Statement of Account vs Invoice: When to Send Each

An invoice bills a customer for one specific transaction. A statement of account summarises everything between you and that customer over a period: every invoice, every payment, and the running balance still owed. The invoice asks for one amount. The statement shows the whole relationship and the total outstanding.

You send an invoice to charge for a job. You send a statement to remind a customer of where they stand across all their jobs, which is why statements are such a useful tool for chasing money that has drifted past due.

	Invoice	Statement of account
Scope	One transaction	All transactions over a period
Main purpose	Request payment for a job	Summarise activity and total owed
Creates a new charge?	Yes	No, it lists existing charges
Shows payments received?	No	Yes, alongside the invoices
Best used for	Billing work	Reminding and reconciling

What an invoice covers

An invoice is single-purpose: it bills for one piece of work or one delivery of goods. It lists the items, the prices, the total, and the due date, and it creates a new amount the customer owes. Each invoice stands alone with its own unique number.

That focus is the strength of an invoice and also its limit. It tells the customer what they owe for this job. It does not tell them what they owe you in total if they have three other unpaid invoices sitting in their inbox. For one transaction, that is fine. For an ongoing relationship, it leaves the bigger picture invisible.

If you are still settling how you bill individual jobs, how to create an invoice covers the document, and invoice payment terms covers the due dates that drive when each one is owed.

What a statement of account covers

A statement of account zooms out. Instead of one job, it shows everything that has happened between you and a customer over a chosen period, often a month. It lists each invoice you raised, each payment they made, and the balance carried forward. The customer sees their whole position with you on one page.

Crucially, a statement does not create a new charge. It is a summary of charges that already exist on invoices you have already sent. Nobody pays "the statement." They pay the underlying invoices. The statement simply gathers them so the total owed is impossible to miss.

You can produce one with the statement of account generator, which lists the invoices, the payments, and the closing balance for a customer over a period. For the document in more depth, see what is a statement of account and the practical walk-through in the statement of account guide.

When to send an invoice

Send an invoice the moment you have something to charge for: a finished job, a delivered milestone, a shipped order. Send it promptly, because your payment terms start from the invoice date, so every day you delay is a day added to when you get paid.

One invoice per chargeable event keeps your records clean. Resist the temptation to roll several jobs into one big invoice unless the client has asked for it, because separate invoices are easier to track, reference, and chase individually.

When to send a statement of account

Send a statement when a customer has multiple transactions and you want to show the full picture, or when invoices have gone unpaid and you want a firmer, consolidated reminder.

The most common rhythm is monthly. At month end, you send regular customers a statement listing the period's invoices, the payments received, and what is still outstanding. It doubles as a gentle reconciliation: if their records and yours disagree, the statement surfaces it before it becomes a dispute.

The second common use is collection. When one invoice or several have slipped past due, a statement is a calm, factual way to say "here is everything outstanding." It is harder to ignore than a single invoice reminder because it shows the accumulated total in one place. This makes it a natural step in chasing late payment, alongside the approach in how to chase an unpaid invoice.

Using the two together to get paid

The invoice and the statement form a one-two for keeping money flowing. The invoice does the billing. The statement does the following up and the reconciling.

A simple working routine looks like this. Invoice each job as it completes, with clear terms and a real due date. Then, once a month, send statements to any customer with open balances. The statement catches anything the individual invoices missed: a payment that never came, an invoice the client overlooked, a figure that does not match their books. Used this way, statements quietly reduce how often you have to chase, because customers see the running total before it grows.

When you need either document, both take minutes to build: the free invoice generator for billing a job and the statement of account generator for summarising the relationship. Both run in your browser, need no signup, and store nothing on a server.

The short version: invoice to charge, statement to summarise. Use invoices for the work and statements for the relationship, and the gap where late payments hide gets much smaller.

Common questions

Does a customer pay the statement of account?

No. A statement summarises charges that already exist on invoices you have sent, so the customer pays the underlying invoices, not the statement itself. Nobody settles "the statement." Its job is to gather everything outstanding in one place and show the running total, which makes it a calm but firm reminder when several invoices have gone unpaid. The invoices do the billing, the statement does the summarising.

How often should I send a statement of account?

A monthly rhythm suits most regular customers. At the end of each month, send a statement listing that period's invoices, the payments received, and the balance still outstanding. It doubles as a reconciliation: if the customer's records and yours disagree, the statement surfaces the gap early, before it hardens into a dispute. For customers with no open balance, there is little need to send one.

Does a statement replace the need for invoices?

No. The invoice is what bills each individual job and creates the charge the customer owes. The statement only summarises charges that have already been invoiced, so it cannot replace them. You still issue an invoice for every piece of work, then optionally use statements to pull the picture together and chase across the whole relationship. Skipping invoices and sending only statements would leave nothing for the statement to summarise.

What should a statement of account include?

A statement lists, for one customer over a period, each invoice you raised, each payment they made, and the balance carried forward, so the customer sees their whole position with you on a single page. It does not create a new charge, since every figure on it already exists on an invoice. Show the opening balance, the period's activity, and the closing balance owed. The clearer the running total, the more effective the statement is as a calm reminder of everything outstanding.

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Related articles

• What Is a Statement of Account?
• The Statement of Account Guide
• How to Chase an Unpaid Invoice Without Losing the Client