Is Salesforce Commerce Cloud's built-in B2B/B2C unification still a real advantage over Shopify Plus now that B2B is native on all Shopify plans?

First, disambiguate the product, because most comparisons do not

"Salesforce Commerce Cloud" names more than one thing. The unification claim in this question belongs to B2B Commerce and D2C Commerce, which run on the Salesforce core platform: "You can also use the B2B Commerce platform to create a direct-to-customer (D2C) channel and operate both a B2B and D2C channel from a single Salesforce org with shared data and processes," supported on "Developer, Unlimited, and Enterprise editions," built with Experience Builder and standard Lightning checkout and payment (per Salesforce developer docs, September 2026).

B2C Commerce, the product that came from Demandware, is documented separately. A comparison that credits the core platform's unification to B2C Commerce, or the reverse, is comparing two different products. That is the single most common error in this matchup.

What the unification concretely buys

Shared data model, one org, one customer record, and an access model that is genuinely expressive. Salesforce documents BuyerGroup as "A group of buyers with the same assigned entitlement policies, price books, and products," and CommerceEntitlementPolicy as "Simple entities that bring together buyer groups and products" with CanViewPrice and CanViewProduct fields (per Salesforce developer docs, September 2026). Salesforce's guidance names three strategies built from those primitives: buyer tiers, buyer-specific pricing via a price book per buyer, and product-based access with accounts joining multiple groups.

The published soft limits are large: 5 million buyer groups, 10 million buyer accounts, 10 million buyer accounts per buyer group, 1.5 million buyer users and buyer managers, 20 buyer groups per buyer account (100 supported), 30 with CommerceBuyGrp Apex extensibility, and a 200-account "Buy For" account switcher. Salesforce marks these as soft limits "that can be increased by contacting Salesforce customer support" (per Salesforce developer docs, September 2026).

What changed on the Shopify side

B2B is no longer a Plus-gated product. Shopify's own plan table shows companies, company locations, location-level permissions, quantity rules, quantity price breaks, net terms, payment reminders, ACH, vaulted credit cards, draft order to invoice, checkout to draft, easy reorders, PO numbers, sales staff permissions, the Trade theme, quick order list and Shopify Flow available on Basic, Grow, Advanced and Plus (per Shopify Help Center, September 2026).

Plus-only items are narrower than the old framing suggests: unlimited catalogs against 3, direct company catalogs, deposit requirements, partial payments and payment requests per fulfillment. Contextual checkout and contextual storefront start at Advanced.

So the claim "you need an enterprise platform to run B2B and B2C together" is now false at the plan level on Shopify. One store, one catalog, one admin, B2B pricing applied by company.

Where Salesforce still wins, honestly

• When the CRM is the system of record. Buyer groups and entitlement policies are Salesforce objects. If your sales org already lives in Salesforce, the commerce access model and the account model are the same model. That is not a feature Shopify can match with an integration.
• At the scale the limits describe. Millions of buyer accounts and thousands of entitlement combinations are documented, supported territory.
• When account hierarchy drives entitlement. Multiple buyer groups per account, with Apex extensibility to 30, expresses overlapping negotiated product sets that catalogs express awkwardly.

Where Shopify wins

• Cost is published. Salesforce publishes no commerce license figure; Deploi's enterprise-platform record notes the only published Salesforce figure is the Premier Success Plan at 30% of net license fees (verified September 2026).
• The storefront and checkout are the strongest parts of the product, not the parts you assemble.
• B2B costs nothing extra. Shopify states B2B carries "No additional fees," with "Variable platform fees" differing between B2B and D2C orders (per Shopify Help Center, September 2026).

When NOT to treat unification as the deciding factor

• When your B2B and B2C catalogs are genuinely different businesses. Unification of things that should stay separate is a cost, not a benefit.
• When "one customer record" means a data project. The single org is the easy half. Reconciling the records is the hard half, and it is the same project on either platform.
• When the Salesforce license is already sunk. A sunk license argues for using it, which is a legitimate reason, and a different reason from the one in this question.