If your business had a strong year and you already max out your 401(k), you’ve likely hit the limit on what a traditional plan can shelter. For 2026, a 401(k) profit-sharing plan tops out at $72,000 before catch-ups, which barely moves the needle for an owner earning $400,000 or more. 

This is where a cash balance plan for business owners changes the math. Depending on your age and income, it can let you contribute and deduct several times the 401(k) limit. That makes it one of the most effective retirement planning tools for owners in their 50s and 60s. 

October is the right time to look at one. The contribution can often wait until your 2026 return is filed, but key decisions like owner compensation and plan design need to happen before December 31. This guide explains how cash balance plans work, how the tax deduction works, which 2026 limits apply, who they fit best, and what to decide before year-end. 

What Is a Cash Balance Plan? 

A cash balance plan is a defined benefit pension plan that works like a defined contribution account from the participant’s point of view. Each participant has a hypothetical account balance that grows every year through two credits: 

Pay credit: a set percentage of pay or a flat dollar amount defined by the plan formula. 

Interest credit: a crediting rate set by the plan formula, either fixed (for example, 4% or 5%) or tied to an index such as Treasury yields. 

Legally, it is a pension. The business funds it, an actuary calculates the required contribution each year, and the plan promises a defined benefit. But participants see a simple account balance. At retirement or separation, they can typically take it as a lump sum and roll it into an IRA. 

That hybrid structure is why cash balance plans have become the go-to pension design for professional practices and closely held businesses. 

Why Cash Balance Plans Appeal to High-Income Business Owners 

The key difference is how the limits work. A 401(k) caps what goes in each year. A cash balance plan caps the benefit that comes out at retirement. 

For 2026, a defined benefit plan can fund toward an annual retirement benefit of up to $290,000 under Internal Revenue Code Section 415(b). The actuary works backward from that target to set how much can be contributed today. The closer you are to retirement age, the less time the money has to grow, so the larger the allowable contribution. 

As a result, the maximum contribution rises sharply with age. For owners in their late 50s and 60s, it can reach well into six figures, often several times the 401(k) limit. Paired with a 401(k) profit-sharing plan, the combined annual deduction can exceed $300,000 in some cases. 

Two guardrails apply. Only the first $360,000 of compensation counts in 2026. And because the $290,000 benefit limit also creates an effective lifetime ceiling, the actuary tracks how close each owner is to the maximum over time. 

How the Cash Balance Plan Tax Deduction Works 

Contributions to a cash balance plan are deductible by the business. How that deduction reaches you depends on your entity type: 

S corporations, partnerships, and sole proprietorships: the deduction flows through to the owner’s individual return and reduces income taxed at ordinary rates, up to 37%. A $200,000 contribution for an owner in the top bracket saves roughly $74,000 in federal income tax before the QBI interaction described below. 

C corporations: the deduction is taken at the corporate level, reducing income subject to the 21% federal rate and Florida’s corporate income tax. 

For Florida business owners, one point is worth stating plainly. Florida has no personal income tax, so for pass-through owners the entire benefit comes from the federal deduction. Your federal bracket drives the math. 

Money in the plan grows tax-deferred, and distributions are taxed as ordinary income in retirement. The strategy works best when you expect to be in a lower bracket later, or when deferring tax for years has real value to you. 

A few interactions need modeling before you commit: 

Payroll and self-employment tax: plan contributions reduce income tax, not FICA or self-employment tax. 

QBI deduction: contributions for pass-through owners generally reduce qualified business income, which can shrink the Section 199A deduction. 

S corporation compensation: your benefit is based on W-2 wages, not distributions. A low salary that saves payroll tax can also cap what you can put into the plan. 

Balancing these trade-offs is a core part of tax planning for closely held businesses, and the right answer is different for every owner. 

2026 Retirement Plan Limits That Matter 

2026 limit	Amount	Why it matters
Annual Defined benefit §415(b)	$290,000	The retirement benefit a cash balance plan can fund toward; drives the contribution ceiling
Compensation limit, §401(a)(17)	$360,000	Pay above this is ignored when calculating plan contributions
Defined contribution limit, §415(c)	$72,000	Total 401(k) and profit-sharing ceiling, before catch-ups
401(k) elective deferral	$24,500	Employee deferral limit
Catch-up, age 50+	$8,000	Added on top of the deferral limit
Catch-up, ages 60 to 63	$11,250	Higher SECURE 2.0 catch-up in place of the $8,000
Highly compensated employee threshold	$160,000	Used in nondiscrimination testing
Key employee threshold (top-heavy)	$235,000	Used in top-heavy testing

  

Source: IRS Notice 2025-67; limits shown are for the 2026 plan year. 

Is a Cash Balance Plan Right for Your Business? 

Often a strong fit 

• Steady, predictable profits that can support a significant contribution for at least three to five years. 
• Owners age 45 or older who want to accelerate retirement savings. 
• Owners already maxing out a 401(k) or SEP. 
• A small staff, or employees who are younger or paid less than the owners. 
• Physicians, dentists, attorneys, consultants, engineers, architects, and family businesses with owner-heavy payroll. 

Often a weaker fit 

• Income that swings widely from year to year. 
• A large workforce, especially one with many older employees. 
• Cash needed for expansion, debt paydown, or reinvestment. 
• Plans to sell or close the business within a year or two. 

What a Cash Balance Plan Requires 

The tax savings are real, but so are the commitments. A cash balance plan for business owners may be a good fit when profits are steady, the owners want to accelerate retirement savings, and the business can support the required contributions.  

Before adopting a plan, weigh the following: 

Required contributions for employees:  

The plan must pass nondiscrimination testing, so eligible staff typically receive employer contributions, often around 5% to 7.5% of pay when paired with a profit-sharing plan. 

Required annual funding:  

The actuary sets a range each year. You can choose within it, but the minimum is not optional. 

Administration:  

An actuary, a third-party administrator, annual Form 5500 filings, and actuarial certifications. Employers with 50 or fewer employees may qualify for a start-up credit covering 100% of qualifying costs, up to $5,000 a year for three years. Employers with 51 to 100 employees may claim 50% of those costs. 

PBGC coverage:  

Many private-sector defined benefit plans pay PBGC premiums. An exemption may apply to a plan established and maintained by a professional service employer only if it has never covered more than 25 active participants at any time since September 2, 1974. Confirm PBGC status with plan counsel or the actuary. 

Investment discipline:  

Returns above the interest crediting rate can overfund the plan, and returns below it require larger contributions. Most plans invest conservatively for this reason. 

Permanence:  

The IRS expects a pension plan to be permanent. Ending one within the first few years without a legitimate business reason can draw scrutiny. 

For full IRS guidance, see IRS Publication 560. 

Pairing a Cash Balance Plan With a 401(k) 

Most business owners use a cash balance plan alongside a 401(k) profit-sharing plan. In 2026, that combination allows: 

• 401(k) deferrals of $24,500, plus an $8,000 catch-up at age 50 or older, or $11,250 for ages 60 to 63. 
• Employer profit-sharing contributions within the $72,000 total defined contribution limit. 
• Cash balance contributions on top, set by the actuary. 

Two design details matter in 2026. First, employees whose prior-year FICA wages exceeded $150,000 must make catch-up contributions on a Roth basis, which removes the upfront deduction on that portion. Second, when the cash balance plan is not PBGC-covered, employer contributions to the 401(k) side above 6% of pay can run into the combined deduction limit. Elective deferrals do not count toward that 6%. Plan design should account for both. 

Why October Is the Right Time to Start Planning 

Under the SECURE Act, a new plan can generally be adopted as late as the business’s tax return due date, including extensions, and still apply to 2026. That flexibility is useful, but it can create false comfort. Many of the choices that drive the deduction need to be made this year. 

Decision or deadline	Timing for a calendar-year business
Set 2026 owner compensation (W-2 wages for S corporation owners)	Before the final 2026 payroll
Add a 3% nonelective safe harbor to an existing 401(k) for 2026	By December 1, 2026 (a 4% nonelective version may generally be added by the end of the following plan year)
Amend an existing cash balance plan’s benefit formula	Generally before the plan year ends
Adopt a new cash balance plan effective for 2026	By the business’s 2026 tax return due date, including extensions
Make the deductible 2026 contribution	By the tax return due date, including extensions
Meet the 2026 minimum required contribution	8½ months after plan year-end (September 15, 2027)

  

Starting in October gives the actuary time to run illustrations and lets you test contribution levels against projected profit. For a cash balance plan for business owners, it also leaves room to adjust owner compensation before year-end. 

Common Mistakes to Avoid 

• Avoid sizing the plan around one great year, since ongoing contributions depend on sustainable profits. 
• Review a full census-based illustration before committing so you do not underestimate employee costs. 
• Avoid investing too aggressively, as volatility can create funding gaps you must cover. 
• Avoid setting an S corporation owner’s salary too low, as this can limit retirement contributions. 
• Do not wait until tax season, when compensation and plan design options may be limited. 

How Glater & Associates Helps Business Owners Plan Ahead 

Glater & Associates, P.A. helps closely held business owners across South Florida coordinate retirement planning and year-end tax strategy. 

Through our tax planning services, we assess whether a cash balance plan fits your business, align owner compensation with contribution goals, and coordinate with your actuary and administrator. You can schedule a year-end review to explore your options before finalizing your 2026 tax planning decisions. 

Our offices in Weston, Boca Raton, and Palm Beach Gardens serve business owners throughout South Florida.