Most “best invoice apps” lists are written with a D2C store in mind and mention B2B as an afterthought. If you sell wholesale, the criteria that matter are almost entirely different: PO numbers, net payment terms, tax exemption, and multi-currency support outrank things like fancy template design. Here is the comparison built specifically for that buyer.
What B2B Buyers Actually Need From an Invoice
B2B buyers need an invoice that shows a purchase order reference, agreed payment terms, and correct tax treatment for a business-to-business transaction, since their own accounts payable process depends on all three matching what was agreed. A retail-style invoice missing these fields often gets bounced back for correction, delaying payment.
PO Numbers and Net Payment Terms
A purchase order number ties your invoice back to the buyer’s internal approval system, and without it, larger buyers may simply refuse to process payment. Net terms (net 15, net 30, net 60) mean the invoice is a formal request for payment due on a future date rather than an immediate demand, which is standard practice in wholesale. Our guide on adding PO numbers to Shopify invoices covers the setup in detail.
Tax Exemption and VAT Validation
B2B buyers, particularly in the EU, are often tax-exempt on cross-border purchases when they provide a valid VAT number. An invoicing app that cannot capture and validate that number in real time forces you to handle exemptions manually, order by order. Markets outside the EU have their own version of this requirement too; our guide on Australia GST invoicing and ABN requirements covers one example.
Ranking Criteria for This List
Apps are ranked here specifically on B2B fitness: native support for net terms and PO numbers, multi-currency invoicing, proforma invoice and quote support, and whether wholesale pricing is reflected accurately on the final document.
Top Invoice Apps for B2B Shopify Stores
The apps worth shortlisting for a B2B-focused store are the ones that treat wholesale documentation as a first-class feature rather than a bolt-on to a retail invoicing tool.
Apps With Native Net Terms Support
Look for apps that can pull payment terms directly from Shopify B2B company location settings, rather than requiring you to manually note the terms in a text field on every invoice. InvoiceForge syncs payment terms and tax exemption status directly from the order.
Apps With Multi-Currency B2B Invoicing
International wholesale buyers expect an invoice in the currency they were charged, not your store’s base currency converted after the fact. Our multi-currency invoicing guide covers how presentment currency should flow through to the final document.
What Most B2B Invoice Apps Get Wrong
The most common failure mode is treating a wholesale order exactly like a retail one, which creates friction at exactly the point where a large buyer is deciding whether to keep ordering from you.
Treating Wholesale Like Retail
A retail-style invoice with no PO field, no net terms language, and consumer-facing tax treatment signals to a B2B buyer’s finance team that your operation is not set up for serious wholesale volume. This is often the quiet reason repeat wholesale orders stall out after the first one.
Building a B2B-Ready Invoicing Setup With InvoiceForge
InvoiceForge includes proforma invoices and quotes as standard document types, which matters specifically for the B2B sales cycle where a buyer often wants pricing confirmed in writing before committing to an order.
Proforma Invoices and Quotes for B2B
A proforma invoice lets you send a formal, non-binding cost estimate for customs, budgeting, or internal approval before the buyer places a final order, and InvoiceForge can convert a proforma directly into a final invoice once the order is confirmed. Our full explainer on what a proforma invoice is and when to use one covers the use cases in depth.
Accounting Export for Wholesale Reconciliation
Wholesale orders with net terms often close weeks after the order was placed, which makes clean accounting export more important than for instant-payment retail orders. InvoiceForge’s QuickBooks and Xero export keeps wholesale invoices reconciled against payments that land on their own schedule.
Choosing an invoice app for a B2B store means checking a different feature list than a typical D2C roundup covers. See how InvoiceForge handles wholesale invoicing before committing to an app built primarily for retail.