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Understanding the Basics of Solo 401(k) Setup, Funding, Investing, and Ongoing Maintenance

  • Writer: NaviraTax
    NaviraTax
  • Jul 24, 2025
  • 2 min read

Title: Understanding the Basics of Solo 401(k) Setup, Funding, Investing, and Ongoing Maintenance

If you’re exploring the idea of opening a Solo 401(k), you may be curious about how setup, funding, investing, and maintenance actually work. The following overview aims to clarify these key points, following the natural progression from opening an account to keeping it in good standing.

Getting Started With Setup

At the outset, it’s natural to wonder about the process for setting up a Solo 401(k). A Solo 401(k) is commonly chosen by business owners without full-time employees, aside from a spouse. Setting one up involves particular paperwork, which can often be handled online through a provider. The basic information required typically includes your business name, Employer Identification Number (EIN), and details about the plan. There is no need to establish a separate legal entity; an existing business structure, such as an LLC, corporation, or sole proprietorship, generally qualifies.

Funding Your Solo 401(k)

Once your Solo 401(k) is active, the question becomes: how do you fund it? The plan allows contributions both as an “employee” (salary deferral) and an “employer” (profit sharing), opening paths for larger overall contributions. Typically, you can make deposits by initiating a transfer or rollover from another retirement account, or by contributing new funds directly from your business earnings. Paying close attention to annual contribution limits and deadlines helps maintain compliance.

Investing Options

After funding, you may want to know how investments work inside a Solo 401(k). These accounts offer flexibility, with possibilities ranging from stocks, bonds, and mutual funds to alternative investments like real estate or private loans, depending on the provider’s options. While some plans offer checkbook control, allowing more direct access to make investments, including purchasing real estate, others are structured with limited options. Your investment approach is guided by your interests and by what your plan provider offers.

Handling Maintenance and Compliance

Attention then turns to ongoing maintenance. Solo 401(k) plans require regular attention, but the ongoing process remains relatively simple for most. Each year, you’ll want to confirm eligible contributions and track investments. Other standard tasks include record-keeping and ensuring timely rollovers or distributions, if any. Keeping up with these steps keeps the plan in good standing and avoids inadvertent penalties.

Maintaining Perspective

Navigating the Solo 401(k) journey involves some important steps, from setup and funding to investing and compliant upkeep. While each step carries specific details, the overall path is straightforward with mindful planning. This structure offers small business owners and self-employed individuals a versatile retirement plan option, operated at their own pace and tailored to their needs.

 
 
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