Year-End Close Checklist: A 30-Day Plan for Small Businesses and Operations Teams

A month-end close is a habit. A year-end close is an event. The same reconciliations and accruals are involved, but the stakes are higher: the numbers feed tax filings, lender reports, budgets and decisions for the next twelve months. Mistakes found in February are harder to fix than mistakes found in January, and mistakes found by an auditor or tax authority are harder still.

Most year-end pain comes from the same source: nobody wrote down who does what, so everything bunches up in the first week of January. This guide fixes that. It gives you a 30-day timeline, a step-by-step method, a copy-ready checklist with owners and evidence, and a list of common mistakes.

If you already run a monthly close, start from your month-end close checklist and add the year-end items below. If you do not have one yet, this guide works as a first version.

A note on scope: this is an operating guide, not tax, legal or accounting advice. Rules differ by country, entity type and year, so confirm the specifics with your accountant.

What changes at year-end

Area	Month-end	Year-end
Cutoff	Last day of the month	Last day of the fiscal year, applied to every account and every supplier
Reconciliations	Main bank and card accounts	Every account, including payment processors, loans and clearing accounts
Accruals	Recurring ones	Recurring plus one-offs, with documented estimates
Inventory and assets	Spot checks	Full count and a review of fixed assets and disposals
Receivables	Aging review	Decide what to write off or reserve
People and contractors	Payroll posted	Payroll tied to annual reports and contractor payments gathered for reporting
Records	Month folder	Full-year archive with retention rules
Review	Variance to budget	Variance to last year, plus a lessons-learned review

The 30-day timeline

Think of the close as three phases. The dates assume a calendar year-end of December 31. Shift them if your fiscal year differs.

Phase 1: Prepare (December 1 to December 31).

• Confirm the owner and a backup for every close step.
• Tell suppliers and customers your cutoff date and ask suppliers to send final invoices early.
• Collect missing tax information from contractors and vendors.
• Schedule the inventory count and the fixed asset review.
• Clear old reconciling items from earlier months so year-end starts clean.

Phase 2: Close (January 1 to about January 15).

• Freeze the cutoff and post cutoff entries.
• Reconcile accounts, record accruals and adjusting entries, and review receivables.
• Tie payroll and contractor payments to your reports.
• Produce draft statements and review them.

Phase 3: Finish (January 15 to January 31).

• File or furnish required forms by their deadlines.
• Lock the period and archive records.
• Hold a short review: what slowed us down, and what do we change in the SOP?

Many teams add a buffer for questions from the accountant or tax preparer. If a deadline falls in January, plan to have the underlying numbers settled well before it.

Step 1: Freeze the cutoff and assign owners

Everything else depends on a clear cutoff. A transaction belongs to the year in which the service was delivered or the goods were received, not the day the invoice happened to arrive or the payment happened to clear. Write that rule down.

Then name an owner for every step and a person who reviews it. If you are not sure who should own what, a short RACI matrix takes ten minutes and prevents most hand-off confusion.

Step 2: Gather records and reconcile every account

Start by collecting statements and support for the whole year: bank and credit card statements, payment processor reports, payroll reports, loan statements, invoices and receipts. Then reconcile.

• Bank and card accounts. Match every transaction in your books to the statement. Add missing items and remove duplicates. Investigate anything that has sat unresolved for a long time.
• Payment processors and wallets. Reconcile gross sales, fees and payouts separately, because fees and refunds are often recorded late.
• Loans and other balances. Agree the balance in your books to the lender or counterparty statement.
• Clearing accounts. Anything left in a suspense or clearing account at year-end needs an explanation and a final home.

Evidence for each account is the signed-off reconciliation, with the statement attached. Keep a note of each reconciling item and why it exists.

Step 3: Review accounts receivable

Open invoices at year-end need a decision, not just a list.

1. Run an aging report as of the cutoff date.
2. Contact customers with overdue invoices and record the outcome.
3. Decide, with your accountant where needed, how to treat balances that are unlikely to be collected: reserve, write off or keep chasing.
4. Check that revenue is recorded in the right year, especially for services delivered near the cutoff.

Write down the reason for each write-off. Someone will ask about it later.

Step 4: Review accounts payable and find unrecorded liabilities

The risk here is expenses that belong to this year but have not been recorded yet. Typical sources: invoices that arrive in January for December work, goods received but not invoiced, and approved invoices sitting in someone's inbox.

• Check every invoice received after year-end and decide which year it belongs to.
• List goods and services received before the cutoff that have not been invoiced and record an accrual.
• Review purchase orders and receipts for open items. If you run a three-way match, the exceptions queue is a good place to look for stuck invoices.
• Confirm that approved but unpaid bills are in the ledger and that approval limits were followed.

If your purchasing process is well defined, much of this is a report you run. If it is not, the procure-to-pay guide shows where the gaps usually are.

Step 5: Record adjusting entries

Adjusting entries make the books reflect the real position at year-end. Common ones:

• Depreciation on fixed assets.
• Prepaid expenses, where you paid for something that covers a future period.
• Accrued expenses, such as wages, interest or utilities earned but not yet paid.
• Deferred revenue, where a customer paid for something you have not yet delivered.
• Accrued revenue, where you delivered something you have not yet invoiced.

Each estimate should have a short note: how it was calculated, who approved it and what source supports it. Round numbers with no explanation are the first thing a reviewer asks about.

Step 6: Count inventory and review fixed assets

If you hold stock, count it. A full count at year-end is the cleanest way to find shrinkage, damage and errors in your records. Agree the count date, freeze movements during the count if you can, and have someone who does not manage the stock review the results. The SOP examples guide includes a weekly inventory count procedure you can adapt for the year-end count.

For fixed assets, review the register: record additions and disposals, check that items still exist, apply depreciation and remove anything that was scrapped or sold.

Step 7: Prepare contractor and vendor reporting

In the United States, businesses may need to report payments to independent contractors on Form 1099-NEC. The IRS instructions for Forms 1099-MISC and 1099-NEC (December 2026 revision, for 2026 information filed in early 2027) state the following, and you should confirm them against the current page before you act:

• For tax years beginning after 2025, the minimum reporting threshold for certain payments is $2,000, and it may be adjusted for inflation beginning in 2027.
• You are required to furnish payee statements and file Form 1099-NEC with the IRS by January 31.
• The instructions refer to an e-filing threshold of 10 information returns, aggregated across return types, for returns filed on or after January 1, 2024.

The practical work is gathering clean data: the legal name and tax identification number of each payee, the total paid in the calendar year and whether the payment is the type that needs reporting. The easiest way to get this right is to collect the right form when you first set a supplier up. The IRS describes Form W-9 as the form used to request a payee's taxpayer identification number. Build that into your vendor onboarding procedure and year-end becomes a report instead of a hunt.

Outside the United States, the forms and deadlines differ. The principle is the same: identify who you paid, how much, and what you must report to the authorities.

Step 8: Tie payroll to your reports

Check that wages, bonuses, withholdings and employer taxes in the ledger agree with your payroll reports and with what you reported to the tax authority during the year. Differences are easier to correct before year-end forms are issued than after. If you pay contractors through the same system as employees, make sure each payment is categorized correctly.

Step 9: Produce and review the statements

Run the profit and loss statement, the balance sheet and the cash flow statement. Then do three reviews:

1. Reasonableness. Does each major number make sense? A balance that has not moved all year, or a line that doubled, needs an explanation.
2. Variance to last year. Compare each line with the prior year and write one sentence for every large difference.
3. Cross-checks. Does cash in the statements agree with reconciled bank balances? Do receivables and payables agree with their sub-ledgers?

Give the reviewer enough time. A review done in a hurry is a signature, not a check.

Step 10: Archive records and lock the period

Save a copy of the reports, reconciled statements and supporting documents in a place that is backed up and that more than one person can reach. Name folders consistently so the next person can find things.

Retention rules vary. IRS guidance, as summarized by accounting guides such as Xero's end-of-fiscal-year checklist, says to keep most business records for at least three years and employment tax records for at least four. The IRS maintains its own page on how long to keep records, which is the source to check. Some records, such as those tied to property or to legal disputes, may need to be kept longer.

Once the numbers are final, lock the period in your accounting system so nobody can change prior-year entries without a recorded reason.

Step 11: Review the process and update the SOP

Within a week of finishing, hold a short review. Ask what took longest, what was missing, which step produced the most corrections and what you can prepare earlier next December. Write the answers into the checklist. A close that improves by a few small steps every year becomes calm, and a calm close is a cheaper one.

A copy-ready year-end checklist

Copy this into a spreadsheet or a task tool and fill in the owner, due date and evidence for your team.

#	Step	Owner	Due	Evidence
1	Confirm cutoff date and communicate it	Finance lead	Early December	Message to suppliers and customers
2	Collect missing tax forms from payees	AP lead	Mid December	Forms stored with vendor records
3	Schedule inventory count and asset review	Operations	Mid December	Calendar invite and count sheets
4	Reconcile all bank, card and processor accounts	Accountant	Jan 1 to 7	Signed reconciliations
5	Review receivables and decide write-offs	Finance lead	Jan 1 to 7	Aging report and decision notes
6	Find unrecorded liabilities and record accruals	AP lead	Jan 1 to 10	Accrual schedule with support
7	Record depreciation, prepaids and deferrals	Accountant	Jan 5 to 10	Journal entries with notes
8	Complete inventory count and adjust	Operations	Jan 1 to 10	Count results and approved adjustments
9	Prepare contractor reporting	AP lead	By mid January	Payee totals and draft forms
10	Tie payroll to reports	Payroll owner	By mid January	Reconciliation of payroll to ledger
11	Produce statements and review variances	Finance lead	Jan 10 to 15	Reviewed statements with notes
12	File or furnish required forms	Finance lead	By their deadlines	Filing confirmations
13	Archive records and lock the period	Accountant	Late January	Archive folder and lock record
14	Review the process and update this checklist	Finance lead	End of January	Updated SOP

Where automation helps

Automation is useful at the edges of the close, not in the middle of the judgment calls.

• Bank feeds and rules reduce manual matching in reconciliations.
• Recurring entries for depreciation and prepaid expenses save repeated typing.
• Reminders keep owners on schedule.
• Report packs that run on a schedule give reviewers the same view every time.
• Document capture can read incoming supplier invoices so they reach the ledger sooner. See the guides on AI invoice processing and accounts payable automation for what to automate and what to keep with people.

Keep people in charge of cutoff decisions, estimates, write-offs and the final review. Software can prepare the numbers, but someone has to be able to explain them.

Common mistakes

• Starting in January. Preparation in December is what makes January short.
• No cutoff rule. Without one, the same expense lands in different years depending on who handled it.
• Missing contractor information. Chasing tax details after year-end costs time and goodwill.
• Estimates with no support. An accrual with no calculation will be questioned.
• Skipping the inventory count. Differences found later are harder to explain.
• Reviewing too fast. Leave time for questions.
• Leaving old reconciling items. Items from months ago make year-end reconciliations slower.
• No archive structure. Records exist, but nobody can find them.
• No lessons learned. The same delays repeat next year.

Key takeaways

• A year-end close is a month-end close with a full-year cutoff, more review and more reporting. Prepare in December.
• Write down a cutoff rule and give every step an owner, a due date and a piece of evidence.
• Reconcile every account, record unpaid bills and accruals, and decide what to do with doubtful receivables.
• Collect payee information early so contractor reporting is a report, not a hunt. Check the current IRS instructions for thresholds and the January 31 deadline.
• Tie payroll to your reports, count inventory and review fixed assets.
• Archive records, lock the period and update the SOP while the problems are fresh.

Sources and further reading

The pages below are where we checked the rules and checklists mentioned in this guide. Thresholds, deadlines and retention rules change, so confirm on the source before you act. Written by Sam at OpsGrit with AI assistance and an automated editorial review. If you spot something wrong, tell us.

• IRS: Instructions for Forms 1099-MISC and 1099-NEC. Reporting threshold, January 31 deadline and e-filing threshold for the revision described above.
• IRS: Reporting payments to independent contractors. Which payments to non-employees are reportable.
• IRS: About Form W-9. The form used to request a payee's taxpayer identification number.
• IRS: How long should I keep records?. Retention guidance.
• Xero: End-of-fiscal-year checklist. A vendor guide that lists common year-end steps. Product features and offers on that page are Xero's own.
• COSO: Internal Control, Integrated Framework. Background on review and control activities.

The timeline, checklist and examples in this guide are OpsGrit's own and are starting points. Adapt them with your accountant.

Related guides

• Month-End Close Checklist Template
• Procure-to-Pay Process: 8 Steps, the Controls That Matter and Where to Automate
• Vendor Onboarding SOP
• Accounts Payable Automation: What to Automate, What to Measure and a 90-Day Rollout Plan