1% no-fee card: −$40

Annual rewards earned+$409

FX costs−$30

Annual fee−$0

$226

/first year

0.5% effective$19/mo

vs 1% no-fee card: −$193

Annual rewards earned+$256

FX costs−$30

Annual fee−$0

Best for your spendingBMO CashBack Mastercard for Business—$379Year 1 value

+$153 more than CIBC Costco Mastercard

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Earn Rates by Category

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The Bottom Line

BMO CashBack Mastercard for Business edges ahead by $153/yr

CIBC Costco Mastercard earns $74 more on dining & restaurants
BMO CashBack Mastercard for Business earns $48 more on bills & utilities

Dining & Restaurants: +$74Bills & Utilities: +$48Everything Else: +$45

Showing Year 1 analysis

BMO CashBack Mastercard for Business wins in both Year 1 and Year 2+ — consistent long-term value.

Data Sources

Issuer terms & conditions (verified Feb 2026)

Merchant MCC verification (239 merchants)

Insurance certificates (PDF review)

Reward program documentation

User-reported acceptance data

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