- 1Reconcile everything for the past 24 months. Investors will look at trends, so two years minimum.
- 2Switch to accrual basis if you're not already. Investors expect accrual; cash basis raises questions.
- 3Clean up your chart of accounts. Group revenue streams clearly, separate COGS from operating expenses.
- 4Reclassify owner draws, distributions, and one-time items. These distort reported profitability if mixed with operating expenses.
- 5Build a 36-month financial model. Three-statement, monthly, with assumptions documented.
- 6Calculate and document your key metrics. MRR, ARR, retention, CAC, LTV, gross margin by cohort.
- 7Prepare a cap table. Fully diluted, including SAFEs, options, and post-money calculations.
- 8Pull together the data room. Financials, contracts, IP, employment, corporate documents.
What investors and their lawyers will look at
In any formal due diligence process, your financial statements will be reviewed in detail. This typically includes 2-3 years of P&L statements, balance sheets, and cash flow statements, plus supporting detail on revenue, expenses, and headcount. For earlier stage companies, the review is less formal but the questions are the same: is revenue real, are expenses reasonable, and does the cash position match what you've been saying?
Investors and their lawyers look at three things in financial diligence. First, do the numbers in the pitch deck match what the books actually show. Second, are the books kept in accordance with standard accounting principles. Third, are there any skeletons - undisclosed liabilities, questionable revenue recognition, or misclassified transactions. Each of these is a potential deal-killer if the answer is unsatisfactory.
The specific documents they request: trial balance, general ledger detail for key accounts, bank reconciliations, aged AR and AP reports, customer contracts, employee agreements, cap table with history, prior tax returns. Each document gets reviewed. Inconsistencies between documents are flagged. A business with well-maintained books produces consistency across all of them.
The most common problems
The issues that come up most frequently in financial due diligence are misclassified revenue (revenue recorded in the wrong period or the wrong account), personal expenses run through the business, undocumented or inconsistent intercompany transactions, and discrepancies between what the founder has been saying and what the books actually show. None of these are necessarily fatal, but they all slow things down and create questions about competence or intent.
The most common problems: revenue that is booked differently than contracts suggest (accrual issues), expense categorizations that do not hold up to scrutiny (prepaid expenses treated as period costs, capital expenditures treated as expenses), unreconciled accounts or significant balance sheet gaps, missing documentation for equity grants or loans, and undisclosed related-party transactions.
Any one of these issues does not kill a deal, but a pattern suggests the company has not been operated with financial rigor. Investors factor that into valuation and governance requirements. A company with three issues might see 10-15% valuation reduction or aggressive post-close oversight provisions in the term sheet.
How far in advance to prepare
Ideally, you should start cleaning up and closing your books at least 90 days before you expect to begin investor conversations. This gives you time to address issues without the pressure of an active process. The worst time to discover your books are a mess is when an investor is asking for financials with a two-day turnaround.
Preparing books for funding should start 6-9 months before the raise, not weeks before. This gives time to: complete a full year of clean closes, get any audit issues resolved, complete prior-year tax returns, catch up on any accrual or categorization issues, and have a complete financial story with trends. Six months of clean monthly closes is much more credible than one rushed cleanup.
For Series B and later, also consider a quality-of-earnings review by a third party before the round. A Q of E report from a reputable firm signals that the numbers have been vetted and adds credibility. The cost (typically $25-75K) is small relative to valuation impact of showing clean, validated financials to investors.
What clean books signal
Beyond the numbers themselves, clean books signal that you run a disciplined operation. Investors are not just evaluating your current financial position - they're evaluating you as someone who will be responsible with their capital. Sloppy books suggest sloppy operations. Clean books suggest the opposite.
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Clean books signal more than just accurate financials. They signal an operator who cares about getting details right, a team that has discipline around processes, and a company that investors can trust to produce reliable reporting post-close. These qualitative signals often matter as much as the quantitative ones.
The reverse also holds. Messy books signal an operator who either does not know or does not care about financial detail. Both interpretations are concerning for investors. Even if the business is growing, a messy financial operation creates skepticism about other aspects of the business - are other parts of the operation equally messy, is management reliable, will reporting post-close be trustworthy.
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