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    Roth Solo 401(k)s for Small Businesses

    The Tax Cuts and Jobs Act (TCJA) of 2017 was not officially focused on retirement planning, but it’s had a major impact on the choice of retirement plans. After-tax plans, known as Roth accounts, may be more practical now. That can be especially true regarding solo 401(k)s, which are 401(k) plans that cover business owners (including sole proprietors) without employees (other than the owners and their spouses).

    Under the TCJA, the income caps for married couples filing joint tax returns is twice the upper limit for single filers in all tax brackets. In most brackets, that’s a much wider gap than had been the case in the past.

    New rates

    In 2019, federal income tax rates have been lowered and the upper limits for tax brackets have risen. Moreover, current law calls for a return of 2017 tax rates after 2025, so it may not be advisable to defer tax in a pretax retirement plan if you might find yourself in a higher tax bracket once 2017 tax rates are reinstated.

    Although every business owner’s circumstances will be different, the underlying principles apply broadly. Lower tax rates make tax-deferred retirement plans less appealing, especially given the prospect of higher tax rates prevailing in the future.

    After-tax plans

    If pretax retirement plans are less attractive under the TCJA, then after-tax plans may be worth exploring. These plans are known as Roth options, because the Roth IRA was the first such plan. With Roth plans, contributions are made with after-tax dollars. In essence, you pay tax now using today’s relatively low rates. Money compounds tax-free inside the plan, and all distributions might be tax-free in the future. Typically, you must be at least age 59½ and meet a five-year holding period test for all distributions to qualify for tax-free treatment.

    Some popular small business retirement plans, such as SEP-IRAs, don’t offer Roth versions. Therefore, a 401(k) with a Roth option might be a good choice. As a business owner, you can choose to put contributions on the Roth side, and your employees can do the same.

    Self-employed individuals and business owners with no employees (other than themselves and their spouses) can have a solo 401(k) with a Roth option. Solo 401(k) plans and their Roth versions do not require nondiscrimination testing, which can be costly for business owners with regular 401(k) plans.

    Copious contributions

    In 2019, participants in solo 401(k) plans can contribute as much as $19,000 from their earnings, or $25,000 if they are 50 or older. In addition, employer contributions can be up to 25% of compensation, to a maximum of $56,000 in total contributions.

    Self-employed participants face somewhat different rules, possibly lower contribution limits, and a requirement that employer contributions go into the pretax 401(k). However, it may be possible to pay the tax on those pretax contributions at today’s tax rates and move the dollars over to the Roth version, if the paperwork allows such in-plan Roth conversions.

    This article carries no official authority, and its contents should not be acted upon without professional advice. For more information about this topic, please contact our office.