2026 Edition: Small-Business Tax Preparation Checklist
A practical record-gathering guide for small-business owners. Know what to collect before tax preparation begins — and what to resolve early instead of at filing time.
Get the checklistEnter your name and email, and the checklist is sent to you. No cost, and no obligation.
Ten sections of records, in the order preparation usually needs them.
Not every item applies to every business. The checklist is designed so you can mark what applies, note what is missing, and address gaps early rather than during filing season.
- Business income records
- Business expenses, including inventory information
- Bank and bookkeeping records
- Payroll and contractor documentation
- Estimated tax payments
- Fixed assets and equipment
- Vehicle information
- Prior-year returns and agency notices
- Entity and ownership information
- Questions to resolve before preparation
Organized Section by Section
Ten checklist sections covering the records a small business typically gathers before a return is prepared.
Referenced to Official Sources
Each area points to the relevant IRS publication or resource page so you can review the underlying guidance yourself.
Prepared by an Enrolled Agent-Led Firm
Written by AEM Accounting Solutions, an Enrolled Agent-led tax and accounting firm serving clients remotely nationwide.
Where should we send it?
Provide your name and email and the checklist is delivered to you by email. Your information is used only to send this guide and administer that request. You are not added to any marketing or newsletter list.
Protect sensitive information. Do not submit tax documents, Social Security numbers, Employer Identification Numbers, taxpayer-identification numbers, bank information, or other confidential records through this form or ordinary email. AEM will provide appropriate instructions for securely transmitting documents when applicable.
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AEM Accounting Solutions is an Enrolled Agent-led tax and accounting firm serving clients remotely nationwide. Services are subject to scope review and availability, and pricing is confirmed in writing before work begins.
This checklist is provided for general educational purposes only and does not constitute tax, legal, or accounting advice, nor does it create a client relationship with AEM Accounting Solutions. References to IRS publications and webpages are provided for convenience and should be checked for revisions applicable to the return and tax year involved.