Preparing your business for an IRS audit means getting ahead of the process before a notice arrives. At Accurate Tax & Bookkeeping Services (ATBS), our business tax services help business owners understand what triggers audits, organize financial records throughout the year, and respond to the IRS with confidence if an audit does occur.
What Exactly Is an IRS Audit?
An IRS audit is a formal review of your business’s financial records to verify that your tax return accurately reflects your income, expenses, and credits.
There are three main types:
- Correspondence audit – the most common type; the IRS contacts you by mail requesting specific documents or clarification on a particular item.
- Office audit – you are asked to visit an IRS office in person to review specific issues.
- Field audit – an IRS agent visits your place of business to conduct a thorough, in-person examination. These are typically reserved for complex or high-risk returns.
According to the IRS Data Book, the IRS closed 497,621 audits in fiscal year 2025, resulting in $26.8 billion in recommended additional tax.
Most Common IRS Audit Triggers
| Audit Trigger | Why It Raises a Flag |
| Income discrepancies | IRS cross-references reported income against all 1099s and W-2s on file |
| Excessive deductions | High expense-to-revenue ratios stand out in automated screening |
| Consecutive business losses | Multiple loss years raise questions about legitimate profit intent |
| Employee misclassification | Labeling employees as contractors to reduce payroll taxes is an IRS enforcement priority |
| Unexplained income swings | Sharp year-over-year changes can suggest unreported income or errors |
| Claiming 100% vehicle business use | Full personal vehicle exclusion is rarely accepted without strong documentation |
What Steps Make a Business Audit-Ready?
You do not need to wait for a notice. These steps reduce risk and put you in a strong position if the IRS does reach out.
- Reconcile income against all third-party forms. Every 1099 and payment processor summary on file with the IRS should match your reported figures exactly.
- Document the business purpose of every deduction. For meals, travel, and vehicle use, notes on purpose should accompany each receipt or log entry.
- Separate personal and business finances. Mixed accounts make it hard to substantiate deductions clearly.
- Pay yourself reasonable compensation. S-Corp owners taking low salaries to minimize payroll taxes is a stated IRS enforcement focus.
- File on time, every time. Late or amended returns draw unnecessary scrutiny.
At ATBS, our Brandon accounting team works with clients year-round to keep records clean and audit-ready.
What Should I Do If I Receive an IRS Audit Notice?
Receiving a notice does not mean you did anything wrong. Most correspondence audits are resolved with the right documentation submitted on time.
- Read the notice carefully. It identifies the specific tax year and items under review.
- Do not ignore it. Missing the response deadline results in automatic adjustments in the IRS’s favor.
- Gather only what was requested. Volunteering extra information can open additional areas of your return to scrutiny.
- For office or field audits, seek professional representation immediately.
Accurate Tax & Bookkeeping Services offers audit representation and tax advisory support for businesses in the Tampa Bay area. Need a tax preparation service near you that handles audits, too? We offer end-to-end support.
Frequently Asked Questions
- How will I know if I am being audited?
The IRS generally initiates audit contact by mail. It does not initiate audits via phone, email, or text messages. Calls claiming to be from the IRS without prior written notice should be reported to the IRS.
- Does filing an extension lower my audit risk?
It gives you more time to file accurately, which can reduce errors, but does not lower audit risk on its own. A return with red flags will still be flagged regardless of the filing date.
- What if the IRS proposes a change I disagree with?
You have the right to appeal. If you agree with the finding, additional tax plus interest will be owed. Penalties can often be reduced with proper representation and a documented reasonable cause.
Protect Your Business Before the IRS Comes Knocking
Audit preparation is a year-round habit, not a one-time task. Whether you want to reduce your risk now or need representation after receiving a notice, our Brandon accounting services team is ready. Call ATBS at (813) 655-9702 or email [email protected] to schedule a free consultation.