Startup Accounting
Common Financial Mistakes First-Time Founders Make
Collated by Aparna Devalla, CPA
Curated by Rubric Financial
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Mixing Personal and Business Finances
- Using a personal bank account for business transactions makes it nearly impossible to produce clean financial statements and creates audit risk.
- Commingled funds can pierce the corporate veil, exposing founders to personal liability for company debts and obligations.
- Open a dedicated business bank account and business credit card before spending a single dollar — Mercury, Brex, and SVB all offer startup-friendly options.
- Reimburse founders for legitimate business expenses through a formal expense reimbursement process with receipts and documentation.
Related Resources
Startup Accounting
GAAP Basics for Startups
Understand the Generally Accepted Accounting Principles that every startup needs to follow, from revenue recognition to accrual accounting.
Startup AccountingCapEx vs OpEx: Expense Classification
When to capitalize vs expense costs — and how misclassification affects your financials and taxes.
Startup AccountingWhy Your Bank Balance Doesn't Match Your P&L
Understand why your cash position and income statement tell different stories — and why investors care about accrual-basis financials over bank balances.
