Amazon Business Reshape 2026: B2B features open to 3P sellers

What happened

EcommerceBytes reported on July 19, 2026 that Amazon will hold its 5th annual Amazon Business Reshape conference in Nashville this October, and confirmed a broader push to lean on third-party sellers to convert its Business buyer base (EcommerceBytes, July 19, 2026).

The expansion opens quantity-tier pricing, business-only price offers, purchase-order acceptance, and quote workflows to more third-party sellers. Amazon Business is running above a $35 billion annualized GMV base, growing faster than the consumer marketplace, and B2B customers convert at higher AOV and lower return rates on the same catalog. The subtext of the announcement: Amazon wants third-party sellers, not just its retail arm, carrying the incremental B2B revenue.

Why it matters

A single Amazon Business buyer routinely spends more per order than a B2C shopper on the same SKU, and their annual repeat rate is higher. Sellers who leave quantity-tier pricing off are competing for the same B2B eyeballs with the same B2C offer, and losing on price without knowing it. Opening the B2B feature set does not create incremental orders on its own, but it removes the ceiling on the ones already showing up.

The B2B push also stacks on the September 30, 2026 requirement that FBM sellers hit a 90% Business Hour Delivery Rate on Amazon Business orders (see our FBM 90% delivery-rate breakdown). Sellers turning on B2B features without a fulfillment plan will trip the new performance gate before Q4.

What to change in the next 2 weeks

1. Pull B2C vs. B2B split by SKU. Any SKU with more than 10% of units going to Business buyers is a candidate for quantity-tier pricing.
2. Turn on quantity discounts on 5 to 10 SKUs first. Model the margin at each tier before you enable, not after. A defensive discount that halves margin is worse than no discount.
3. Split fulfillment queues. If you are FBM on B2B orders, isolate the Business Hour Delivery Rate cohort and reprice or move to FBA the SKUs that cannot hold 90%.
4. Track B2C vs. B2B contribution margin separately in Nova P&L. The two channels carry different fee mixes and repricing dynamics, and a rolled-up view will hide which channel is actually paying rent.

How Nova helps

• Live P&L - see contribution margin by SKU with 40+ Amazon fee types accounted for, so a new B2B quantity tier is judged on actual net, not on retail price.
• Custom Breakdowns - group units by B2B vs. B2C, watch each channel's contribution shift as you toggle Business features, and catch a silent cannibalization before it eats a full month.