What should be included in a monthly financial review with an external controller?
A monthly financial review with an external controller gives you a second set of eyes on your books before you make decisions based on them. The review should cover specific elements that tell you whether your numbers are accurate, where your business stands, and what needs attention.
Start with the month-end close. The controller should verify that all transactions are recorded, accounts are reconciled, and the financial statements balance. Missing transactions or reconciliation errors can throw off everything downstream. Catching these problems monthly prevents them from compounding into bigger issues by year end.
Variance analysis is where the review becomes useful for management, not just compliance. Compare actual results to your budget and to the same period last year. Where did you spend more or less than expected? Which revenue streams came in above or below target? You’re not just looking at what happened but asking why it happened and what to do about it.
AR/AP oversight reveals cash flow health. Review accounts receivable aging to see who owes you money and how long invoices have been outstanding. Check accounts payable to make sure nothing’s falling through the cracks. Slow collections hurt cash flow even when sales are strong. An external controller spots patterns you might miss when you’re focused on running the business.
Internal controls matter more as your business grows. Are transactions being approved properly? Is there segregation of duties where it matters? An external controller provides oversight that helps prevent errors and fraud. This isn’t about distrusting your team. It’s about having processes that catch mistakes before they become expensive problems.
Management-level reporting goes beyond standard financial statements. Discuss key metrics that drive your business. Margins, labor costs as a percentage of revenue, cash runway. The specific metrics depend on your industry and what matters for your operation. This is where the review turns numbers into decisions.
The meeting itself matters as much as the documents. Your external controller should walk you through findings, flag concerns, and answer questions. You should leave the meeting understanding your financial position, not just holding a stack of reports.
Businesses that benefit most from external controller services typically have an in-house bookkeeper or use full-service bookkeeping but want additional oversight and analysis. The controller isn’t replacing your bookkeeping. They’re reviewing it, questioning it, and turning the data into actionable information.
Having accurate monthly books also makes business tax preparation straightforward at year end. You’re not scrambling to reconstruct records because everything was reviewed and verified as it happened.
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