Start a Business
First-Year Tax Checklist for Small Business Owners
A beginner checklist for cleaner records, better tax conversations, and fewer surprises.
Separate finances early.
Track income and expenses from day one.
Ask about estimated taxes before profit arrives.
Quick Answer
First-year business tax success is mostly recordkeeping. Separate business finances, save receipts, categorize expenses, track mileage if relevant, understand estimated tax obligations, collect contractor forms, and talk to a tax professional before year-end.
Set Up Early
- Open a business bank account.
- Choose bookkeeping software or a spreadsheet before the first sale.
- Save receipts digitally.
- Track mileage with date, purpose, and miles if vehicles are used.
- Create a tax reserve account.
- Know your business structure and default tax treatment.
Monthly Checklist
- Reconcile bank and card transactions.
- Categorize income and expenses.
- Save payroll, contractor, and sales tax records.
- Review profit and set aside tax money.
- Update accounts receivable and unpaid bills.
Questions for a Tax Pro
- Do I need to make estimated tax payments?
- How should I handle owner draws or payroll?
- What expenses are ordinary and necessary for my business?
- Do I need to collect sales tax?
- When should I consider S corporation election?
Next Best Step
Book a tax planning conversation before the final quarter. After December 31, many options are limited to cleanup instead of planning.