Q4: Your Financial Game Plan for the Last 90 Days of the Year
The final quarter of the year isn't just about finishing strong. It's about making the decisions that shape how you finish this year—and how you start the next one.
For many business owners, Q4 arrives with a familiar feeling:
Where did the year go?
Suddenly, there's pressure to hit revenue goals, finish projects, prepare for the holidays, close out the books, and somehow think about taxes.
But here's something I want every business owner to remember:
December 31 is not the time to start planning. It's the time to execute the plan.
You still have approximately 90 days to look at your numbers, make intentional decisions, and position your business for a stronger finish.
So, before Q4 gets away from you, here's your financial game plan.
1. Look at Your Full-Year Tax Picture
Don't wait until tax season to find out what your year actually looked like.
Pull your year-to-date financials and ask:
How does my income compare with what I expected?
Is my business more or less profitable than last year?
Have my expenses changed significantly?
Am I on track with my estimated tax payments?
Are there any major financial changes I need to discuss with my CPA?
Your numbers may look very different from what you projected at the beginning of the year.
That's not necessarily a bad thing.
It simply means your plan may need to change.
A Q4 tax-planning conversation can help you understand what you're likely to owe and identify legitimate strategies you may be able to implement before year-end.
And don't forget to consider your next estimated tax payment, which for many taxpayers is due early in the following year.
2. Review Your Retirement Strategy
Q4 is also a good time to look at retirement contributions.
Depending on your business structure and circumstances, options may include:
SEP-IRA
Solo 401(k)
SIMPLE IRA
Traditional IRA or other retirement accounts
Contribution rules, limits, and deadlines vary depending on the type of plan and your situation.
The important thing is not to wait until the last minute to ask:
“Should I be putting more toward retirement?”
Retirement planning can be part of a broader financial and tax strategy—not simply something you think about when you're older.
Talk with your tax and financial professionals about what makes sense for you.
3. Be Strategic About Major Purchases
Q4 can bring a temptation that many business owners know well:
“I need to buy something before year-end so I can get a tax deduction.”
But a tax deduction isn't a reason to spend money your business doesn't need to spend.
Instead, ask:
Would I make this purchase if there were no tax benefit?
If the answer is yes, then the timing may be worth discussing.
Equipment, technology, software, vehicles, and other business assets may have different tax treatment depending on what you're purchasing, when it's placed in service, and your specific tax situation.
Certain qualifying business purchases may also be eligible for deductions such as Section 179, subject to IRS rules and limitations.
The goal isn't to spend money simply to reduce your tax bill.
It's to make smart investments that support your business while understanding the tax implications.
4. Ask Whether Your Business Structure Still Makes Sense
Your business today may look very different from when you started it.
Maybe your revenue has grown.
Maybe you've hired employees.
Maybe your profitability has changed.
Maybe you're taking more money out of the business.
Or perhaps you've reached a point where your current structure no longer fits your goals.
Q4 is a good time to have a conversation with your CPA about whether your current entity structure still makes sense.
For some business owners, that may include discussing whether an S corporation election could be appropriate.
But this isn't a one-size-fits-all decision.
The right structure depends on your income, business activity, payroll situation, administrative costs, goals, and other factors.
Don't choose a structure because someone on social media told you it's the “best” one.
Have the conversation based on your numbers.
5. Get Your Books Ready for the New Year
Here's one of the simplest Q4 moves—and one that can make a huge difference:
Get your books caught up before December ends.
Don't carry a messy set of books into a brand-new year.
Before year-end, make sure:
☐ Bank accounts are reconciled
☐ Credit cards are reconciled
☐ Income is recorded correctly
☐ Expenses are properly categorized
☐ Outstanding invoices are reviewed
☐ Payroll records are accurate
☐ Owner draws/distributions are recorded correctly
☐ Major purchases are documented
Clean books don't just make tax preparation easier.
They give you a clearer picture of your business.
And when January arrives, you'll be starting with information you can actually use.
6. Schedule Your Year-End Planning Conversation
This might be the most important item on the list.
Don't wait until you're sitting across from your CPA in tax season to talk about strategy.
Tax preparation looks backward.
Tax planning looks forward.
A year-end planning conversation can help you review your current financial picture, identify potential tax implications, discuss major business decisions, and determine what actions may make sense before the year closes.
That's a very different conversation from:
“Here's your tax return. You owe $X.”
And proactive planning doesn't have to be complicated.
Sometimes it's simply about knowing your numbers early enough to make an informed decision.
Your Q4 Financial Checklist
Before the year comes to an end, ask yourself:
☐ Do I know where my business stands financially?
☐ Have I reviewed my projected tax liability?
☐ Am I on track with estimated tax payments?
☐ Have I considered my retirement strategy?
☐ Are there business investments I genuinely need to make?
☐ Does my current business structure still make sense?
☐ Are my books completely up to date?
☐ Have I scheduled a year-end planning conversation?
If you can check these boxes, you'll be heading into the new year with something far more valuable than a completed checklist:
Clarity.
Don't Wait for Tax Season to Think About Your Taxes
One of the biggest misconceptions about tax planning is that it happens when you file your return.
By then, many of the decisions that could have affected your tax situation have already happened.
That's why Q4 matters.
You still have time to review, adjust, and make intentional decisions.
Your business doesn't need another frantic December.
It needs a plan.
And that plan starts with understanding where you are today.
Finish the Year With Intention
The last 90 days of the year can feel busy.
But don't let busy become an excuse to ignore your financials.
Take a step back.
Look at the numbers.
Ask better questions.
Make the decisions that make sense for your business—not simply the decisions that create the biggest tax deduction.
And remember:
A strong financial year-end isn't about minimizing every dollar of tax.
It's about making smart decisions that support your profit, your goals, and the future of your business.
Q4 isn't just about closing the books. It's about making informed decisions for what's next.
If you're ready to plan with intention, we're ready to help.
👉 Visit www.kmtconsultingllc.com to connect with KMT Consulting, LLC.
