Sub-Ledger
A sub-ledger (or subsidiary ledger) is a detailed record that breaks down the transactions within a single general ledger account. Instead of showing one lump sum for "accounts receivable," the sub-ledger lists every customer who owes you money and how much each one owes. Common sub-ledgers include
Sub-Ledger Definition
A sub-ledger (or subsidiary ledger) is a detailed record that breaks down the transactions within a single general ledger account. Instead of showing one lump sum for "accounts receivable," the sub-ledger lists every customer who owes you money and how much each one owes. Common sub-ledgers include accounts receivable (by customer), accounts payable (by vendor), and fixed assets (by asset).
Sub-Ledger in Practice — Example
A marketing agency's general ledger shows $42,000 in total accounts receivable. The accounts receivable sub-ledger breaks this down: Client A owes $15,000, Client B owes $12,000, Client C owes $8,000, and Client D owes $7,000. The sub-ledger total ($42,000) matches the general ledger. If they don't match, there's an error to investigate. The sub-ledger gives the detail; the general ledger gives the summary.
Why Sub-Ledger Matters for Your Books
Sub-ledgers provide the granularity you need to manage your business. Knowing you have $42,000 in receivables is useful. Knowing Client A owes $15,000 and is 45 days past due is actionable. Sub-ledgers turn summary numbers into operational intelligence.
They also serve as a built-in error-detection system. The sub-ledger total must match its controlling account in the general ledger. If they don't agree, something was recorded incorrectly. This "control account" relationship is a fundamental accounting safeguard.
For auditors and tax preparers, sub-ledgers provide the transaction-level detail they need to verify your financial statements. A clean sub-ledger means faster audits, smoother tax prep, and greater confidence in your numbers.
How Sub-Ledger Shows Up in QuickBooks
In QuickBooks Online, sub-ledgers are built into the system automatically. The A/R sub-ledger is your customer transaction list (Sales → Customers — click any customer to see their balance and history). The A/P sub-ledger is your vendor transaction list (Expenses → Vendors). Fixed asset sub-ledgers require manual tracking or a fixed asset register. Run the A/R Aging Detail or A/P Aging Detail reports for sub-ledger views that show every open transaction by customer or vendor.
Common Mistakes
FAQ
Q: Does QuickBooks automatically maintain sub-ledgers? A: Yes, for accounts receivable and accounts payable. When you create invoices (by customer) and bills (by vendor), QBO automatically maintains the sub-ledger detail. You don't need to set anything up separately.
Q: What's the difference between a sub-ledger and the general ledger? A: The general ledger contains summary accounts (total A/R, total A/P, etc.). Sub-ledgers contain the individual transactions that make up those totals (each customer balance, each vendor balance). The sub-ledger feeds into the general ledger.
Related Terms
> Need help making sense of your books? Ketchup cleans up your QuickBooks in 3–7 business days. Get your price →
Related Terms
Float is the time gap between when a payment is initiated and when the funds actually settle in the recipient's account. During this window, the money exists in limbo—it's left the sender's account (or is pending) but hasn't arrived at its destination. Float can work for or against you depending on
Labor cost is the total expense of employee compensation, including wages, salaries, overtime, payroll taxes, benefits, and worker's compensation. For product-based businesses, labor cost can be classified as either direct (employees who work directly on creating products) or indirect (supervisors,
In bookkeeping, a credit is an entry on the right side of a journal entry or T-account that increases certain types of accounts and decreases others. Credits increase liabilities, equity, and revenue accounts. They decrease asset and expense accounts. Every transaction requires at least one credit a
A credit memo (credit memorandum) is a document that reduces the amount a customer owes you — essentially a "negative invoice." It's used for returns, refunds, pricing adjustments, or error corrections. When applied to an existing invoice, it reduces the balance due. When issued independently, it cr
Need these terms applied to your books?
Accounting Ketchup catches up your QuickBooks so the glossary becomes your reality. Flat rate.