Cash Balance Plan Guide for Business Owners

You own a profitable business, you are maxing out your 401(k), and you still owe a large tax bill every April. The 401(k) limit feels like a rounding error against your income. If that describes you, a cash balance plan is probably the most powerful tax-deferred savings tool you have not used yet.

Cash balance plans are the modern form of the old-fashioned pension. They are common among physician groups, law firms, dental practices, engineering firms, and closely held companies with a few highly paid owners and a modest number of employees. In the right situation, an owner can move six figures a year out of taxable income and into a retirement account that grows tax-deferred.

This guide explains how a cash balance plan works, who qualifies, what it costs to run, how it stacks with a 401(k), and the questions to answer before you sign the adoption agreement. It is educational, not individualized advice. The right design depends on your census, your cash flow, and your exit timeline.

What a Cash Balance Plan Is

A cash balance plan is a defined benefit plan. In a 401(k), which is a defined contribution plan, the business puts money in and the participant gets whatever the investments produce. In a defined benefit plan, the business promises a specific benefit at retirement and is responsible for funding it. The plan's actuary calculates each year what contribution is required to keep that promise on track.

What makes a cash balance plan different from a traditional pension is how the benefit is expressed. Each participant has a hypothetical account balance. Every year the account is credited with a pay credit, which is a percentage of compensation or a flat dollar amount set in the plan document, and an interest credit, which is a fixed rate or an index rate written into the plan. Participants see a balance that looks like a savings account, which makes these plans easier to understand and easier to value.

Because it is a defined benefit plan, it is governed by the defined benefit rules under the Internal Revenue Code and ERISA. An enrolled actuary must certify the funding each year, the plan must file Form 5500, and most plans with employees pay premiums to the Pension Benefit Guaranty Corporation.

Why the Contribution Room Is So Large

Defined contribution plans cap what goes in each year. Defined benefit plans cap what comes out at retirement. The IRS sets an annual benefit limit for defined benefit plans, indexed each year, that sits in the high $200,000s as an annual payment beginning at age 62. The current figure is published on the IRS retirement plan limits page.

To fund a benefit that large by retirement age, the actuary works backward. An owner who is 55 has roughly ten years to accumulate the lump sum needed to pay the maximum benefit, so the allowable annual contribution is large. An owner who is 35 has thirty years, so the contribution is smaller. Age drives the math, which is why cash balance plans tend to favor owners in their late 40s, 50s, and early 60s.

Cash Balance Plan Contribution Limits by Age

There is no single contribution limit in a cash balance plan the way there is in a 401(k). The maximum depends on age, compensation, years of service, and the plan's interest crediting rate. The ranges below are typical for an owner with compensation at or above the IRS compensation limit. They are illustrations, not quotes. Your actuary will run the numbers for your specific census, and the figures shift each year as the IRS adjusts the limits.

• Owner age 40: roughly $100,000 to $130,000 per year
• Owner age 45: roughly $130,000 to $170,000 per year
• Owner age 50: roughly $170,000 to $220,000 per year
• Owner age 55: roughly $220,000 to $280,000 per year
• Owner age 60: roughly $280,000 to $340,000 per year

Stacking With a 401(k) and Profit Sharing

The real power shows up when you combine plans. A business can sponsor a 401(k) with profit sharing and a cash balance plan at the same time. The owner defers the full 401(k) employee amount, which is $24,500 for 2026 plus a catch-up contribution after age 50, receives a profit sharing contribution on top, and then adds the cash balance contribution. When both plans exist, the profit sharing piece is generally limited to 6 percent of compensation under the combined deduction rules, but the total is still far above what a 401(k) alone can do.

Consider a 54-year-old owner with $400,000 of W-2 compensation. She might defer $32,500 into the 401(k) with catch-up, receive a profit sharing contribution of around $21,000, and fund a cash balance contribution of $230,000. That is roughly $283,000 removed from taxable income in one year. At a combined federal and Georgia marginal rate above 40 percent, the current-year tax deferral exceeds $110,000. Our article on 2026 retirement account limits covers the 401(k) side in more detail.

Who Qualifies and Who Benefits Most

Any business with earned income can adopt a cash balance plan: sole proprietors, partnerships, LLCs, S corporations, and C corporations. The question is not whether you can adopt one but whether the economics work. The plans that succeed usually share a few characteristics.

• The owner or owners are over 40 and earn well above the 401(k) limits
• Profits are consistent and the business can commit to contributions for at least three to five years
• The number of non-owner employees is small relative to the owners, or the employees are younger and lower paid than the owners
• The owner is already maxing out a 401(k) and is looking for the next layer
• The owner's marginal tax rate is high enough that deferral is worth the plan cost

Professional Practices and Solo Owners

Medical, dental, legal, and accounting practices are the classic fit. Owners often earn $400,000 or more, staff tend to be younger and paid less, and revenue is stable. A three-physician practice with fifteen staff members can often fund $600,000 or more in owner contributions while the employee cost stays under $50,000. At the other end, a plan covering only an owner and spouse has no coverage testing, usually no PBGC premiums, and lower administrative cost, which makes it a strong fit for 1099 consultants and specialists.

What It Costs to Cover Employees

The IRS does not let a business fund a large benefit for owners while giving employees nothing. Cash balance plans must pass nondiscrimination testing, and in practice that means employees receive a contribution as well. Most designs give employees a modest cash balance pay credit, often 2 to 5 percent of pay, plus a profit sharing contribution in the 401(k) of around 5 to 7.5 percent of pay. That combination is usually enough to pass the cross-testing rules.

The employee cost is the number that decides whether the plan works. If owners receive 85 to 90 percent of total contributions, the plan is usually attractive. If employee costs eat 30 percent or more, it may still make sense, but the tax deferral must be weighed against the cash going to staff. Employee balances vest on a schedule, often a three-year cliff, and forfeitures from turnover stay in the plan and offset future contributions.

Cash Balance Plan vs 401(k): The Trade-Offs

The tax benefit is obvious. The obligations are less obvious, and they are the reason a cash balance plan is not for everyone.

Contributions Are Required

A profit sharing contribution is discretionary. A cash balance contribution is a funding obligation. The plan document sets the pay credit, and the actuary determines a minimum required contribution each year. Falling short triggers excise taxes. Plans do have a funding range that gives the owner some room to contribute less in a weak year and more in a strong year, but the flexibility is narrower than owners expect. This is why we push clients to look at three to five years of cash flow before adopting. Expect annual administration costs of $3,000 to $10,000 for a small plan, covering the actuary, the TPA, Form 5500, and PBGC premiums where they apply.

Investment Returns Are the Sponsor's Problem

Participants are credited with the plan's interest crediting rate, often a fixed 4 or 5 percent or a rate tied to Treasury yields. The plan's actual investments are pooled and managed by the sponsor. If investments return more than the crediting rate, the plan becomes overfunded and future contributions shrink. If they return less, the business must contribute more to catch up. For that reason, cash balance assets are typically invested conservatively, with a target return near the crediting rate rather than a stock-heavy allocation. Our investment management team builds these portfolios to match the crediting rate, not to chase returns.

How a Cash Balance Plan Fits Your Larger Plan

A cash balance plan is a tax deferral tool, not a tax elimination tool. Every dollar you put in comes out later as ordinary income. The benefit is the spread between your marginal rate today and your rate in retirement, plus decades of tax-deferred compounding. For an owner paying the top federal rate plus Georgia income tax now who expects a lower bracket in retirement, that spread is substantial. For an owner who expects very high retirement income anyway, the case is weaker and Roth strategies deserve more weight.

The plan also interacts with other planning areas. Large deductible contributions reduce qualified business income, which can lower the Section 199A deduction for some owners. For specified service businesses above the income threshold, however, reducing taxable income can bring the QBI deduction back into play. Contributions are also based on W-2 wages for S corporation owners, so reasonable compensation needs to be set with the retirement plan in mind.

Cash balance plans are meant to be permanent, and the IRS expects a plan to run for at least several years. But they can be terminated when the business is sold or the owner retires. On termination, participants roll their balances to an IRA. Owners planning a sale often adopt a plan to shelter the last several high-income years, then terminate at closing, and later use partial Roth conversions to move the money out at lower rates. An underfunded plan is a liability a buyer will price, so coordinate the plan with your exit timeline.

Steps to Set Up a Cash Balance Plan

The process usually takes six to ten weeks and involves your adviser, an actuary, a third-party administrator, and your CPA.

• Gather a census: name, date of birth, hire date, compensation, and ownership percentage for every employee
• Have an actuary run a design study showing owner contributions, employee costs, and the ratio between them
• Decide on the plan formula, interest crediting rate, and vesting schedule
• Adopt the plan document and 401(k) amendments before the deadline for your entity type
• Open a pooled trust account and set an investment policy aligned with the crediting rate

Deadlines

Under current law, a business can adopt a new cash balance plan up to its tax filing deadline, including extensions, and still deduct contributions for the prior year. The 401(k) deferral portion, however, requires elections before the compensation is earned, so pairing the two plans works best when set up before year-end. Confirm the timing with your TPA and CPA, and see the IRS overview of defined benefit plans for the underlying rules.

A cash balance plan is one of the few tools that lets a business owner defer six figures of income in a single year with full IRS blessing. It is not free and it is not flexible, which is exactly why it works: the required contribution forces savings that many owners would otherwise spend or leave in the business. If you are over 40, consistently profitable, and already at the 401(k) limit, have an actuary run the numbers. The design study costs little and tells you quickly whether the plan belongs in your plan. Attend Wealth coordinates these plans with your CPA and actuary as part of our business owner services, and our advisory services are held to a fiduciary standard.

Tony Colunga · Founder, Attend Wealth

Tony leads Attend Wealth, a fee-based wealth management firm in Atlanta serving professionals, families, physicians, and business owners. Advisory services are held to a fiduciary standard. More about Attend