Retirement Plans for Business Owners: 401(k) and Cash Balance Strategies

For a profitable business owner, a 401(k) may cover only part of the retirement saving available through workplace plans. A cash balance plan can add another layer, with potential contributions shaped by age, compensation and plan design. The trade-off is that it requires careful planning, ongoing funding and coordination with the rest of a household’s finances.

The figures below are estimates from the source article for the United States and 2026. They can help frame a conversation with qualified professionals, but they are not guaranteed contribution amounts or a fit for every business.

Start with the 401(k)

For 2026, the employee contribution limit cited in the source is $24,500, and the combined employee and employer limit is $72,000. Participants who are 50 or older may be able to contribute an additional $8,000. For ages 60 through 63, a plan that permits the larger catch-up contribution may allow $11,250 instead.

Those limits make the 401(k) a useful foundation, but the employer contribution and plan rules affect how much a business owner can actually put away. It’s worth checking how the plan is set up and whether the owner and eligible employees can use the available limits.

What a cash balance plan adds

A cash balance plan is a type of defined benefit plan. Unlike a 401(k), its yearly contribution is actuarially determined. An actuary uses factors such as the participant’s age, compensation and the plan’s target retirement benefit to calculate the funding amount.

The source gives illustrative estimates of about $175,000 or more in annual pretax contributions for a business owner age 50, and amounts approaching $290,000 at age 60. It also cites a defined benefit lifetime funding cap of approximately $3.7 million. These figures describe possible limits under the plan structure; they aren’t a promise that a particular owner can contribute those amounts.

A business can have a cash balance plan and a 401(k) in the same tax year. For an owner whose age, income and plan design support larger contributions, the combined pretax amount may exceed $250,000 annually. In practice, the plan’s cost and employee coverage requirements also need to be considered before adoption.

Revenue examples show the range

The source estimates the following combined annual pretax amounts, using a $72,000 401(k) contribution and cash balance plan estimates that vary by age, compensation and design:

• $500,000 in gross revenue: About $100,000 to $150,000 in cash balance contributions, for a combined estimate of $172,000 to $222,000.
• $1 million in gross revenue: About $150,000 to $200,000 in cash balance contributions, bringing the combined estimate to $222,000 to $272,000.
• $2 million or more in gross revenue: About $175,000 to $290,000 or more in cash balance contributions, for a combined estimate of $247,000 to $362,000 or more.

Gross revenue alone can’t determine whether a business can afford or qualify for those contributions. The owner’s compensation, age, staffing and ability to fund the plan consistently all matter. A licensed enrolled actuary and a qualified tax professional can model the amounts and explain the commitments involved.

Plan timing around the year end

The source highlights a difference in timing: a 401(k) may be established and funded retroactively by the tax filing deadline, including extensions, while a cash balance plan must be established and contributions must begin before December 31 to claim a deduction for that tax year. It describes no grace period or extension for that deadline.

That makes early planning useful. Actuarial work, plan setup and funding arrangements take time, and leaving the discussion until late in the year can narrow the window. For a business with steady profits, waiting another year may mean missing a year in which the plan could have provided tax-deferred contributions. The actual tax impact depends on the owner’s circumstances.

Coordinate saving with inheritance plans

Adding pretax savings can shift taxes into the future, so the plan should fit with the owner’s broader retirement and estate arrangements. The source notes that under current rules, non-spouse heirs generally must distribute inherited retirement accounts within 10 years. A large inherited balance could therefore affect beneficiaries’ taxable income during that period.

Taxable accounts, Roth conversion timing and the location of different assets can also shape how savings are taxed over time. Some families consider specialized trust planning or Roth conversions as part of that coordination. These choices have different costs and tax consequences, so they call for advice suited to the family’s situation.

Three practical steps

1. Check whether the plan fits. Cash balance plans are generally most useful for business owners with consistent, profitable income. Ask a financial adviser and licensed enrolled actuary to assess eligibility and model costs and contributions.
2. Ask for a five-year comparison. Have the financial team estimate what taxes and contributions might have looked like if a combined retirement plan had been in place over the past five years. Treat the result as a planning estimate, not a guaranteed saving.
3. Begin early. Plan design, actuarial calculations and funding need time. Starting well before December 31 gives the business more room to review the numbers and make a considered decision.

The main question is whether the additional saving capacity fits the business’s cash flow, workforce and long-term plans. A 401(k) and cash balance plan can work together, but the estimates need to be tested against the actual business and coordinated with the owner’s retirement and inheritance goals.