Cash Balance Plans for Late-Career CPAs: Supercharging Retirement Savings

A CPA practice owner can reach the firm’s strongest earning years and still see a retirement balance that doesn’t reflect decades of work. The explanation may be less about discipline than timing. Early profits often went back into staffing, technology, a partner buy-in, or the cash reserves that kept the practice steady. By the time more income is available for retirement, the accumulation window may be closer to ten years than thirty.

A traditional 401(k) can continue to play an important role, though its contribution framework may leave a sizable gap for a high-earning owner with a shorter runway. A cash balance plan can potentially add another layer of tax-deferred retirement funding. Because it is a defined benefit plan, however, it brings actuarial calculations, employee costs, funding expectations, and administrative responsibilities that have to fit the firm’s economics.

The useful planning issue is whether the strategy can be supported through strong and weak business years while still serving the owner’s retirement timeline. Age and income help shape the opportunity, but staffing, partner structure, cash-flow stability, and succession plans often determine whether the design is workable.

Why the Usual Savings Framework Can Feel Too Small

Many late-career CPAs spent years reinvesting in the practice, covering payroll through uneven cycles, or preserving flexibility for ownership changes. Once the business produces more dependable profit, the remaining time to build retirement assets may be narrower than expected.

For 2026, the employee elective deferral limit for most 401(k) plans is $24,500. The overall annual additions limit for a defined contribution plan is $72,000 before catch-up contributions. When a plan permits catch-up contributions, the combined amount can reach $80,000 for an eligible participant age 50 or older, or as much as $83,250 for someone who is age 60 through 63 during the year.¹ Those limits can support meaningful savings, but they may still fall short of what a profitable practice can fund for an owner who is trying to accelerate accumulation.

The final working decade often combines peak earnings with less time to recover from an underfunded plan. That combination can justify reviewing tools that create more contribution capacity, provided the business can support the added commitment without weakening reserves, compensation plans, or transition goals.

How a Cash Balance Plan Works

A cash balance plan is a defined benefit plan that expresses a participant’s promised benefit through a hypothetical account. The account generally receives pay credits and interest credits under a formula written into the plan.² That account-style presentation may feel familiar, although the legal and funding structure differs from a 401(k).

In practice, a cash balance plan is often paired with a 401(k) and profit-sharing plan. The defined contribution plan continues to receive employee deferrals and employer contributions, while the cash balance plan adds a pension benefit funded according to actuarial calculations. Age, compensation, plan design, employee census data, and the target benefit all influence the required contribution.

For an older owner with fewer years until retirement age, the actuarial calculation may support a larger deductible contribution than a defined contribution plan could accept on its own. The calculation remains specific to the plan and the participant. It should come from the plan’s actuary or third-party administrator rather than from a generic online maximum.

The structure also creates responsibilities that an ordinary side account doesn’t carry. Funding rules, annual valuations, plan documents, employee eligibility, and ongoing administration become part of the firm’s operating calendar. A plan may be highly effective when profits are durable and ownership has a clear time horizon, while volatile cash flow or an imminent sale can make the required consistency harder to support.

Why Late-Career CPA Owners May Be Strong Candidates

Age and income are the most visible factors, but they are only the starting point. A practical review also considers how predictable the practice’s profits have been, how much liquidity the firm maintains, how benefits would extend to eligible employees, and whether the owners expect to keep operating long enough for a multiyear design to make sense.

CPA firm owners may be comfortable coordinating estimates, true-ups, deadlines, and documentation. That operating discipline can help because a well-run cash balance plan requires ongoing work among the retirement specialist, actuary, third-party administrator, payroll team, and tax professional. The firm still needs enough capacity to manage the process and fund the plan during years that are less profitable than the forecast.

Employee demographics can change the result materially. A stable firm with an older ownership group and a smaller employee base may present a different design opportunity than a growing practice with many younger employees. Neither profile produces an automatic answer. The census determines how coverage and nondiscrimination requirements affect the owner benefit and the total employer cost.

The Contribution Framework Is Larger, but It Is Not a Flat Allowance

The 2026 annual benefit limit for a defined benefit plan is $290,000.³ That number is a benefit limit, not permission to contribute $290,000 automatically. A participant’s allowable and required funding depends on the plan formula, age, compensation, years until retirement, actuarial assumptions, and other plan-specific facts.

When the design works, a late-career owner may be able to fund retirement through two coordinated layers. The 401(k) and profit-sharing plan continue their defined contribution roles, while the cash balance plan funds a promised pension benefit. This combination may create substantially more tax-deferred accumulation during peak earning years.

Larger qualified-plan funding can also help reduce dependence on a future practice sale. A firm may remain an important retirement asset, but its value, deal structure, and payment timing are uncertain until a transaction closes. Building more capital outside the practice gives the owner another source of retirement funding. That approach complements a broader review of practice concentration risk and the way practice equity coordinates with retirement accounts.

The Tradeoffs That Shape the Decision

The first tradeoff is commitment. Cash balance plans are generally designed as ongoing arrangements rather than one-year tax moves. A contribution that feels comfortable after an excellent year may place pressure on the firm after a client loss, a hiring push, or a softer filing season. Plan design should leave room for the business cycle that the owners can reasonably expect, not the best year in the forecast.

The second tradeoff is the total employee cost. Coverage and nondiscrimination rules prevent the owner benefit from being designed in isolation. Eligible employees may need meaningful benefits, so the analysis should compare the owner’s projected accumulation and deduction with the full employer funding requirement.

The third tradeoff is administration. Annual actuarial work, valuations, filings, and compliance oversight add expense and coordination. PBGC coverage may also apply, and the 2026 flat-rate premium for a covered single-employer plan is $111 per participant.⁴ The premium alone is unlikely to control the decision, but it belongs in a complete cost estimate.

Investment results and funding requirements also interact differently than they do in a 401(k). The plan promises a defined benefit, and the employer generally bears the investment risk associated with funding that promise. A disciplined investment policy, realistic assumptions, and clear annual coordination can reduce unpleasant surprises.

Employee Demographics and Ownership Plans

A plan analysis that starts with the owner’s desired contribution and postpones the employee census can produce an unrealistic result. The census should be part of the first design discussion because employee ages, compensation, tenure, and eligibility affect the cost of providing a compliant benefit.

Ownership structure adds another layer. Partners may have different ages, retirement dates, compensation levels, and funding goals. A design that fits one partner could be difficult for another, particularly if a buyout or succession event is approaching. Those differences should be modeled before the firm commits to a formula.

The planning objective also needs to be specific. Accelerating deductions over a seven-year runway, building more assets outside the practice, and smoothing taxable income before a buyout are related goals, though each can lead to a different design. A prior review of qualified plan choices for CPA practice owners can help frame how cash balance funding fits alongside other plan types.

Timing and the Remaining Runway

A cash balance plan can create substantial contribution capacity, but the strategy gains much of its value through coordinated funding over several years. Starting the review while the firm still has a meaningful operating runway gives the owners more flexibility around plan design, employee benefits, and the timing of a future practice transition.

Waiting until a sale is imminent can narrow those options. Earnings may soften sooner than expected, a successor may want a faster transition, or a new hire may change the employee economics. Earlier analysis doesn’t require the owners to adopt a plan. It provides time to compare designs and understand which business changes could alter the result.

The plan should also fit the household’s retirement income needs. Higher contributions during peak earning years can strengthen accumulation, but they don’t determine when the owner should retire, how practice proceeds will be taxed, or how future spending should be funded. Those decisions still require coordination across investments, Social Security, business succession, tax planning, insurance, and household cash flow.

In Conclusion

For a late-career CPA with strong income and a shorter accumulation window, a cash balance plan may create retirement funding capacity that a 401(k) alone cannot provide. The opportunity depends on more than the headline contribution. Sustainable cash flow, employee costs, ownership alignment, administration, and the remaining business runway all shape whether the plan can do its job.

A useful next step is a plan-specific feasibility review built from current census, compensation, cash-flow, and retirement-timing data. That review can show how a cash balance plan might coordinate with the firm’s existing 401(k), practice value, and personal retirement income plan before the owners make a multiyear commitment.

If you would like to evaluate the strategy for your own practice, schedule a meeting with CPA Retirement Solutions.

Sources

¹ Internal Revenue Service, “401(k) and Profit-Sharing Plan Contribution Limits”.

² Internal Revenue Service, “Retirement Plans Definitions”.

³ Internal Revenue Service, Notice 2025-67 in Internal Revenue Bulletin 2025-49.

⁴ Pension Benefit Guaranty Corporation, “Premium Rates”.