B2B Payment Terms on Shopify: Net 30, Purchase Orders Explained
If you've ever landed a corporate account and immediately hit a wall when they ask for a purchase order and Net 30 terms, you're not alone. Most Shopify stores are built around instant checkout — card
If you've ever landed a corporate account and immediately hit a wall when they ask for a purchase order and Net 30 terms, you're not alone. Most Shopify stores are built around instant checkout — card on file, pay now, done. That works beautifully for consumers, but the moment a procurement team at a large organisation enters the picture, the rules of the game change entirely. Suddenly your checkout flow becomes a friction point instead of a selling tool.
The challenge is that Shopify's default setup doesn't natively accommodate the way businesses actually buy. Companies like facilities managers, marketing agencies, and tech teams rarely have a company credit card ready at checkout. They work through approval chains, budget codes, and accounting systems that require paper trails. If your store can't produce a quote, accept a purchase order, or offer deferred payment terms, you risk losing the sale entirely — often to a supplier who simply has better paperwork.
In this post, you'll learn exactly what B2B payment terms mean in practice, how Net 30 and purchase orders work, why Shopify merchants need to adapt their stores to handle them, and what practical steps you can take to win and retain corporate clients. Whether you sell office supplies, branded merchandise, food products, or digital goods, these fundamentals apply to any merchant looking to grow their wholesale or B2B revenue.
What Are B2B Payment Terms and Why Do They Matter?
B2B payment terms are contractual agreements between a seller and a business buyer that define when and how payment is due after goods or services are delivered. Unlike consumer retail where payment happens at the point of purchase, B2B transactions often separate the moment of ordering from the moment of payment by days, weeks, or even months. The most common example is Net 30, which means the buyer has 30 days from the invoice date to pay in full. You'll also encounter Net 15, Net 60, and even Net 90 for larger enterprise contracts.
These terms exist because business purchasing is fundamentally different from consumer purchasing. A marketing manager at a 500-person company can't just put £8,000 of branded merchandise on a personal card and claim it back later. The purchase needs to go through procurement, get a purchase order number, be matched against a budget code, and eventually reconcile with the finance team's accounts payable system. This process takes time, and suppliers who refuse to accommodate it are simply excluded from consideration before the conversation even starts.
For Shopify merchants, this matters because B2B contracts are typically much larger in value and much more repeatable than individual consumer sales. Landing one corporate account that reorders quarterly at £5,000 per order can be worth more than hundreds of individual transactions. Understanding and accommodating payment terms isn't just an admin task — it's a meaningful growth lever that unlocks an entirely different tier of customer.
How Purchase Orders Work in Practice
A purchase order (PO) is a legally binding document that a buyer sends to a seller to confirm their intent to purchase specific goods or services at agreed prices. It includes a unique PO number, a line-item breakdown of what's being ordered, quantities, agreed unit prices, delivery address, and the payment terms that apply. When you receive a PO, you're essentially receiving a formal commitment from that business to pay — provided you fulfil the order as described.
The practical flow looks like this: a buyer raises a PO internally, gets it approved by their finance or procurement team, and sends it to you. You review it, confirm the details match your quote, fulfil the order, and issue an invoice that references the PO number. The buyer's accounts payable team then matches your invoice to the PO and processes payment within the agreed timeframe. If your invoice doesn't reference the correct PO number, many large organisations will simply hold payment until the paperwork is corrected.
For merchants new to B2B, the first PO can feel bureaucratic and slow — but it's actually a sign of a healthy, serious customer. Businesses that raise POs have internal controls, which means they're also less likely to dispute invoices, request unusual refunds, or disappear without paying. Once you've set up the workflow on your side — which typically means having a way to generate quotes, issue invoices, and track open balances — the process becomes quick and predictable.
Net 30, Net 60, and Early Payment Discounts Explained
Net 30 is the most widely used B2B payment term globally, but it's worth understanding the full spectrum. Net 15 is common for smaller transactions or newer relationships where the seller wants faster cash flow. Net 60 is frequently requested by larger organisations with slower internal payment cycles. Net 90 tends to appear in enterprise and government procurement, and while it's legitimate, it can significantly impact your working capital if you're not prepared for it.
One technique that experienced merchants use to accelerate payment is offering early payment discounts. A common structure is written as "2/10 Net 30", which means the buyer can take a 2% discount if they pay within 10 days, or pay the full amount within 30 days. For a £10,000 order, that's a £200 incentive for the buyer to pay three weeks early. Depending on your margins and cash flow situation, this trade-off can be well worth it — particularly when you're managing multiple open invoices simultaneously.
When deciding which terms to offer, consider your own cash flow cycle, your supplier payment obligations, and the size and reliability of the customer. A first-time B2B customer with no trading history might receive Net 15 or even pro-forma invoice terms (payment before dispatch) until trust is established. A long-standing account with a perfect payment record might reasonably negotiate Net 60. Building flexibility into your terms policy, rather than applying a single rule to every customer, is the mark of a commercially mature B2B operation.
The Shopify Problem: Why Default Checkout Doesn't Work for B2B
Shopify's standard checkout is optimised for one thing: converting a consumer to a paid transaction as quickly as possible. That's genuinely excellent for direct-to-consumer brands, but it creates real friction for B2B buyers. There's no native way for a buyer to submit a PO number at checkout, request deferred payment terms, or receive a formal quote before committing. For procurement teams, these aren't optional niceties — they're mandatory steps in their purchasing workflow.
The gap becomes obvious the moment you try to close a corporate account. A buyer might email asking for a quote on 200 units of your product for their office. You copy figures from your Shopify admin into a Word document, email it across, wait for approval, receive a PO, manually create an invoice, and then try to track whether it's been paid — all outside your Shopify store. Every step in that process is an opportunity for errors, delays, and lost revenue. It also means your B2B sales data lives in email threads rather than your store's analytics.
The good news is that this problem is entirely solvable. Apps designed specifically for Shopify B2B workflows — like QuoteFlow — let you generate professional quotes directly from your product catalogue, convert approved quotes into orders with a single click, attach PO numbers to transactions, and set custom payment terms per customer. This brings your entire B2B workflow inside Shopify, where it belongs, and gives your corporate buyers the professional experience they expect.
Setting Up Payment Terms for Different Customer Tiers
Not every B2B customer is the same, and your payment terms policy should reflect that. A useful starting framework is to segment your B2B customers into tiers based on order volume, relationship history, and organisational type. Tier one might be your highest-value accounts — well-established businesses with consistent order history — who receive Net 30 or Net 60 with no deposit required. Tier two could be growing accounts who have placed two or three orders successfully, offered Net 15 or Net 30. New accounts or those with no credit history start with payment upfront or a 50% deposit.
Documenting your terms policy in writing is essential, both for internal consistency and for legal protection. Your terms should be included in every quote you send, every order confirmation, and every invoice. They should specify when the payment clock starts (typically from invoice date), what happens in the case of late payment (a late payment fee, for example 2% per month, is standard and legally enforceable in the UK), and any discount structures available. A short, clear terms document builds credibility with procurement teams who are used to reviewing supplier contracts.
Revisiting your terms annually — or when a customer's order volume changes significantly — is also good practice. A customer who started on Net 15 and has paid on time for two years without issue deserves to be upgraded to Net 30. Rewarding reliable payers with better terms encourages loyalty, increases order frequency, and positions you as a professional B2B partner rather than just another supplier.
Invoicing, Credit Limits, and Managing Overdue Accounts
Once you've agreed on payment terms, the next challenge is managing the operational side: issuing accurate invoices promptly, tracking which accounts are current or overdue, and responding professionally when payments are late. Invoice accuracy is more important in B2B than many merchants realise — a single incorrect line item can trigger a dispute that delays payment by weeks while the buyer raises an internal query. Always double-check that your invoice matches the PO exactly before sending.
Setting a credit limit for each B2B customer protects your cash flow and limits your exposure to any single account. A simple approach is to cap credit at roughly two to three times a typical order value until the relationship matures. For example, if a customer typically orders £2,000 at a time, a credit limit of £5,000 means they can have two invoices open simultaneously before you require payment before shipping again. Communicating credit limits clearly and consistently avoids awkward conversations later.
When invoices do go overdue, respond quickly and professionally. Send a polite reminder on the day payment is due, a firmer follow-up at seven days past due, and a formal notice at 14 days. Most overdue payments in B2B are administrative oversights — wrong email address, invoice stuck in spam, or a payment batch that ran late — rather than deliberate non-payment. Keeping your tone professional and your records accurate means you can resolve most issues without damaging the relationship.
Conclusion
B2B payment terms aren't just administrative detail — they're the foundation of how professional business relationships operate. Understanding Net 30, purchase orders, credit limits, and invoicing workflows puts you in a position to win and retain the kind of high-value, repeat corporate accounts that can transform your Shopify store's revenue trajectory. The merchants who grow into supplying large organisations aren't necessarily the ones with the best products — they're often the ones who simply made it easiest to buy.
The key takeaways are straightforward: align your payment terms to customer tier and relationship maturity, document everything in writing, issue accurate invoices promptly, and bring your entire B2B workflow inside Shopify rather than managing it across disconnected tools. Start by auditing your current process and identifying the biggest friction points for your B2B buyers.
Try QuoteFlow free at saltai.app — no credit card required.
SaltAI Team
SaltAI builds focused Shopify apps for food merchants and general merchants. Every app is tested in production at a real food store — including Vanda's Kitchen — before it ships.