Simple IRA vs 401(k): Should You Consider Upgrading?
As your company evolves, your retirement plan should keep pace. If you're considering upgrading from a SIMPLE IRA to a 401(k), here are the top five advantages and considerations to keep in mind.
Top 5 Advantages of a 401(k)
1. Higher Contribution Limits
Employees can defer up to $23,500 in 2025 (plus $7,500 catch-up if age 50+), compared to $16,500 for SIMPLE IRAs. That means more savings potential for owners and staff.
2. Greater Plan Flexibility
401(k) plan is a more competitive and familiar benefit, especially for high earners or experiences professionals.
3. Enhanced Talent Attraction & Retention
A 401(k) plan is a more competitive and familiar benefit, especially for high earners or experienced professionals.
4. Expanded Employer Contribution Options
Unlike SIMPLE IRAs with fixed formulas, 401(k) plans let you tailor your matching or profit-sharing strategy based on your budget and goals.
5. Long-Term Scalability
401(k)s can grow with your business and integrate advanced strategies like Safe Harbor provisions or Cash Balance plans as your company matures.
Top 5 Considerations or Trade-Offs
1. Increased Administrative Complexity
401(k)s requires IRS filings (e.g., Form 5500), nondiscrimination testing's, and possibly annual audits once your plan grows.
2. Higher Setup and Maintenance Costs
Compared to SIMPLE IRAs, 401(k)s typically involve provider, TPA, and advisory fees, but startup tax credits may offset these costs for small employers.
3. Fiduciary Responsibility
Sponsors of 401(k) plans are fiduciaries, meaning you're responsible for plan oversight, investment selection, and cost monitoring.
4. More Time and Decision-Making Required
You'll need to work with a recordkeeper, advisor, and/or TPA to select features, manage compliance, and communicate with participants.
5. Transition Planning is Key
While SECURE Act 2.0 now allows mid-year transitions to Safe Harbor 401(k)s, timing and communication with employees are still critical.
Ready to Evaluate Your Options?
Let's talk about whether a 401(k) plan makes sense for your team, and how to make the transition smoothly and strategically.
Scott Higgins | AIF ®, CFP®, CPFA®, NSSA®
Financial Advisor
Since 2012 at Rose Street, Scott has been responsible for helping the firm’s individual wealth management clients with income strategies for retirement and consulting with employers with their employee retirement plans. In free time, he enjoys golf, biking, skiing, cooking, and traveling. Fun Fact, Scott has a hobby of filling growlers with coins!
Securities and Investment Advisory Services Offered Through M Holdings Securities, Inc., a Registered Broker/Dealer and Investment Adviser, Member FINRA/SIPC. Rose Street Advisors is independently owned and operated. #4515345
When it comes to offering a retirement plan that’s both attractive to employees and compliant with IRS regulations, Safe Harbor 401(k) plans are a top choice for many employers. These plans simplify administration by eliminating the need for annual nondiscrimination testing, while also providing employees with valuable contributions that are immediately theirs. But did you know that there are different types of Safe Harbor 401(k) plans to choose from? Each has its unique structure, advantages, and requirements, making it important to understand which one best aligns with your company’s goals. Let's explore the key Safe Harbor plan designs and how they can benefit both you and your employees.
1. Basic Safe Harbor Match
The “Basic Safe Harbor Match” is a straightforward option where you, as the employer, match 100% of the first 3% of employee contributions, plus 50% of the next 2%. This plan encourages employees to save more for retirement while ensuring that your plan remains compliant with IRS rules. All contributions are immediately vested, making it an attractive choice for employees.
2. Enhanced Safe Harbor Match
For companies looking to offer a more generous benefit, the “Enhanced Safe Harbor Match” is ideal. It typically involves a 100% match on the first 4% of compensation, although it can be higher. Like the Basic Match, it’s simple to administer, and the immediate vesting of contributions makes it a strong tool for attracting and retaining talent.
3. Nonelective Safe Harbor Contribution
If your goal is to provide a retirement benefit to all eligible employees, regardless of whether they contribute, the “Nonelective Safe Harbor Contribution” is a great option. This plan requires you to contribute at least 3% of compensation to every eligible employee's account, irrespective of their participation in the plan. It’s a robust benefit that demonstrates your commitment to your employees' financial futures.
4. Qualified Automatic Contribution Arrangement (QACA)
The QACA Safe Harbor plan adds an automatic enrollment feature, making it easier to boost participation rates. Employees are automatically enrolled at a contribution rate starting at 3%, which increases by 1% each year until it reaches at least 6% (but not more than 10%). Employer contributions can either follow a match formula—100% on the first 1% and 50% on the next 5%—or be set as a 3% nonelective contribution. Unlike other Safe Harbor designs, QACA allows for a vesting schedule of up to two years, providing some flexibility.
Choosing the Right Safe Harbor Plan
Selecting the right Safe Harbor 401(k) plan design depends on your company’s specific needs and objectives. Whether you want to encourage employee contributions, ensure broad-based retirement savings, or increase plan participation through automatic enrollment, there’s a Safe Harbor design that fits. By understanding the nuances of each option, you can create a retirement plan that not only meets compliance requirements but also serves as a valuable benefit to your employees.

Understanding Compliance Testing
Compliance testing is an essential part of ensuring that your 401(k) or 403(b) plan remains compliant with IRS regulations. These tests assess whether your plan is operating within the legal limits set by the IRS, particularly regarding nondiscrimination and contribution limits.
ADP/ACP Testing: The Actual Deferral Percentage (ADP) and Actual Contribution Percentage (ACP) tests evaluate whether contributions made by highly compensated employees (HCEs) are within acceptable limits compared to those made by non-highly compensated employees (NHCEs).
Top-Heavy Testing: This test determines whether key employees hold a disproportionate share of plan assets, ensuring that the plan does not unfairly favor highly compensated individuals.
Coverage Testing: Coverage testing verifies whether a sufficient number of non-highly compensated employees are benefiting from the plan, preventing discrimination against lower-paid employees.
The Importance of Form 5500 Filing
Form 5500 is the annual report that must be filed with the Department of Labor (DOL) to provide information about the operation, funding, and administration of your retirement plan. It serves as a vital tool for the government, participants, and beneficiaries to monitor plan compliance, financial conditions, and investments.
Transparency: Form 5500 promotes transparency by requiring plan sponsors to disclose comprehensive information about the plan's operations, investments, and financial health.
Legal Requirement: Filing Form 5500 is not optional—it's a legal requirement for most retirement plans. Failure to file can result in severe penalties, including hefty fines imposed by the IRS and DOL.
Participant Protection: Completing Form 5500 ensures that participants and beneficiaries have access to critical information about their retirement plan. The Summary Annual Report (SAR) must be provided to plan participants and beneficiaries each year.
A Friendly Reminder and Action Plan
As a plan sponsor, it's crucial to stay proactive and ensure that compliance testing and Form 5500 filing are on your radar. Here's a simple action plan to help you stay on track: