How Much Should a Small Business Set Aside for Taxes?
You have $10,000 sitting in your business bank account. How much of it is actually yours? That's a question many business owners don't seriously think about until tax season. Money comes in. You pay employees, contractors, rent, equipment, insurance, software, fuel, inventory, and dozens of other expenses. What's left feels like profit. Then your tax return gets prepared and you hear:
"You owe $14,000."
There's just one problem. You don't have $14,000 sitting around. The money was already spent, reinvested in the business, or transferred to your personal account. This is one of the most common cash-flow problems small business owners face, and it's particularly frustrating because it's often preventable. Setting money aside throughout the year can make tax season significantly less stressful. But that leads to an obvious question:
How much should you actually save?
You've probably heard rules like:
"Just put aside 20%."
Or:
"Save 30% of everything you make."
Those rules can be useful as rough starting points, but they're also oversimplified. Your actual tax obligation depends on much more than your gross revenue. Let's break down what small business owners should actually consider.
Should Small Businesses Save 30% for Taxes?
You've probably seen the 25%–30% rule online. The idea is simple: every time your business makes money, move approximately 25%–30% into a separate savings account for taxes. For some business owners, that may provide a reasonable cushion. For others, it could be far too much—or nowhere near enough. That's because your taxes aren't generally calculated by simply multiplying your business's revenue by 30%. Consider two businesses that each generate $200,000 in annual revenue.
Business A
Generates $200,000 but has $140,000 of legitimate business expenses. Its business profit before considering other tax factors is roughly $60,000.
Business B
Also generates $200,000 but only has $50,000 in business expenses. Its profit is roughly $150,000. Same revenue. Very different taxable business income. And that's before considering other factors that may affect the owners' overall tax situations.
So instead of asking:
"What percentage of my revenue should I save?"
A better question is:
"Based on what my business is actually earning, what am I projected to owe?"
That's where accurate bookkeeping becomes extremely important.
Revenue Isn't the Same as Profit
This sounds obvious, but it's one of the most important concepts for a business owner to understand. If your company brings in $500,000 this year, that doesn't necessarily mean you're paying income taxes on $500,000. Your business may also have qualifying expenses such as:
Payroll
Contractor payments
Rent
Insurance
Advertising
Software
Professional services
Supplies
Equipment
Vehicle expenses
Other ordinary and necessary business expenses
Those expenses can affect your business's taxable income. But here's where business owners get themselves into trouble:
They don't know what their actual profit is during the year.
Their bookkeeping is three months behind. Accounts aren't reconciled. Expenses are sitting on personal credit cards. Transactions haven't been categorized. Nobody has looked at the profit-and-loss statement since last tax season. Then they're trying to answer:
"How much should I send the IRS?"
without knowing how much money the business has actually made. That's guessing. And when it comes to taxes, guessing can get expensive.
Your Business Structure Matters
Another reason there isn't one universal tax-savings percentage is that how your business is structured can affect how taxes are handled. A sole proprietor may have different considerations than someone operating through a partnership or corporation. Depending on the business structure and individual circumstances, a business owner may need to account for things such as:
Federal income tax
Self-employment tax
Payroll taxes
Estimated tax payments
State or local obligations
Other taxes specific to the business
Texas doesn't have an individual state income tax, but that doesn't mean Texas business owners don't have state-level tax or filing obligations. Certain businesses, for example, may have Texas franchise tax reporting requirements.
This is another reason a generic:
"Save 30%."
isn't really a tax strategy. It might be a useful safety mechanism when you have nothing better. But ultimately, the goal should be to replace the generic percentage with a projection based on your actual numbers.
What Are Quarterly Estimated Tax Payments?
This is where many new business owners get surprised. When you're an employee, taxes are generally withheld from your paycheck throughout the year. You don't see the entire amount hit your bank account and then write the IRS one enormous check every April. Business owners and self-employed individuals often don't have that automatic withholding. Instead, they may need to make estimated tax payments throughout the year. These are commonly referred to as quarterly estimated taxes. Rather than waiting until your tax return is filed and discovering you owe a large balance, estimated payments allow you to pay toward your expected tax liability during the year. For many taxpayers, estimated payments are generally associated with four payment periods during the year. The exact amount you should pay depends on your circumstances. And that's where another common mistake happens.
Don't Automatically Use Last Year's Income
Imagine your business earned $80,000 last year. This year, things take off. By September, you're already at $140,000. If you're still planning your taxes based entirely on last year's performance, you may be significantly underestimating what you'll owe. The opposite can happen too. Maybe last year was exceptional, but this year revenue has declined. Continuing to save or make estimates based solely on the previous year's performance may leave more cash tied up than necessary. That's why tax planning shouldn't happen once a year. Your business changes. Your tax projections should be able to change with it.
The Better System: Create a Tax Account
One of the simplest habits we recommend for business owners is separating tax money from operating cash. Instead of keeping everything in one checking account, consider maintaining a separate account specifically for anticipated taxes. When revenue comes in, a portion can be transferred into that account based on your current tax projection. Now something important happens psychologically: You stop looking at the money reserved for taxes as money available to spend. If your operating account has $25,000 and your tax account has $12,000, you know you don't really have $37,000 available to run the business. That distinction can prevent some painful surprises later. And when an estimated tax payment comes due, you're not suddenly scrambling to find the cash. You've been preparing for it all along.
How Bookkeeping Helps You Know What to Save
This is one of the reasons we push business owners to keep their bookkeeping current. Good bookkeeping isn't just about producing financial statements or making tax preparation easier. It helps you answer basic questions like:
How much money did we actually make?
Are expenses increasing?
What does our cash flow look like?
Are we more or less profitable than last year?
Are we setting aside enough for taxes?
A business owner whose books are current can make tax decisions using actual financial information. A business owner whose books are six months behind is essentially driving while looking in the rearview mirror. And that's how April surprises happen.
A Practical Tax-Savings System for Small Business Owners
Knowing you should save for taxes is one thing. Actually building a system that works when revenue changes from month to month is another. Let's look at a simplified example. Imagine a self-employed consultant brings in $15,000 this month. During the same month, the business has $6,000 of expenses. That leaves approximately $9,000 in business profit before considering the owner's complete tax situation. If the owner simply takes the $9,000 and treats all of it as available cash, tax season could become painful.
Instead, the business owner could use a system like this:
Keep bookkeeping current so monthly profit is known.
Maintain a separate account for taxes.
Use a tax projection to determine an appropriate amount to reserve.
Transfer that money before treating the remaining cash as available.
Review the projection periodically as income changes.
Notice what's missing:
We aren't automatically multiplying the $15,000 of revenue by 30%.
We're making decisions based on the business's actual financial performance.
What If Your Income Changes Every Month?
This is especially important for businesses with inconsistent income. A construction contractor might have a huge month followed by two slower months. A restaurant may experience seasonal fluctuations. A truck driver could have dramatically different revenue and expenses depending on loads, fuel prices, repairs, and time on the road. A healthcare practice may have significant revenue earned but still be waiting for payments to arrive.
That's why a tax strategy built around:
"I'll save $1,000 every month."
may not work very well. If your income fluctuates, the amount you're setting aside may need to fluctuate too. Suppose your business profit looks like this:
January: $4,000
February: $6,500
March: $14,000
Saving the exact same dollar amount each month doesn't necessarily reflect what's actually happening in the business. A percentage-based reserve can be a useful starting system, but periodically comparing that reserve against an updated tax projection is much better.
How Often Should You Review Your Tax Projection?
You don't need to calculate your expected tax bill every Friday. But waiting until tax season defeats the purpose. For many small businesses, reviewing financial performance quarterly is a reasonable rhythm.
Look at:
Year-to-date revenue
Year-to-date expenses
Year-to-date profit
Estimated payments already made
Major changes expected during the remainder of the year
Then ask:
Are we still saving enough?
If business has significantly outperformed expectations, you may need to increase what you're reserving. If profit has fallen, your projection may need to change in the opposite direction. And if something significant happens—selling a business asset, adding a major revenue source, changing business structure, or experiencing substantial growth—you may want to review things sooner.
What Happens If You Haven't Saved Enough?
This is where many business owners reading this article may find themselves. Maybe it's August and you've barely saved anything. Maybe your business grew much faster than expected. Or maybe you've been using every available dollar to operate the company. The worst response is usually:
"I'll worry about it next April."
Start by figuring out where you actually stand. Get your bookkeeping current. Determine your year-to-date profit. Review the tax payments you've already made. Then estimate what your remaining obligation could look like. Once you know the size of the potential gap, you can start addressing it.
For example, you may decide to increase the amount you're reserving from future income rather than waiting until the filing deadline and discovering the entire shortfall at once. The earlier you identify the problem, the more time you have to plan around it.
Common Mistakes Small Business Owners Make When Saving for Taxes
Mistake #1: Saving Based Only on Revenue
Revenue doesn't tell you the whole story. A $500,000 construction business and a $500,000 consulting business could have dramatically different expenses and profits.
Your tax planning needs to account for what's actually happening financially inside the business.
Mistake #2: Treating the Tax Account Like an Emergency Fund
You've done everything right. You've saved $15,000 for taxes. Then the truck needs a $7,000 repair. Suddenly that tax account starts looking tempting.
The problem? The tax obligation didn't disappear because the truck broke down. If possible, your tax reserve should be treated separately from your operating and emergency reserves.
Mistake #3: Waiting Until Tax Season to Look at Your Books
If you're waiting until February or March to determine whether the previous year was profitable, you're learning the answer far too late to make proactive decisions.
Your financial statements should help you operate the business during the year—not simply help prepare the tax return afterward.
Mistake #4: Assuming One Good Year Will Repeat
Last year's numbers can be useful. They aren't a crystal ball. Your business may grow substantially, lose a major customer, hire employees, buy equipment, change its pricing, or experience completely different expenses. Your tax planning should reflect what's happening this year.
Mistake #5: Confusing Cash in the Bank With Profit
This is a big one. Imagine your bank account shows $40,000. That doesn't necessarily mean your business made $40,000.
Some of that cash may be needed for:
Payroll
Vendor bills
Credit-card payments
Taxes
Upcoming expenses
Other business obligations
The opposite can also happen. Your business can show accounting profit while cash is tight because customers haven't paid outstanding invoices yet. That's why looking only at the bank balance can give business owners a misleading picture of their financial health.
Different Industries Have Different Tax Challenges
This is also why we're hesitant to give every business owner the same blanket tax-savings percentage.
Construction Companies and Contractors
Construction businesses often deal with irregular project payments, subcontractors, equipment purchases, materials, vehicles, and significant swings in cash flow. A large payment hitting your account doesn't necessarily mean you suddenly have a huge amount of disposable income. Keeping project-related expenses and bookkeeping current makes tax planning substantially easier.
Truck Drivers and Transportation Businesses
Owner-operators can have significant expenses associated with fuel, maintenance, insurance, equipment, permits, and other costs. Revenue alone doesn't tell you how profitable the business actually is. Keeping accurate records throughout the year becomes especially important when expenses fluctuate significantly.
Restaurants
Restaurants operate with a completely different financial model. Food costs, payroll, rent, merchant fees, equipment and other operating expenses can consume a substantial portion of revenue. Tax planning needs to work alongside cash-flow planning—not against it.
Healthcare Professionals and Practices
Healthcare businesses can face another challenge: timing. Revenue may be earned before the cash actually reaches the business. That makes understanding both profitability and cash flow particularly important when deciding how much money is truly available.
Don't Forget About Payroll Taxes
There's another category of tax money business owners need to treat carefully: payroll taxes. When your business withholds certain taxes from employee wages, that money isn't simply additional operating cash available to run the company. Using money intended for payroll-tax obligations to cover other expenses can create serious problems. If your business is consistently choosing between making payroll-tax deposits and paying normal operating expenses, that's not simply a tax-planning problem. It's a warning that the business's cash flow needs attention. And it's something worth addressing quickly rather than hoping next month's revenue fixes it.
The Goal Isn't to Save as Much as Possible
There's an important distinction here. Good tax planning doesn't mean:
Put as much money as possible aside so there's absolutely no chance you'll owe anything.
Cash matters to a business. Money unnecessarily sitting in a tax account can't be used for inventory, equipment, employees, debt reduction, or growth.
The goal is to create a reasonable projection, maintain an appropriate reserve, make required payments, and update the plan when the business changes.
That's much different from blindly transferring 30% of every dollar you collect.
The Real Answer: Know Your Numbers
So, how much should a small business set aside for taxes? There's no single percentage that's correct for every business. A rough percentage can help you develop the habit of reserving money, particularly when you're newly self-employed. But as your business grows, you should graduate from:
"I heard I'm supposed to save 30%."
to:
"Here's what we've earned, here's what we've paid, and here's what we're currently projected to owe."
That requires good bookkeeping. And when your books are current, tax planning becomes significantly less mysterious.
What Should You Do This Week?
If you're reading this and realizing you don't really know how much your business should be setting aside, you don't need to rebuild your entire accounting system overnight. Start with a few basic steps.
1. Get Your Bookkeeping Current
Before trying to estimate taxes, you need reasonably accurate numbers.
Make sure your:
Bank accounts are reconciled
Credit cards are reconciled
Income is properly recorded
Business expenses are categorized
Outstanding transactions have been addressed
If your bookkeeping is several months behind, that's the place to start.
2. Review Your Year-to-Date Profit
Don't just look at revenue. Look at what the business has actually earned after expenses. Your profit-and-loss statement can help you understand whether the business is performing differently than you expected.
3. Review What You've Already Paid
Look at estimated tax payments and other applicable tax payments you've already made during the year. You don't want to plan in a vacuum.
4. Establish a Separate Tax Account
If you don't already have one, consider creating a dedicated savings account for anticipated taxes. Keeping that money separate can make it much easier to avoid accidentally spending it on normal business expenses.
5. Get a Tax Projection
This is where you move beyond the generic 25% or 30% rule. A tax professional can review your current financial information and help estimate what your tax obligation may look like based on your actual circumstances. Then you have a number you can plan around.
Frequently Asked Questions
What percentage should a small business save for taxes?
There isn't one percentage that's appropriate for every small business.
You may see general recommendations to reserve approximately 25%–30%, but your actual tax liability can vary substantially based on profit, business structure, other income, deductions, credits and your overall tax situation.
A percentage can be useful as a temporary rule of thumb, but an individualized tax projection is more useful.
Should I save for taxes based on revenue or profit?
Your tax situation generally depends much more on taxable income than gross revenue alone.
Two businesses can each generate $250,000 in revenue while producing dramatically different profits because their expenses are different.
That's why accurate bookkeeping matters.
Do small business owners have to pay taxes quarterly?
Some business owners and self-employed individuals may need to make estimated tax payments during the year if sufficient tax isn't being paid through withholding or other means.
Whether you're required to make estimated payments—and how much you should pay—depends on your individual circumstances.
What happens if I don't pay enough in estimated taxes?
You may owe additional tax when you file your return and could potentially face an underpayment penalty.
That's another reason it's useful to review your tax position during the year rather than waiting until tax season.
Does Texas have a state income tax for small businesses?
Texas does not impose an individual state income tax.
However, businesses may still have other Texas tax and reporting obligations, including potential franchise tax and sales tax requirements depending on the business.
Operating in Texas doesn't mean a business has no state tax responsibilities.
Should I keep my tax savings in a separate bank account?
It can be a useful cash-management strategy.
Separating anticipated tax money from everyday operating cash makes it easier to see what money is actually available for business expenses.
What if my income changes significantly during the year?
That's exactly when you should reconsider your tax projection.
If your business grows rapidly—or has a significant downturn—the amount you originally planned to save may no longer make sense.
Tax planning should respond to what's actually happening in the business.
What if I'm already behind on estimated taxes?
Don't wait until next year's filing deadline simply because you're already behind.
Get your bookkeeping current, determine where you stand, review what you've already paid, and evaluate what you may owe.
Finding the problem earlier gives you more time to prepare for it.
Tax Planning for Houston-Area Small Businesses
Running a business in the Houston area comes with enough unpredictability without wondering whether you're saving enough for taxes.
At Infinity Tax & Financial Services, we work with small business owners throughout Houston and surrounding communities, including League City, Pearland, Friendswood, Webster, Clear Lake, Pasadena, Deer Park, Baytown, Galveston, Sugar Land and other Texas communities.
Our work goes beyond preparing a tax return once a year.
We help business owners with:
Tax preparation
Tax planning
Monthly bookkeeping
Catch-up bookkeeping
Payroll
IRS resolution
The goal is simple: know where you stand before tax season arrives.
If your books are behind, you're unsure how much you should be setting aside, or your business has changed significantly this year, Infinity can help you get a clearer picture of your finances and tax obligations.
Call Infinity Tax & Financial Services at 281-796-1143 or schedule a consultation to discuss your business.