TL;DR. Two $95 business cards. Capital One Venture Business earns flat 2x on everything plus 5x on Capital One Travel hotels and cars. Ink Preferred earns 3x on travel, shipping, internet/phone, advertising. Venture Business wins for businesses with broad non-category spend. Ink Preferred wins for businesses concentrated in its four bonus categories.
The three dimensions that actually decide it. First, simplicity. Venture Business is flat 2x; you do not have to think. Ink Preferred has bonus categories with a combined $150k cap. Second, transfer partners. Both have strong transfer programs but Chase has Hyatt and United while Capital One has Flying Blue, Singapore KrisFlyer, and Aeroplan. No overlap. Third, welcome bonus structure. Capital One's Venture Business 2026 refresh has a tiered up-to-150k bonus; Ink Preferred has a flat 100k on $8k in three months.
Real customer scenario for each. If your business spends $10k a month broadly with no concentration in shipping, ads, or travel, Venture Business's flat 2x earns 240,000 miles a year, roughly $4,800 in transferable value. If instead you spend $5k a month on Facebook ads, Ink Preferred's 3x earns 180,000 points on ads alone, beating Venture Business on category alignment.
The trap to avoid. Choosing Capital One Venture Business for "more transfer partners" without verifying which programs match your travel goals. More partners is not better if none of them book the awards you actually want.