The short answer: An outsourced month-end close splits the work three ways. The client supplies inputs and decisions, the outsourced accountant prepares the books, and a controller reviews before anything is released. A healthy outsourced month-end close ships in 5 to 7 business days, and the slowest link is usually the client’s open-items reply time.
- The client keeps legal responsibility for the books and taxes even when every entry is prepared outside the company.
- Client inputs are due by business day 2: payroll registers, new contracts, approvals, and receipts the bank feed cannot explain.
- In the worked example below, 3 slow answers out of 18 open items carry 46.2% of the unexplained dollars and push delivery back 3 business days.
- Nothing reaches the owner until a second person has reviewed it, and the period locks after sign-off.
Last updated October 2026.
Handing the close to an outside team changes who types the entries. It does not change who answers for the numbers. Owners who miss that distinction tend to wait for statements that are actually waiting on them.
The sections below map the ownership split, the inputs a client still owes, the handoff points across a real September 2026 calendar, and the review loop that runs before the package is released. A worked example shows how open-item response time moves the delivery date.
Who owns the month-end close when accounting is outsourced?
The client owns the result, and the outsourced team owns the preparation and review. Responsibility for the books, and for the taxes they support, stays with the company.
Federal guidance is explicit on the tax side. The IRS page on outsourcing payroll duties states that “the employer is ultimately responsible for the deposit and payment of federal tax liabilities.” The same logic governs the close. A firm can prepare every journal entry, yet the owner still approves the statements and answers to lenders, investors, and tax authorities.
Records follow the same rule. IRS guidance on how long to keep records sets a general 3-year period for income tax support and at least 4 years for employment tax records. A sound engagement keeps the ledger, documents, and close workpapers in systems the client controls.
What does the client still provide each month?
The client provides the facts the bank feed cannot see, and those inputs are due by business day 2. Late inputs are the most common reason an outsourced close slips.
- Payroll register and any off-cycle bonus or commission approvals for the month.
- New or changed contracts, including customer terms that affect revenue timing and vendor agreements with prepaid or annual billing.
- Unrecorded bills for work already received, so expenses land in the month they were incurred.
- Receipts and explanations for card charges and transfers the team flags as unclear.
- Decisions on write-offs, capitalization, and intercompany charges, which only management can make.
Everything else, from bank reconciliation to accruals and schedules, belongs to the outsourced team.
What does an outsourced month-end close timeline look like?
For a September 2026 close, the work starts Thursday, October 1, and the reviewed package ships by Thursday, October 8, which is business day 6. Each day ends with a handoff to a named owner.
| Business day | Date | Who holds the work | Handoff at end of day |
|---|---|---|---|
| 1 | Thu, Oct 1 | Outsourced accountant | Bank and card feeds reconciled; open-items list started |
| 2 | Fri, Oct 2 | Client | Payroll register, contracts, receipts, and approvals delivered |
| 3 | Mon, Oct 5 | Outsourced accountant | Accruals, prepaids, deferred revenue, and payroll entries posted |
| 4 | Tue, Oct 6 | Controller reviewer | Review notes returned; client questions consolidated |
| 5 | Wed, Oct 7 | Client and accountant | Final answers received; review notes cleared |
| 6 | Thu, Oct 8 | Controller reviewer | Statements and variance notes released; period locked |
Teams that reconcile weekly during the month compress days 1 and 3 sharply. That practice sits at the center of the Continuous Close Method™. For the internal mechanics of each day, see the five-day close calendar.
How are open items handed between the client and the team?
Through one shared open-items log, answered within one business day. Scattered email threads are where outsourced closes stall.
Each log entry carries the date, amount, account, a specific question, and the owner. The accountant posts the question once, the client answers in the same row, and the reviewer closes it. A good log separates blocking items, which stop sign-off, from cleanup items, which can carry to next month with a note.
Worked example. A $11M professional services company runs about 640 transactions a month. On October 2, the log holds 18 items totaling $47,300 of unexplained activity. The client answers 15 items within one business day; those total $25,450. Three items, worth $21,850, wait three business days.
The arithmetic is lopsided. The late items are 3 ÷ 18 = 16.7% of the count, yet $21,850 ÷ $47,300 = 46.2% of the dollars. They are too large to leave in suspense, so sign-off moves from business day 6 to business day 9, and delivery slips from Thursday, October 8 into the following week.
How does review and sign-off work before the client sees anything?
Every package passes a second person before release. The preparer never approves their own work, and the period locks only after the client has the final version.
The loop has three layers. The accountant prepares and ties each balance sheet account to a reconciliation or schedule. The controller reviews flux against the prior month and budget, then writes notes the preparer must clear. The owner receives the statements with plain-language variance notes and confirms nothing is missing. At Debit & Co., Aaron Ressel holds that controller review standard on close engagements.
After sign-off, the period is locked in the ledger, whether QuickBooks Online or NetSuite, so posting requires an override. Any later change becomes a dated adjusting entry in the open month, so a board packet never silently changes after it is sent.
How fast should an outsourced close be, and what is a red flag?
Five to seven business days is a sound target for a single-entity company. Ventana Research found 58% of organizations closing the month within six business days in 2023, and our close benchmarks by company size show how the range widens with entities and volume.
Speed alone proves little. The warning signs are structural:
- Statements arrive after business day 15 for three months running.
- No reviewer is named, or the preparer and reviewer are the same person.
- Prior months reopen without a dated adjusting entry.
- Suspense or uncategorized balances grow month over month.
- The client cannot see the open-items log or the reconciliations.
Two or more of these signs usually point to a process problem that more hours will not fix. The guide to fixing a broken month-end close covers that repair, and the outsourced controller service describes the review layer in practice.
Frequently asked questions
Who owns the month-end close when accounting is outsourced?
The company owns the result and the outsourced team owns preparation and review. IRS guidance states that an employer remains ultimately responsible for federal tax deposits even when a third party handles them, and the same principle applies to the books the owner approves.
What does the client still have to provide each month?
By business day 2, the client provides the payroll register, new or changed contracts, unrecorded bills, receipts for flagged charges, and management decisions such as write-offs. These are facts a bank feed cannot capture, and late inputs are the most common reason an outsourced close slips.
How long should an outsourced month-end close take?
Five to seven business days is a sound target for a single-entity company, and 58% of organizations in Ventana Research’s 2023 study closed within six. For a September 2026 close, that means a reviewed package by Thursday, October 8, provided client answers arrive within one business day.
How do you keep control when the close is outsourced?
Keep the ledger and documents in systems the company controls, require a named reviewer separate from the preparer, and work from a shared open-items log you can see. Lock each period after sign-off so later changes appear as dated adjusting entries.
