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BusinessSep 9, 2026 · 8 min read

Your Couch Cushions Aren't a Retirement Plan. Here Are Better Options.

Running a business is hard work. Saving for retirement shouldn't be. Let's cut through the jargon and find the right plan for you, from SEP IRAs to Solo 401(k)s.

A small, healthy plant growing from a pile of coins on a wooden desk, symbolizing growth and savings.

Small business owners can save for retirement using plans like a SEP IRA, SIMPLE IRA, or Solo 401(k). Each offers tax-deferred growth and deductions for contributions, but they have different rules, contribution limits, and administrative burdens. The best choice depends on your income, business structure, and whether you have employees.

Key Takeaways

  • Small business retirement plans offer significant tax advantages, including deductions for contributions.
  • The most common options are the SEP IRA, SIMPLE IRA, and Solo 401(k).
  • A SEP IRA is flexible and easy to set up, ideal for self-employed individuals or businesses with inconsistent cash flow.
  • A SIMPLE IRA is for businesses with under 100 employees and requires employer contributions, but is straightforward to administer.
  • A Solo 401(k) is a powerful tool for owner-only businesses, allowing for the highest possible contribution amounts as both 'employee' and 'employer'.
  • Choosing the right plan is critical. What works for a solo freelancer won't work for a business with ten employees.

Why Bother With a Formal Retirement Plan?

As a business owner, nobody is setting up a 401(k) for you. You're the boss, the employee, and the HR department. If you don't take charge of your retirement savings, no one will. Relying on the eventual sale of your business is a gamble, not a plan. A formal retirement plan does two crucial things: it forces a savings discipline and it provides a massive, immediate tax break. Every dollar you contribute is a dollar you don't pay income tax on today. It’s one of the best deals the tax code offers.

The SEP IRA: Simple and Flexible

The Simplified Employee Pension (SEP) IRA is a favorite for a reason. It’s incredibly easy to open and maintain, with minimal paperwork. You can decide how much to contribute each year, or even skip contributions in a lean year, making it perfect for freelancers and businesses with fluctuating income.

You contribute as the 'employer' to the SEP IRAs of yourself and any eligible employees. The contribution limit is a high percentage of your compensation. The main drawback? If you have employees, you must contribute the same percentage of their salary as you do for yourself. This can get expensive fast.

The SIMPLE IRA: For Growing Teams

The Savings Incentive Match Plan for Employees (SIMPLE) IRA is designed for small businesses with up to 100 employees. It's more structured than a SEP IRA but less complex than a traditional 401(k). Employees can contribute from their paychecks, and the employer is required to make a contribution, either by matching a portion of the employee's contribution or by contributing a flat percentage for everyone.

This mandatory employer contribution is the key feature. It’s a great way to offer a valuable benefit to attract and retain talent, but it's a commitment you need to be able to afford every year. Contribution limits for both employee and employer are lower than with a SEP or 401(k).

The Solo 401(k): The Power Plan for Solopreneurs

If your business has no employees other than you and your spouse, the Solo 401(k) is often the best choice. It allows you to contribute in two ways: as the 'employee' and as the 'employer'. This dual contribution structure lets you sock away a significant amount of money, often more than with a SEP IRA on the same income.

Many Solo 401(k) plans also allow for Roth contributions (post-tax) as the employee and permit loans, features not available with SEP or SIMPLE IRAs. The administrative burden is slightly higher than a SEP, but for a high-earning solo operator, the extra contribution room is usually worth the effort.

Comparing the Plans: A Quick Guide

  • **Best for Solo, High Income:** Solo 401(k). It generally allows the highest contributions.
  • **Best for Solo, Easy Setup:** SEP IRA. The simplest to open and fund, especially if you're starting late in the year.
  • **Best for Small Teams (under 100):** SIMPLE IRA. Structured, offers a great employee benefit, but requires mandatory employer funding.
  • **Best for Business with Employees (and high revenue):** SEP IRA, but only if you're prepared to contribute the same high percentage for your team.

Contribution Deadlines You Can't Miss

This isn't something to put off. For SEP IRAs and Solo 401(k) employer contributions, you generally have until your business tax filing deadline (including extensions) to fund the plan for the prior year. However, the Solo 401(k) *plan itself* must be established by December 31st to make contributions for that tax year. SIMPLE IRAs have even stricter deadlines, typically needing to be set up by October 1 for the current year. Don't wait until the last minute.

Frequently Asked Questions (FAQ)

**Can I have a Solo 401(k) and a Roth IRA?** Yes. Your ability to contribute to a personal IRA (Traditional or Roth) is separate from your small business retirement plan. They are governed by different rules and contribution limits. It's entirely possible to max out both, depending on your income.

**What happens to my Solo 401(k) if I hire my first employee?** Once you hire a full-time employee (who is not your spouse), you can no longer contribute to a Solo 401(k). You'll have to either terminate the plan or convert it to a standard 401(k), which involves much more complex administration and compliance rules. This is a crucial planning point as your business grows.

**How much can I *really* contribute?** It's a moving target based on your age, income, and business profitability. The IRS adjusts the limits annually. A Solo 401(k) lets you contribute as both employee and employer, while a SEP IRA contribution is based on a percentage of your net adjusted self-employment income. The calculation isn't always straightforward; it’s one of the key areas where professional tax advice is invaluable.

What to Do Next

Choosing and funding a retirement plan is one of the most important financial decisions you'll make as a business owner. The rules are complex, and the 'best' plan depends entirely on your unique situation. This isn't a DIY project. Get it right, and you’ll save on taxes while building a secure future. Get it wrong, and you could face penalties or miss out on years of growth.

Stop guessing. Call the team at My Tax Fella at 718-356-5178 to book an appointment. We'll analyze your business and help you understand the right retirement strategy for your goals.

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Questions about your own situation? Book an appointment with the My Tax Fella team.

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