tax planning vs tax preparation

Tax Planning vs Tax Preparation: Why March Is Too Late

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Calendar marked ‘March – Too Late’ next to tax forms and calculator illustrating why a CPA cannot fix a bad 2025 tax year after year-end.
Most tax decisions are locked in after December 31. By March, tax filing is no longer a strategy session — it is a reporting exercise.

Tax planning vs tax preparation is the difference between shaping your tax outcome and simply reporting it.
Most tax decisions are locked in after December 31, making March tax filing a reporting process—not a strategy session.

If you want a deeper explanation of the difference between tax preparation and tax planning, start with our guide on business tax preparation vs tax planning.

Why can’t tax strategy be fixed after December 31?

This is the core distinction between tax planning vs tax preparation — planning changes outcomes before year-end, while preparation only reports what already happened.

Because most tax-saving strategies must be implemented before the year closes.

Once the calendar year ends, the IRS treats your financial activity as final. At that point, your CPA can only report the results accurately, not restructure them.

Key examples of what becomes fixed after year-end include:

  • Income timing: You cannot shift income to a different year once it has been earned and received.
  • Entity structure: You cannot retroactively change your entity type under IRS S-Corporation tax rules once the tax year has closed.
  • Retirement plan design: You cannot create new employer plans after year-end and apply them backward.
  • Depreciation strategy: You cannot change how assets were purchased or placed in service.
  • Payroll strategy: You cannot correct a missing reasonable salary after the year closes.

As a result, March tax work becomes historical reporting, not strategic planning.

What decisions are already locked in by tax season?

Your major tax drivers are determined by how your business operated during the year.

By the time tax documents arrive, the following decisions are already embedded in your return:

  • How your business was structured (sole prop, LLC, S-Corp, partnership)
  • How much you paid yourself versus distributions
  • When you recognized revenue
  • What expenses you documented and categorized
  • Whether assets were purchased strategically or reactively
  • Whether estimated payments matched actual liability

Each of these choices affects tax liability. However, none of them can be meaningfully changed during tax preparation.

For many business owners, choosing the right entity type—such as an S corporation—must be done early to take advantage of S-Corporation tax planning strategies.

Tax Planning vs Tax Preparation: What Your CPA Can Do in March?

Your CPA can optimize reporting but not redesign outcomes.

Tax preparation still adds value, even late in the cycle. However, the value comes from accuracy and compliance, not from strategy creation.

At this stage, your CPA can:

  • Ensure deductions are properly classified
  • Apply existing tax elections correctly
  • Catch missing documents or data errors
  • Verify depreciation and carryforwards
  • File extensions when needed
  • Prevent penalties and filing mistakes

These actions protect you from overpaying due to errors, but they cannot reduce tax caused by poor planning.

At this stage, your CPA can still ensure deductions are properly classified and returns are filed accurately through professional business tax preparation services.

Why does waiting create higher tax bills?

Because tax planning only works when there is still time to make different choices.

When business owners wait until filing season, they often discover:

  • They should have switched entity types earlier
  • They should have paid themselves differently
  • They should have timed income and expenses more intentionally
  • They should have created retirement plans sooner
  • They should have purchased equipment differently
  • They should have adjusted quarterly estimates

Unfortunately, realization does not create retroactive authority. The IRS measures behavior, not intention.

When does real tax planning actually happen?

Effective tax planning happens during the year, not after it ends.

Proactive tax planning focuses on future periods instead of past transactions.

This process typically includes:

  • Mid-year tax projections
  • Entity structure evaluations
  • Compensation strategy reviews
  • Asset purchase timing
  • Retirement contribution planning
  • Cash flow and estimated tax modeling
  • Multi-year tax forecasting

Each of these actions changes the numbers before they become permanent.

This principle applies equally to business owners and real estate investors who rely on real estate tax planning to manage depreciation and income timing.

Effective tax planning services focus on income timing, entity structure, and long-term strategy before deadlines pass.

I explain this timing difference in more detail in this short video on tax planning vs tax preparation, including why waiting until filing season limits what a CPA can actually change.

Bottom Line

  • Tax preparation reports history.
  • Tax planning shapes outcomes.
  • Once a tax year ends, most meaningful tax strategies expire with it.

Waiting until March limits your CPA to compliance instead of strategy.

How Madsen and Company Can Help

Madsen and Company provides both tax preparation and proactive tax planning for business owners, S-Corporation owners, and real estate investors.

We help clients:

  • Identify tax risks before year-end
  • Implement entity and compensation strategies
  • Project future tax liability
  • Coordinate business and personal tax planning
  • Use tax preparation as execution, not discovery

If you only need tax filing, we provide accurate, compliant returns.
If you want lower taxes going forward, we offer year-round tax planning and advisory services.

Schedule a tax planning consultation to see what can still be changed for the current year — and what should be done before this one closes.

Frequently Asked Questions

Can my CPA reduce my taxes after the year is over?

No, your CPA cannot implement most tax-saving strategies after the year closes.
They can apply existing rules correctly, but they cannot retroactively change income, structure, or timing decisions.

Is tax preparation the same as tax planning?

No, tax preparation reports results, while tax planning changes future results.
Preparation looks backward. Planning looks forward.

What is the best time to start tax planning?

The best time is before the year ends and preferably during the year.
Quarterly or mid-year reviews allow strategy adjustments while time remains.

Does this apply to small businesses only?

No, this applies to individuals, investors, and business owners.
Anyone with variable income, assets, or business activity benefits from proactive planning.

What if I already filed my return?

You can still plan for the next tax year even after filing.
Filing closes one chapter. Planning controls the next one.

Ready to stop guessing and start planning?
Tax preparation shows you what already happened. Tax planning helps you change what happens next.

Madsen and Company works with business owners to identify tax-saving opportunities before the year closes — not after the damage is done.

👉 Schedule a Tax Planning Consultation
👉 Start Tax Preparation

Why Your Tax Return Is Not a Financial Strategy

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Business tax planning concept showing a tax return on a desk with a calculator, clock, and blocks labeled “Plan” and “File,” illustrating that tax strategy comes before filing.
Tax preparation reports the past — tax planning shapes the future.

Most business owners treat their tax return like a report card. If the number looks “good,” they assume they made smart financial decisions.

But the real issue is tax preparation vs tax planning — and most people confuse the two. Your tax return doesn’t create strategy. It only reports what already happened.

By the time you prepare a return, every important tax decision for that year is already locked in.

That’s the difference between tax preparation and tax planning — and why confusing the two often costs more than necessary.

Prefer a quick explanation? This short video explains why tax preparation and tax planning are not the same thing — and why the difference affects how much you ultimately pay.

Tax Preparation Reports the Past

Tax preparation is compliance.
It answers one question:

“What do I owe based on what already happened?”

A tax return:

  • Records income and expenses
  • Applies existing tax law
  • Files required IRS forms
  • Looks backward at last year’s activity

It’s essential — but it’s not strategic.

At that stage:

  • Deductions can’t be created
  • Entity choices can’t be changed
  • Timing decisions are already over

Tax Planning Shapes the Future

Tax planning is forward-looking.

It answers a very different question:

“What decisions should I make now to legally reduce future taxes?”

Planning focuses on:

  • How to structure your compensation
  • Which entity structure fits your business
  • When to buy equipment
  • How to time income and expenses
  • How retirement contributions affect your taxes
  • Whether investments change your tax picture

As a result, this work happens before the year ends — not after forms are due.

Why Refunds and Low Bills Can Be Misleading

For example, a refund doesn’t mean your strategy worked.
It usually means you overpaid.

Likewise, a low tax bill doesn’t mean you optimized your structure.
It may mean you underreported income, misclassified expenses, or missed planning opportunities.

What really matters is:

  • How much tax you paid relative to what you could have paid
  • Whether your business structure matches your growth
  • Whether your cash flow supports your tax strategy
  • Whether your decisions were intentional — or accidental

The Cost of Treating Tax Filing as Strategy

When tax preparation becomes your only tax service, business owners often:

  • Choose the wrong entity type
  • Miss timing opportunities
  • Skip retirement strategies
  • Overpay self-employment tax
  • Trigger avoidable penalties
  • Discover problems after you close the year

Because of this, you can’t fix any of these once you file the return.

How Smart Business Owners Use Their Tax Return

Smart business owners use a tax return as a diagnostic tool, not as a strategy document.

It shows:

  • Where your business made money
  • Where your business triggered taxes
  • Where inefficiencies exist
  • What planning opportunities may exist next year

When you use last year’s return correctly, it helps guide next year’s decisions.

The Real Difference: Reaction vs. Control

This is the core difference in tax preparation vs tax planning: one records results, while the other shapes them.

Tax preparation reacts to results.
Tax planning controls outcomes.

One looks backward.
The other looks forward.

CPA Insight:

Most business owners don’t overpay taxes because they lack deductions — they overpay because key structural and timing decisions were never reviewed before year-end.

Both are necessary — but they are not the same service, and they do not produce the same value.

How Madsen and Company Approaches Tax Work

At Madsen and Company, tax preparation is the implementation step — not the strategy step.

We use:

  • Proactive tax planning
  • Ongoing advisory
  • Entity structure reviews
  • Cash-flow-aware tax strategy
  • Year-round decision support

So your tax return reflects deliberate choices, not surprises.

Frequently Asked Questions

What is the difference between tax preparation and tax planning?

Tax preparation focuses on accurately filing your tax return based on what already happened during the year. Tax planning focuses on making financial and business decisions ahead of time to legally reduce future tax liability. One looks backward; the other looks forward.

When should tax planning take place?

Tax planning is most effective before the end of the tax year, while there is still time to adjust income, expenses, compensation, and retirement contributions. Waiting until tax filing season limits the strategies that can be used.

Is tax planning only for large businesses?

No. Tax planning is valuable for small business owners, S-Corporation owners, and real estate investors at many income levels. Even modest changes in structure or timing can produce meaningful tax savings.

Can my CPA do both tax preparation and tax planning?

Some CPAs only provide tax preparation services. Others provide proactive tax planning and advisory services in addition to filing returns. It is important to ask whether your CPA offers year-round planning or only seasonal filing.

Why do I still owe taxes even when my return was prepared correctly?

A correctly prepared tax return reports what happened but does not change the tax outcome. Owing taxes usually means that income, structure, or timing decisions during the year created a higher tax liability than expected.

Does getting a refund mean my tax strategy worked?

Not necessarily. A refund usually means too much tax was withheld or paid during the year. A good tax strategy focuses on minimizing total tax owed legally, not creating large refunds.

What types of decisions are part of tax planning?

Tax planning includes decisions about business structure, compensation, retirement contributions, equipment purchases, timing of income and expenses, and how investments affect overall tax exposure.

How does tax planning help control future tax bills?

By making informed decisions before deadlines pass, tax planning helps align income, deductions, and structure in a way that reduces taxes legally and predictably rather than relying on last-minute adjustments.

Is tax planning still useful if my income changes year to year?

Yes. In fact, tax planning becomes more important when income fluctuates because strategies can be adjusted annually based on cash flow, growth, and investment activity.

How often should tax planning be done?

Tax planning should be reviewed at least annually and ideally throughout the year when major financial or business changes occur, such as starting a business, buying property, or changing entity structure.

Do I need tax planning if my books are handled by a bookkeeper?

Bookkeeping records transactions but does not determine tax strategy. Tax planning focuses on how those numbers are structured and reported for tax purposes.

What is the first step to getting proactive tax planning?

The first step is reviewing your most recent tax return and financial activity to identify planning opportunities and areas where decisions could be improved going forward.

Final Thought

If your only tax service is preparing a return, your tax outcome is mostly accidental.

In the debate of tax preparation vs tax planning, real tax strategy starts before the year begins — and works while the year is still in progress.

Your tax return should confirm your plan.
Not become your plan.

Ready to move beyond reactive tax filing?

If you’re a business owner who wants more control over your tax outcome — not just a number on a form — proactive tax planning can make the difference.

👉 Schedule a Tax Planning Consultation

Proactive Tax Planning for Small Business Owners: A Complete Guide

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Written by Steve Madsen, CPA — licensed since 1993.

Proactive tax planning tools on a desk, including a tax strategy document, calculator, calendar, and money for small business owners.
Visual representation of proactive tax planning strategies for small business owners, including timing, structure, and financial decision-making.

Proactive tax planning helps small business owners reduce taxes before filing season by making intentional financial and structural decisions throughout the year.

This proactive approach is the foundation of our business tax planning and advisory services, where strategy is built before deadlines pass — not after.

For Utah-based small business owners, proactive tax planning often affects both federal and state tax outcomes, making timing and structure especially important.

Unlike tax preparation, which reports what already happened, tax planning shapes what happens next.
For most business owners, waiting until tax season is the main reason they miss legal tax-saving opportunities.

CPA Insight:
The biggest tax savings for small business owners are created by decisions made before year-end — not by adjustments made when a return is already being prepared.
Proactive tax planning is most effective when it influences decisions before money moves — not when it reacts to results after the year ends.

What Is Proactive Tax Planning for Small Business Owners?

Proactive tax planning means using the tax code strategically before year-end to influence your future tax outcome. In other words, it’s about decisions you make during the year, not after it’s over.

Key elements include:

  • Evaluating your business structure to match your income level
  • Timing income and expenses intentionally
  • Coordinating retirement contributions with tax goals
  • Using depreciation and credits legally and efficiently
  • Modeling outcomes before making financial moves

As a result, tax planning turns taxes into a managed variable instead of a surprise bill.

Why Is Tax Season the Worst Time to Start Tax Planning?

Tax season is too late because most tax-saving opportunities depend on actions taken earlier in the year. Once December 31 passes, many options are no longer available.

Common limitations during tax season:

  • Entity structure changes are no longer retroactive
  • Income timing decisions are already locked in
  • Missed retirement planning opportunities cannot be recreated
  • Equipment purchases may no longer qualify for optimal treatment

Therefore, tax preparation can only report results—it can’t improve them.

For many Utah-based small business owners, waiting until tax season can also affect state-level cash flow planning and estimated tax requirements.

CPA Insight:

Tax planning only works before the calendar does

From a CPA’s perspective, the biggest tax savings come from decisions made during the year, not from forms filed after it ends.


Most business owners misunderstand this because tax preparation feels like the moment taxes are “handled,” even though it only documents what already happened.


The real-world consequence is that clients often discover missed deductions, missed elections, or missed structure changes when it’s already too late to fix them.


Instead, business owners should treat tax planning as an ongoing strategy tied to income, cash flow, and major decisions—not a last-minute event at filing time.

Who Benefits Most from Tax Planning for Small Business Owners?

Business owners with variable or growing income benefit most from proactive tax planning. Planning is especially valuable for:

  • S corporation owners managing salary and distributions
  • Self-employed professionals with rising profits
  • Real estate investors using depreciation strategies
  • Short-term rental owners with complex deductions
  • High-income households with multiple income sources

In each case, planning helps align financial decisions with tax efficiency.

What Are the Core Small Business Tax Planning Strategies?

Core tax planning strategies focus on structure, timing, and classification of income and expenses. Common strategies include:

  • Choosing the right entity type (sole proprietor, LLC, S corporation)
  • Optimizing retirement contributions for tax deferral or tax-free growth
  • Managing depreciation through Section 179 or bonus rules
  • Coordinating income recognition with expected tax brackets
  • Applying business credits when available and appropriate
  • Using legally permitted special rules such as accountable plans or home office methods

However, strategies must be tailored to each business to remain compliant.

When Should Business Owners Do Proactive Tax Planning?

Tax planning should occur before year-end and whenever major financial changes happen. The best timing typically includes:

  • A mid-year review to adjust course
  • A late-year strategy session before December
  • Planning after significant income changes
  • Planning before large purchases or investments
  • Planning when adding partners or changing payroll

As a result, planning becomes part of ongoing business management rather than a one-time event.

How Is Small Business Tax Planning Different from Business Tax Preparation?

Tax planning is forward-looking, while tax preparation is backward-looking. The distinction matters:

Tax Planning:

  • Focuses on strategy and forecasting
  • Influences future tax outcomes
  • Advisory in nature

Tax Preparation:

  • Focuses on reporting and compliance
  • Records past activity
  • Procedural in nature

Together, they work best when integrated rather than separated.

What Mistakes Do Business Owners Make Most Often?

The most common mistake is assuming tax preparation equals tax strategy. Other frequent mistakes include:

  • Waiting until March or April to ask tax questions
  • Choosing a business structure based on internet advice
  • Ignoring quarterly estimates and cash flow impact
  • Overemphasizing deductions without understanding risk
  • Treating bookkeeping as tax planning

Consequently, these mistakes usually result in higher taxes over time.

Bottom Line: Why Proactive Tax Planning Matters for Small Business Owners

Proactive tax planning allows business owners to influence their tax outcome before deadlines pass. Tax preparation alone cannot replace strategy because it only reports what already occurred. The earlier planning begins, the more options remain available.

How Madsen and Company Helps with Small Business Tax Planning

Madsen and Company provides proactive tax planning and tax preparation for business owners, S corporation owners, and real estate investors.

Our approach includes:

  • Year-round advisory instead of once-a-year filing
  • Scenario modeling before decisions are made
  • Strategy-driven tax preparation
  • Virtual-first service for nationwide clients

If you want tax preparation that reflects intentional strategy—not last-minute outcomes—professional planning is essential.

Ready to take control of your tax strategy? Schedule a tax planning consultation or begin your tax preparation process to ensure your return reflects deliberate financial choices rather than missed opportunities.

Frequently Asked Questions

What is proactive tax planning?

Proactive tax planning is the process of making financial and business decisions in advance to legally reduce future tax liability.

When should I start tax planning?

Tax planning should start as soon as income becomes predictable and should be revisited before year-end or major financial changes.

Is tax planning only for high-income earners?

Tax planning benefits any business owner with variable income, but it becomes increasingly valuable as income rises.

Can a CPA do both tax planning and tax preparation?

Yes. A CPA can provide tax planning to shape outcomes and tax preparation to ensure accurate filing.

How much can tax planning save?

Savings vary by situation, but effective planning often prevents avoidable overpayment by aligning business structure and timing with tax rules.

Does proactive tax planning replace tax preparation?

No. Tax planning and tax preparation work together. Planning shapes decisions during the year, while preparation ensures those decisions are reported accurately and compliantly.

Specific tax planning strategies for small businesses

Why timing matters in tax planning

Planning ahead of March filing deadlines

Why tax planning must happen before filing

Planning major deductions before year-end

Next Steps
If you want your tax return to reflect intentional planning instead of last-minute outcomes, the process needs to start before deadlines pass. Madsen and Company provides both proactive tax planning and tax preparation for business owners, S corporation owners, and real estate investors. To move forward, schedule a tax planning consultation or begin your tax preparation process so your filings align with deliberate financial decisions rather than missed opportunities.

👉 Schedule a Proactive Tax Planning Review

👉 Start Tax Preparation

Why Tax Preparation Is Too Late for Business Owners (And What to Do Instead)

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why tax preparation is too late for business owners

Most business owners assume their CPA helps them reduce taxes when the tax return is prepared. In reality, by the time tax preparation begins, most of the important tax decisions for the year have already been made. Once the calendar year closes, many of the strategies that could have reduced taxes are no longer available.

Quick Answer

Tax preparation is usually too late to meaningfully reduce taxes because most tax-saving decisions must be made before the end of the year. By the time a CPA prepares the return, they are primarily reporting what already happened. Tax planning is where strategies are evaluated and implemented before deadlines pass.

CPA Insight:

Tax returns document decisions that already happened. They do not create new tax-saving opportunities once the year is over.

This distinction is why proactive planning is central to our business tax planning and advisory services, where decisions are evaluated before deadlines pass — not after returns are already being prepared.

This is where many business owners unknowingly overpay taxes year after year.

Much of the confusion comes from not understanding the difference between tax preparation and tax planning.

For a full explanation of how tax preparation and tax planning differ, see our guide on business tax preparation vs tax planning.

For a deeper explanation, see our guide on business tax preparation vs tax planning.

What Tax Preparation Actually Is

Tax preparation is compliance work.

Its purpose is to accurately report what already happened and file the required forms with the IRS and state agencies.

Tax preparation generally includes:

  • Preparing and filing tax returns
  • Reporting income and deductions based on past activity
  • Applying elections that are still available at filing time
  • Ensuring accuracy and compliance

Tax preparation is essential—but it is historical. It looks backward.

CPA Insight:
Tax preparation ensures compliance. Tax planning determines outcomes. Confusing the two is one of the most common reasons business owners overpay taxes.

By the time your CPA is preparing your return, they are limited to reporting decisions that were already made, whether intentional or not.

What Tax Preparation Is Not

This is where expectations often break down.

Tax preparation does not:

  • Change how much salary you paid yourself
  • Restructure your entity after the year ends
  • Retroactively time income or expenses
  • Redesign depreciation strategies
  • Fix missed retirement or health planning opportunities

Once the calendar year closes, most high-impact tax strategies are no longer available.

What Tax Planning Actually Does

Tax planning is strategic and proactive.

It happens before and during the year—not after it ends.

Tax planning focuses on shaping your tax outcome intentionally, rather than reporting it after the fact.

Tax planning may include:

  • Entity structure optimization
  • S-corporation salary vs. distribution analysis
  • Timing of income and expenses
  • Depreciation and asset strategy
  • Retirement contribution planning
  • Health insurance and reimbursement strategy
  • Multi-year tax projections

Good tax planning doesn’t rely on loopholes. It relies on timing, structure, and informed decision-making.

Tax Preparation vs. Tax Planning (Side-by-Side)

Tax PreparationTax Planning
Looks backwardLooks forward
Reports resultsShapes results
Compliance-focusedStrategy-focused
Happens once a yearHappens year-round
Limited savings potentialOften five-figure savings
ReactiveProactive

This difference explains why tax planning fees often feel higher — but frequently produce substantially lower lifetime taxes.

Who Tax Planning Is Best For

Tax planning is not necessary for everyone. It delivers the most value when income and decisions are complex.

Tax planning is typically ideal for:

If your tax situation involves decisions—not just reporting—planning usually pays for itself many times over.

Who Probably Does Not Need Tax Planning

We believe clarity builds trust.

Tax planning may not be a good fit if:

  • Your income is strictly W-2
  • You do not own a business or rental property
  • Your tax situation rarely changes year to year
  • You are mainly focused on filing accurately at the lowest cost

In those cases, high-quality tax preparation alone may be sufficient.

Why Timing Matters More Than Most People Realize

CPA Insight:
Many tax-saving strategies must be implemented before December 31. Once the year ends, the tax return simply records the outcome of those decisions.

Why planning must happen before year end becomes obvious when you understand how many high-impact tax strategies must be decided before December 31.

Many high-impact strategies must be decided before December 31, including:

  • S-corp salary decisions
  • Bonus depreciation elections
  • Retirement contributions
  • Accountable plan reimbursements
  • Income acceleration or deferral

Once the year ends, the tax return simply documents what already happened.

That’s why trying to “fix it on the tax return” is often impossible.

The Bottom Line

The reason why tax preparation is too late is simple: tax returns report decisions, they don’t create them.

Tax preparation tells you what you owe.
Tax planning helps determine what you should owe.

CPA Insight:
The most expensive time to ask for tax advice is after the return is being prepared. By then, strategy has already been replaced by reporting.

If you only speak with your CPA once a year, you are likely making tax decisions unintentionally—and paying more than necessary as a result.

Tax planning isn’t about aggressive tactics.
It’s about making informed decisions before it’s too late.

Want to Know If Tax Planning Makes Sense for You?

If you own a business, real estate, or have rising income, proactive tax planning may be one of the highest-ROI decisions you can make.

The right tax strategy begins before the return is prepared — while decisions can still be changed.

Frequently Asked Questions

What is the main difference between tax preparation and tax planning?

Tax preparation focuses on accurately filing tax returns based on what already happened during the year. Tax planning focuses on making proactive decisions before and during the year to legally reduce taxes. In short, tax preparation reports results, while tax planning shapes them.

Is tax planning worth the cost for small business owners?

For many small business owners, yes. Tax planning often identifies savings opportunities related to entity structure, payroll strategy, depreciation, retirement contributions, and timing of income and expenses. When income exceeds a certain level or involves a business or rental activity, the tax savings from planning frequently exceed the cost of the service.

Can my CPA still help me reduce taxes if it’s already tax season?

Once the year has ended, most major tax-saving opportunities are no longer available. During tax season, a CPA can ensure accurate reporting and apply any remaining elections, but they generally cannot change key decisions such as salary levels, entity structure, or timing of income. That’s why proactive planning before year-end is critical.

When should business owners start tax planning?

Business owners should begin tax planning well before the end of the year, often during the third or fourth quarter. Planning earlier allows time to adjust salary levels, retirement contributions, asset purchases, and other strategies that can reduce taxes before the year closes.