Blog
Written by

Martijn Mulders
Published on
May 19, 2025
The month-end close is second nature to finance teams but to everyone else, it might sound like alien code. With AI reshaping how companies handle this process, the term is cropping up more than ever. In this post, we’ll unpack what the month-end close really means, why it matters, the core steps involved, common challenges, and how to make it faster and more efficient.
Demystifying the Month-End Close
The month-end close is a critical, recurring accounting process conducted at the end of each month to finalize that period’s financial records. During this time, finance teams focus on accurately recording and completing every transaction in their books across the General Ledger, which serves as the master record summarizing all financial activity through account balances like accounts receivable; the Subledger, offering detailed transaction data supporting each account balance; and ERP systems like NetSuite.
This process involves reviewing, reconciling, and adjusting financial data to produce key reports such as the income statement, balance sheet, and cash flow statement. These reports enable informed decision-making and ensure compliance with accounting standards.
More Than a Deadline: Why the Close Matters
Closing the books on time isn’t just a finance checkbox, it’s essential to running a well-informed business. A timely and accurate month-end close gives leadership the financial clarity they need to make smart, strategic decisions. It ensures compliance with accounting standards like GAAP or IFRS and lays the foundation for reliable budgeting, forecasting, and investor reporting. Without it, you’re flying blind.
Traditionally, companies aim to close within 5 to 10 business days after month-end, but best-in-class teams are closing faster with the help of automation and standardized workflows. At Stacks, we believe in the power of the continuous close, enabled by Agentic AI, where teams complete their tasks throughout the month, giving them the flexibility to close the books whenever they want, even today.
From Start to Finish: How the Month-End Close Works
1. Record All Transactions & Post Journal Entries
Teams begin by capturing all financial transactions including sales, expenses, payroll, and more in the ERP system. This includes posting journal entries for the aforementioned as well as accruals, deferrals, and other adjustments to ensure the financials reflect the true picture, even when cash hasn’t moved yet.
2. Reconcile Accounts
Next, teams reconcile accounts by comparing data from the general ledger to external data sources to ensure accuracy and consistency. This includes matching cash balances with bank statements, open invoices with accounts receivable, and vendor bills with accounts payable. Subledgers provide the transaction-level detail needed to investigate and support these balances.
3. Review and Adjust Journal Entries
Afterwards, teams carefully review all journal entries for accuracy and completeness. They make necessary adjustments (e.g., correcting errors, updating accruals, and adding late entries) to ensure the financial statements are fully accurate and comply with accounting standards.
4. Validate Financial Data
Before closing the books, teams take a final close look at the numbers to ensure everything makes sense. They analyze variances compared to prior periods or budgets, investigate any unusual balances, and confirm that all reconciliations and adjustments are complete. This thorough validation builds confidence that the financial data is accurate, consistent, and ready for reporting.
5. Consolidate Entities
For companies with subsidiaries or multiple business units, teams combine all individual books into one consolidated set of financial statements. This process ensures a complete and unified view of the company’s overall financial health.
6. Prepare Financial Statements
Next up, teams produce key reports including the income statement, balance sheet, and cash flow ensuring compliance with GAAP or IFRS. These statements summarize the company’s financial health.
7. Management Review and Sign-Off
To conclude, finance and management review the results, make any final corrections, and then officially close (or lock) the books.
Challenges That Delay Your Month-End Close
The month-end close often feels like a race against time. Below are some common challenges finance teams face.
Fragmented and Complex Systems
Finance teams juggle fragmented ERPs and siloed tools built for specific tasks. The lack of integration creates inconsistent data, duplication, and unnecessary complexity.
Lack of Data Accuracy and Integrity
Accurate, reliable, and auditable data is essential for compliance and trusted financial reporting, but multiple data sources, manual entry, and heavy spreadsheet use increase the risk of errors, inconsistencies, and slow, error-prone reconciliations.
Manual Processes
Heavy reliance on spreadsheets and manual work is time-consuming, error-prone, and adds stress and delays to the close.
Financial Complexity, Regulations, and Standards
Multi-entity, multi-currency operations and evolving regulations add complexity that legacy systems can't handle without manual workarounds, increasing the risk of errors and compliance issues.
Lack of Visibility and Control
Limited visibility into close status causes delays, uncertainty, and last-minute errors.
How do I make my Month-End Close more efficient?
Streamline your close by automating data collection and ingestion across all systems, eliminating manual handoffs and reducing errors. Leverage tools that automate journal entry posting and smart reconciliations to accelerate the process. With less time spent on repetitive tasks, your finance team can focus on analysis, insights, and strategic decision-making.
Discover how Stacks, powered by AI, can streamline your month-end close process, here.