5 Bookkeeping Red Flags Most Small Business Owners Miss
Written by Mario Almanzar, Accountant & Tax Strategist
Mario Almanzar is an Accountant, Tax Strategist, and business advisor who helps small business owners reduce taxes, improve cash flow, and use financial data to make smarter business decisions. He is the founder of Maxscale Accounting and serves clients across the United States.
A business can look busy, growing and healthy from the outside while quietly heading toward trouble. The early warning signs are almost always sitting in the books, months before they show up as a tight payroll week or a surprise tax bill.
What can your books tell you that your bank balance can't?
Your bank balance tells you how much money you have today. Your books tell you where it came from, where it went and whether the business is actually making a profit.
After ten years of bookkeeping cleanups and tax work for HVAC contractors, dental practices, boat dealers, security companies, nonprofits and farms across Fort Lauderdale, Miami and the rest of South Florida, I've noticed the same patterns again and again. The owner is usually too busy running the business to see them.
These are the five red flags I look for first, and what you can do about each one.
1. Cash leaves as fast as it comes in
The first thing I check is the rhythm of the bank account. A large customer payment lands on Tuesday, and by Thursday most of it is gone. Some went to bills. A big piece went to the owner.
This is more common than most people think. Research from the JPMorgan Chase Institute on small business cash buffers found that the typical small business holds only about 27 days of cash to cover its expenses. One slow month or one broken truck can wipe that out.
The fix is simple. Decide in advance what stays in the business. Set aside a fixed percentage of every deposit for taxes and reserves before you touch the rest. It is boring, and it works.
2. A growing "Ask My Accountant" balance
QuickBooks has an account called Ask My Accountant, or something similar like Uncategorized Expense. It is where transactions go when nobody knows what they were. A few items there are normal. Tens of thousands of dollars is a warning sign.
Every dollar in that account is a guess. It could be a deductible expense you are missing. It could be a loan payment, a personal purchase or money moved between two of your own companies. Until someone sorts it out, your profit is an estimate, not a number.
This is where most bookkeeping cleanup work starts. It is rarely about bad math. It is about questions nobody asked at the time, like who that $3,200 payment went to and why. The longer those questions wait, the harder they are to answer.
3. No plan for the slow season
Almost every business I work with in South Florida is seasonal in some way. AC companies in Fort Lauderdale are slammed from May through September. Boat dealers and marine shops ride the winter crowd. Restaurants and service businesses in Miami feel it when the snowbirds leave, and hurricane season adds its own uncertainty.
When I lay twelve months side by side, the pattern is clear. Busy months hide problems, and slow months expose them. An owner who hires, upgrades equipment or takes bigger draws in July often finds out in January that the money was already spoken for.
The best time to plan for your slowest month is during your busiest one. Pull last year's monthly profit and loss statements, find the low point and build a reserve while the cash is coming in.
4. Owner pay that doesn't match your business structure
This one surprises people. I often find owners who elected S corporation status to save on taxes, then never set up payroll for themselves. They just transfer money out when they need it.
The IRS expects an S corporation owner who works in the business to take reasonable compensation through payroll before taking distributions. Skipping that step can undo the savings the election was supposed to create, and it can draw attention you don't want.
The reverse happens too. Some owners pay themselves in ways that don't fit how their company is set up at all. If you are not sure how you are supposed to be paid, ask this month, not next April.
5. A tax return that doesn't match your books
You would think the tax return always matches the books. It often doesn't.
I regularly see returns built from one set of numbers while QuickBooks shows another. Sometimes the books were changed after the return was filed. Sometimes year-end adjustments never made it back into the books. Either way, the business starts the next year with balances that don't tie to anything.
Some differences between your books and your tax return are normal. The key is that every difference should have an explanation. If no one can walk you from your profit and loss statement to the income on your return, fix that gap before a lender, a buyer or the IRS asks about it.
How to catch these red flags early
Clean books are not about pleasing your accountant. They let you answer real questions fast. Can I afford to hire? Am I ready for a loan? What is this business worth if I want to sell it one day?
You don't need to read every report to get there. Once a month, ask whoever does your bookkeeping one question: "What surprised you this month?"
A good bookkeeper will always have an answer. A vendor charging more than usual. A customer paying slower. A deposit nobody can explain. That five-minute conversation will teach you more about your business than any dashboard.
Get a second set of eyes on your books
If any of these red flags sound familiar, don't wait for tax season to deal with them. The sooner they are found, the cheaper and easier they are to fix. My team at Maxscale Accounting reviews books for business owners every day, and a short conversation is often enough to tell you where you stand. Reach out through maxscaleaccounting.com to schedule a review of your books.
Read more from Mario Almanzar
Mario Almanzar, Accountant & Tax Strategist
Mario Almanzar is an Accountant, Tax Strategist, and Business Advisor and the founder of Maxscale Accounting. He works primarily with small and growing businesses, helping owners legally reduce taxes, improve profitability, and gain clarity through better financial reporting and planning. Mario believes accounting is much more than compliance–it is one of the most powerful tools business owners have for making decisions and building long-term wealth. His focus areas include tax strategy, bookkeeping, financial reporting, business advisory, and proactive tax planning. His mission is to help entrepreneurs use their numbers to work for them, not against them.
