How Much Can a SEP IRA Reduce My Taxes?

A SEP IRA (Simplified Employee Pension) is a powerful tax-advantaged retirement plan that can slash your tax bill while building wealth for the future. If you’re self-employed or own a small business, a SEP IRA lets you deduct up to $72,000 from your taxable income in 2026 (up from $70,000 in 2025). That means more money stays in your pocket today while you save for tomorrow. Here’s how this retirement account can dramatically reduce what you owe the IRS.

Understanding SEP IRAs’ Tax-Advantaged Status

A SEP IRA is what we call “tax-advantaged,” which means it comes with special benefits that help you keep more money. Here’s how it works:

Pre-Tax Contributions

When you contribute to a SEP IRA, you use pre-tax dollars. This means the money goes into your retirement account before the IRS takes its cut.

Let’s say you earn $100,000 this year. Without a SEP IRA, you’d pay taxes on the full $100,000. But if you contribute $25,000 to your SEP IRA, your taxable income drops to just $75,000. You only pay taxes on $75,000, saving thousands right now.

Tax-Deferred Growth 

Once your money is in the SEP IRA, it grows without yearly tax bills. Any interest, dividends, or investment gains stay in your account and keep working for you. Compare this to a regular investment account where you’d pay taxes every year on earnings.

Over time, this tax-deferred growth makes a huge difference. Your money compounds faster because you’re not losing a chunk to taxes each year.

Why “Tax-Advantaged” Matters

The tax-advantaged nature of SEP IRAs gives you three major benefits:

1. Lower your tax bill today through deductible contributions
2. Let your money grow faster without annual tax drag
3. Control when you pay taxes (in retirement, when your income might be lower)

This triple advantage makes SEP IRAs one of the best tax-saving tools available to business owners and self-employed professionals.

How Much Can a SEP IRA Reduce My Taxes?

Many business owners ask: “What will this actually save me?” Let’s break down the real tax savings with concrete examples.

Example 1: Freelance Consultant

Meet Sarah, a freelance marketing consultant who earned $80,000 in net self-employment income in 2025.

• Without SEP IRA: Pays taxes on the full $80,000
• With $20,000 SEP contribution:
  • Taxable income: $60,000
  • Federal tax savings (24% bracket): $4,800
  • Self-employment tax savings: ~$1,530
  • Total tax reduction: $6,330

Sarah keeps an extra $6,330 by making a retirement contribution she’d want to make anyway.

Example 2: Small Business Owner

Meet David, a business owner with $150,000 in net income.

• Without SEP IRA: Pays taxes on $150,000
• With $30,000 SEP contribution:
  • Taxable income: $120,000
  • Federal tax savings (24% bracket): $7,200
  • Self-employment tax savings: ~$2,295
  • Total tax reduction: $9,495

David’s retirement contribution saves him nearly $10,000 in taxes.

Example 3: High-Income Professional

Meet Jennifer, a physician earning $350,000 through her medical practice.

• Without SEP IRA: Pays taxes on $350,000
• With $70,000 SEP contribution (2025 max):
  • Taxable income: $280,000
  • Federal tax savings (35% bracket): $24,500
  • Self-employment tax savings: ~$5,355
  • Total tax reduction: $29,855

Jennifer cuts her tax bill by nearly $30,000 while building retirement wealth.

The Formula for Your Savings

To estimate your tax reduction:

1. Calculate your contribution (up to 25% of compensation or $72,000 for 2026)
2. Multiply by your tax rate (typically 22-35% for small business owners)
3. Add self-employment tax savings (roughly 7.65% of contribution)

Quick Reference: Tax Savings by Income Level

*Includes federal income tax and self-employment tax savings. Actual savings vary based on your specific tax situation.

How Does a SEP IRA Reduce Taxes and Boost Your Retirement Savings?

Here’s a brief understanding of how SEP IRA works and how it is different from other retirement plans

• 

  Taxes on a Regular 401(k)

  Since a SEP IRA is funded with pre-tax dollars, investment income is tax-deferred. Interest, dividends and capital gains from funds held within the retirement account are not included in your annual taxable income, and you only pay taxes on distributions.

  With tax-protected reinvestment and compound interest, your retirement fund can grow much larger in the long run. This is especially important when you’re self-employed or don’t have an employer-sponsored pension plan at work.

• 

  Business Expense Deductions

  Contributions to a SEP IRA contributions count as business expenses, which helps to reduce net profit and taxable income for the business

  • For self-employed professionals and business owners contributing to their own SEP IRA, adjusted gross income and federal income tax are lower.
  • For self-employed individuals or small business owners contributing to their employees’ SEP IRA, both self-employment tax and income tax are reduced.
  • For corporations contributing to employee SEP IRAs, income tax is lower and contributions are exempt from Medicare and Social Security taxes.
• 

  Setup and Funding Dates

  Unlike a traditional IRA and other retirement plans, an SEP IRA can be adopted and funded after the close of the tax year, right up to the tax return due date and any extensions that apply.

  The current year’s business expenses can be included in the previous year’s tax return if needed. This helps you decide how much to contribute based on your current financial condition, as well as spread out contributions over a longer period for more effective budgeting.

SEP IRA Contribution Limits: 2025 and 2026 

Understanding contribution limits is crucial for maximizing your tax deduction. Here are the current limits:

2025 Tax Year:

• Maximum contribution: $70,000
• Percentage limit: 25% of employee compensation
• Compensation cap: $350,000
• For self-employed: ~20% of net self-employment income

2026 Tax Year:

• Maximum contribution: $72,000
• Percentage limit: 25% of employee compensation
• Compensation cap: $360,000
• For self-employed: ~20% of net self-employment income

Why the 20% vs 25% Difference?

If you’re self-employed, you might wonder why you hear both 20% and 25%. Here’s the explanation:

The IRS says you can contribute “25% of compensation,” but for self-employed individuals, the calculation is trickier. Your “compensation” equals your net earnings after deducting:

• Your business expenses
• Half of your self-employment tax
• The SEP contribution itself

Because of this circular calculation, the effective rate works out to about 20% of your net profit, which equals 25% of your reduced compensation. Confusing, right? That’s why many business owners work with a tax professional or use the IRS worksheet in Publication 560.

How Much Income Do You Need to Max Out?

To contribute the maximum:

• 2025: Need approximately $350,000 in compensation
• 2026: Need approximately $360,000 in compensation

If you earn less, you can still contribute up to 25% of your compensation (or ~20% of net self-employment income).

Contribution Deadline

Unlike 401(k)s, which must be set up by December 31, SEP IRAs have a generous deadline:

• Tax filing deadline for your business (including extensions)
• For most sole proprietors: April 15, 2026, for 2025 contributions
• With extension: October 15, 2026, for 2025 contributions

This flexibility lets you see your actual yearly income before deciding how much to contribute.

What to Think About Before Choosing a SEP?

SEP IRA tax deduction and other benefits make it an ideal choice, especially for self-employed and small business owners. However, there are certain aspects that you should keep in mind before going ahead with it. They are

• Compare the SEP with other retirement plans for small businesses like 401(k) and SIMPLE plans.
• Determine which employees must be covered by the SEP plan (detailed in Publication 560).
• Compare the effects of each type of plan by speaking with a tax expert for assistance.
• Read Publication 560’s chapter 2. The IRS very clearly explains simplified employee pension schemes in it.
• Examine the financial institutions that handle SEP plan administration. Review their documentation, expenses, and investment opportunities.
• Know the maximum amount you could put into a SEP IRA.
• Read the sample SEP plan (Form 5305-SEP), or other sample plans that the financial institution of your choosing may offer.
• Recognize the influence of donations on your tax calculations and how they will be deducted from your income on the tax return.
• Review the information that must be disclosed to employees (also detailed in Publication 560).

How to Establish a SEP IRA?

Establishing a SEP IRA is relatively simple if you believe it is the right choice for your business. These are the steps

1. Complete the Paperwork

   Firstly, complete the necessary formal agreement documents, such as the IRS Form 5035-SEP, or alternative IRS-approved paperwork or individual legal agreement documentation. The paperwork should be kept on file at the company as the official notification for all eligible employees rather than being sent to the IRS.

2. Disseminate Plan Details to all Eligible Personnel

   According to SEP IRA regulations, employers must provide the same percentage contribution of each qualifying employee’s salary. Employees can get the details by giving them a copy of IRS Form 5035-SEP or equivalent documentation that outlines eligibility requirements, contribution amounts, and how to access and manage their accounts.

3. Pick a SEP IRA Provider & Create Accounts for Each Qualified Employee

   Opening separate accounts for you and your staff with a SEP IRA account provider can be beneficial. It’s important to review different providers, as various investment alternatives, price schedules, and account minimums are available. Once you decide on the provider that suits your needs, you can request them to open each account you require.

Planning Your 2026 SEP IRA Strategy 

Looking ahead to 2026, smart tax planning means thinking about your SEP IRA contributions now. Here’s how to maximize your tax deduction for the upcoming year.

Key 2026 Changes

• Contribution limit increases to $72,000 (up from $70,000 in 2025)
• Compensation cap increases to $360,000 (up from $350,000)
• Traditional IRA limits also increased to $7,500 (or $8,600 if 50+)

Strategy 1: Project Your Income Early

Don’t wait until April 2027 to think about your 2026 contribution. Project your income quarterly:

Q1 (Jan-Mar 2026): Review 2025 financials, estimate 2026 revenue Q2 (Apr-Jun 2026): Adjust projections, consider mid-year contribution Q3 (Jul-Sep 2026): Fine-tune estimates, plan for year-end Q4 (Oct-Dec 2026): Final projection, prepare to act in early 2027

This planning helps you set aside money throughout the year rather than scrambling for cash at tax time.

Strategy 2: Use the New Limits to Your Advantage

The $2,000 increase in contribution limits means:

• $2,000 more in tax deductions
• At 32% tax rate: $640 additional federal tax savings
• Plus state tax savings and SE tax reduction

If you maxed out in 2025, plan to max out in 2026 too. That’s an automatic extra $640-$1,000 in tax savings without changing your strategy.

Strategy 3: Coordinate with Other Life Events

Planning to hire employees in 2026? Remember: You must contribute the same percentage for all eligible employees. Factor this cost into your hiring budget.

Expecting higher income in 2026? You might hit the new $360,000 compensation cap, allowing you to contribute the full $72,000 maximum.

Considering retirement in 2026? You can still contribute to a SEP IRA even if you plan to retire mid-year. Any self-employment income qualifies.

Strategy 4: Estimate Your Tax Bracket

Your tax bracket determines your savings from SEP contributions. Projected 2026 tax brackets for single filers:

• 12%: $11,600-$47,150
• 22%: $47,150-$100,525
• 24%: $100,525-$191,950
• 32%: $191,950-$243,725
• 35%: $243,725-$609,350
• 37%: Over $609,350

If you’re near a bracket threshold, a SEP contribution might drop you to a lower bracket, amplifying your savings.

Example: Income of $192,000 puts you in the 32% bracket by $50. A $10,000 SEP contribution:

• Saves $2,400 at 24% rate (for $9,950)
• Saves $16 at 32% rate (for $50)
• Total federal tax saved: $2,416
• Plus SE tax savings: ~$765
• Total savings: $3,181

Strategy 5: Cash Flow Management

Plan your 2026 cash flow to accommodate your contribution:

Monthly Setting Aside Method: If you plan to contribute $72,000 for 2026, set aside $6,000/month throughout the year. When tax time comes in April 2027, you’ll have the money ready.

Quarterly Estimated Tax Adjustment: Reduce your 2026 quarterly estimated tax payments to account for your planned SEP contribution. This frees up cash during the year.

Strategy 6: Consider Making Early Contributions

While you can wait until April 2027 to fund your 2026 SEP IRA, contributing during 2026 has advantages:

• Earlier investment growth and compounding
• Better cash flow management
• Less last-minute scrambling
• Lock in investments at potentially better prices throughout the year

Common SEP IRA Tax Mistakes (And How to Avoid Them)

Even with the best intentions, business owners sometimes make errors that cost them deductions or trigger IRS penalties. Here are the most common mistakes and how to avoid them.

Mistake 1: Contributing More Than Allowed

The most common error is overcontributing. If you put in more than the 25% limit or exceed the annual maximum, you’ll face a 6% excise tax on the excess every year until you fix it.

How to Avoid:

• Use the IRS worksheet in Publication 560
• Remember: For self-employed, it’s ~20% of net earnings, not gross revenue
• When in doubt, consult a tax professional before making your contribution

Mistake 2: Missing Eligible Employees

IRS rules require you to contribute to all eligible employees. Missing even one employee can disqualify your entire deduction.

How to Avoid:

• Include all employees who meet the eligibility criteria (typically: age 21+, worked 3 of last 5 years, earned $750+ in 2024-2025)
• Contribute the same percentage for everyone
• Document eligibility decisions in writing

Mistake 3: Contributing 25% of Gross Instead of Net

Some self-employed individuals mistakenly calculate 25% of their gross revenue instead of net self-employment income. This leads to massive overcontributions.

How to Avoid:

• Start with net profit from Schedule C
• Subtract half of the self-employment tax
• Calculate the contribution as ~20% of this reduced amount
• Or use the specific IRS worksheet to be exact

Mistake 4: Missing the Contribution Deadline

While SEP IRAs have flexible deadlines, you must fund them by your tax return due date (including extensions). Missing this deadline means losing that year’s deduction forever.

How to Avoid:

• Mark your calendar with your tax filing deadline
• If you file an extension, note that extended deadline too
• Make the contribution before finalizing your tax return

Mistake 5: Forgetting to Deduct Self-Employment Tax First

The self-employment tax deduction (half of your SE tax) reduces your net earnings before calculating the SEP contribution. Forgetting this step inflates your contribution calculation.

How to Avoid:

• Always deduct 50% of self-employment tax first
• Then calculate your SEP contribution
• Follow the IRS Publication 560 worksheet step-by-step

Mistake 6: Not Keeping Proper Documentation

The IRS doesn’t require you to file Form 5305-SEP, but you must keep it in your records. Without proper documentation, your deduction could be challenged.

How to Avoid:

• Keep Form 5305-SEP or your plan agreement in permanent files
• Save contribution receipts and bank statements
• Provide each employee with the required disclosure documents
• Maintain records for at least 7 years

If You Make a Mistake

Don’t panic. The IRS has correction programs for most retirement plan errors. If you discover a mistake:

1. Correct it as soon as possible
2. If it’s a contribution error, work with your SEP provider to fix it
3. Consider filing through the IRS’s Employee Plans Compliance Resolution System (EPCRS)
4. Consult a tax professional for significant errors

Fixing mistakes quickly usually results in smaller penalties than letting them persist.

SEP IRA vs. Other Tax-Advantaged Retirement Accounts

Understanding how SEP IRAs compare to other retirement options helps you choose the best tax strategy for your situation.

SEP IRA vs. Traditional IRA

The Verdict: If you’re self-employed or own a business, a SEP IRA provides dramatically larger tax deductions. A traditional IRA works better as a supplement if you’re already maxing out other accounts.

SEP IRA vs. Solo 401(k)

The Verdict: Solo 401(k)s allow higher total contributions if you can afford them, but SEP IRAs win on simplicity and deadline flexibility. If you have employees, SEP IRAs are usually more practical.

SEP IRA vs. SIMPLE IRA

The Verdict: SEP IRAs give employers more flexibility since contributions are discretionary. SIMPLE IRAs engage employees more since they can contribute their own money.

Can You Have Multiple Accounts?

Yes! You can combine different retirement accounts to maximize tax benefits:

• SEP IRA + Roth IRA: Contribute up to $72,000 to your SEP IRA, plus $7,500 to a Roth IRA
• SEP IRA + 401(k) from Day Job: Max out employer 401(k), then add SEP contributions from self-employment income (combined limit: $72,000 total across both)
• SEP IRA + Traditional IRA: You can have both, but SEP contributions may limit your traditional IRA deduction if income exceeds certain thresholds

Tax Strategy Tip: Use your SEP IRA for the immediate tax deduction, and a Roth IRA for tax-free growth. This combination covers both present tax savings and future tax-free withdrawals.

FAQs

If you are still confused, it’s recommended that you speak to a financial expert. Call Rick now!