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401(k) plans: A strategic guide for small business employers - Article


What is a 401(k) plan? A workplace retirement savings plan that allows employees to contribute a portion of their salary, often with employer matching. Contributions are typically tax-deferred, and the funds grow over time, helping employees save for retirement.


Running a small business comes with its own set of challenges, but offering a solid retirement plan shouldn’t be one of them. Providing different types of 401(k) plans helps your employees secure their financial future and helps boost employee retention and satisfaction in your business. Plus, it’s a powerful way to attract top talent. 

Whether you're just starting or looking to enhance your employee benefits, understanding how a 401(k) plan works is essential for small business employers. Offering a 401(k) can help attract talent, support employee retention, and provide valuable retirement savings options. Learn how to set up a 401(k and how it can benefit both you and your employees. 

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How a 401(k) plan works 

The 401(k) operates through employee contributions, which are deducted directly from their paycheck before taxes are applied. These contributions can be invested in various options like mutual funds, stocks, or bonds. Employees are in control of how much they contribute up to IRS limits, and they decide where their money is invested within the plan.

Small business owners can choose between three primary types of 401(k) plans:

  • Traditional 401(k): Contributions are made pre-tax, meaning employees reduce their taxable income in the year they contribute. Withdrawals in retirement are taxed as income.
  • Roth 401(k): Contributions are made with after-tax income, so there’s no immediate tax benefit. Withdrawals during retirement are tax-free as long as certain conditions are met.
  • Safe Harbor 401(k): It offers an easy way to bypass certain IRS testing rules by committing to specific employer contributions, either matching or nonelective.
  • Solo 401(k): Designed for self-employed individuals or business owners with no employees. It allows for higher contribution limits compared to traditional and Roth 401(k) plans.

Contribution process

Employees decide how much of their salary they want to contribute, typically expressed as a percentage. The process is automated, but you need to set up the right payroll and plan administration systems to ensure smooth, efficient processing. 

Small business owners will need to consider the 401(k) cost for employers, which includes administrative fees, potential employer contributions, and selecting the right matching formula. Choosing a matching formula, such as a dollar-for-dollar match or a percentage match up to a certain limit, can impact both employee participation and overall plan costs.

Use efficient and streamlined payroll services to save time. These services automate the contribution process, ensuring accurate and timely deductions. They also help manage compliance and reduce administrative burdens, allowing you to focus more on growing your business.

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Benefits of offering a 401(k)

Providing a 401(k) plan can do more than just help your employees save for the future—it can offer significant advantages for your small business too. Here are some key benefits of 401(k) retirement plans:

  • Tax advantages: Both employers and employees can enjoy tax savings. Employee contributions will reduce their taxable income, while employer contributions are tax-deductible.
  • Employer contributions: Matching employee contributions shows you’re invested in their future, which can increase job satisfaction and retention.
  • Compound growth potential: Employee contributions, along with any matching funds, have the potential to grow over time, thanks to compound interest. The earlier employees start, the more they can accumulate.
  • Automatic savings: Employees benefit from automatic payroll deductions, making saving for retirement effortless. This also encourages consistent, long-term contributions.
  • Attract and retain talent: Offering a retirement plan makes your business more attractive to potential hires and helps retain current employees.
  • Boost employee productivity: Financial security contributes to peace of mind, which can lead to higher productivity and job satisfaction.
401K benefits for employers

401(k) contribution limits

Some states require businesses to offer retirement programs, so staying compliant with contribution limits and rules is essential for small businesses. Here’s what you should keep in mind for small business 401(k) plans:

  • Annual contribution limits: Employees can contribute up to $23,000 as of 2024 and $23,500 for 2025—set by the IRS. Employer contributions are in addition to this limit, allowing for greater savings.
  • Catch-up contributions: Workers aged 50+ can make an additional $7,500 in catch-up contributions, boosting their retirement savings as they near retirement.
  • Vesting schedules: Employer contributions may follow a vesting schedule, meaning employees gain full ownership of these funds after a set period, such as three years of service.

Understanding these contribution limits is crucial when setting up a 401(k) as part of your small business retirement plans. It ensures compliance and allows your employees to maximize their retirement savings.


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Explore the SECURE 2.0 Act that introduces new benefits, including higher catch-up limits, automatic enrollment, and easier eligibility for part-time workers—making retirement planning even more accessible.


401(k) withdrawals and distributions

Withdrawing funds from a 401(k) before retirement age can lead to penalties, so it’s important to be familiar with the guidelines. Here are some tips on how to retire as a small business owner:

  • Rules for withdrawals: Employees can begin withdrawing from their 401(k) without penalty once they reach the age of 59½. Withdrawals before this age are typically subject to penalties unless they qualify under specific exceptions.
  • Early withdrawal penalties: Withdrawing funds early (before 59½) usually incur a 10% early withdrawal penalty on top of regular income taxes. Exceptions like certain medical expenses or first-time home purchases may allow penalty-free withdrawals but will still be taxed.
  • Required minimum distributions (RMDs): Starting at age 73, participants must begin taking RMDs from their 401(k). These are mandatory annual withdrawals, calculated based on life expectancy and account balance, and failing to take them could result in hefty penalties.
  • Hardship withdrawals: May be allowed in specific circumstances, such as financial hardship due to medical expenses or home repairs. While these withdrawals avoid the early withdrawal penalty, they are still subject to income tax. Employers may set their criteria for hardship withdrawals as part of the plan.

Some 401(k) plans also offer loans, allowing employees to borrow against retirement savings without incurring early withdrawal penalties. These loans must typically be repaid within five years (with interest) to avoid being treated as a taxable distribution. Defaulting a 401(k) loan could lead to taxes and penalties, so careful planning is essential.

A chart explaining 401K withdrawals

401(k) vs. other retirement accounts

When considering retirement options for your business, it’s important to understand how a 401(k) stacks up against other popular retirement accounts. 

A chart comparing a 401K to other retirement accounts

401(k) vs. IRA

A 401(k) typically allows for higher contribution limits than an Individual Retirement Account (IRA). In 2024, the 401(k) contribution limit is $23,000 ($23,500 for 2025), whereas IRAs are capped at $7,000. However, IRAs often provide more investment options and can complement a 401(k) for additional savings. 

Small business retirement plans often favor 401(k)s for their employer matching options and higher caps, making them a strong tool for both employers and employees.

401(k) vs. 403(b)

Both 401(k) and 403(b) plans are tax-advantaged retirement accounts, but 403(b) plans are typically offered by public schools, nonprofits, and certain government organizations. The contribution limits are the same, but 403(b) plans often have simpler investment options. If you're a small business owner, a 401(k) is the more relevant choice, as it’s designed specifically for private-sector businesses.

401(k) vs. brokerage accounts

Unlike a 401(k), brokerage accounts offer no tax advantages but provide complete flexibility in investment choices and withdrawals. While a 401(k) is ideal for long-term, tax-deferred retirement savings, a brokerage account is better suited for more liquid investments and financial goals that are not tied to retirement. For small business retirement plans, a 401(k) typically provides better tax incentives and encourages structured savings.

401(k) plans for small businesses

If you’re a self-employed individual or a business owner with no employees (except possibly your spouse), a Solo 401(k) is an ideal option. This plan offers the same benefits as a traditional 401(k) but allows you to contribute both as an employee and employer. This can result in higher contribution limits, making it a powerful tool for maximizing retirement savings.

For small businesses with employees, setting up a 401(k) involves choosing the right type of plan for your business’s size and structure. Common options include Traditional, Roth, and Safe Harbor 401(k) plans.

By setting up a 401(k), small businesses can benefit from tax advantages while providing employees an efficient way to save for retirement. It's a win-win for owners and staff, fostering long-term financial security and business loyalty.

Run your business with confidence

Setting up a 401(k) plan is just one part of managing a successful small business, and ensuring that your payroll accounting is efficient is equally important. By automating contributions, tracking employee eligibility, and staying compliant with contribution limits, you’ll save time and reduce the risk of errors. 

To make this process even easier, consider using a comprehensive payroll solution like QuickBooks Payroll that can integrate with affordable 401(k) plans. It integrates seamlessly with your 401(k) plan, helping you automate deductions and ensure timely contributions.

QuickBooks Online Payroll & Contractor Payments: Money movement services are provided by Intuit Payments Inc., licensed as a Money Transmitter by the New York State Department of Financial Services, subject to eligibility criteria, credit, and application approval. For more information about Intuit Payments Inc.’s money transmission licenses, please visit https://www.intuit.com/legal/licenses/payment-licenses/

Frequently asked questions about 401(k)s


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