AE Tax Advisors on Advanced Retirement Strategies: How High-Income Business Owners Can Shelter Hundreds of Thousands in Tax-Deferred Wealth Each Year

There is a version of retirement planning that most high-income business owners have experienced: the CPA recommends a SEP-IRA or a Solo 401(k), the business owner contributes the maximum allowed, and both parties proceed with the understanding that the retirement planning box has been checked. For a business owner earning $200,000 annually, this approach is reasonable. For a business owner earning $500,000, $700,000, or more, it represents a significant and costly underutilization of the retirement-planning tools the tax code provides.
The gap between what a SEP-IRA or Solo 401(k) allows and what an advanced retirement structure allows is not measured in thousands of dollars at high-income levels—it is measured in the hundreds of thousands per year. A business owner earning $700,000 annually who is limited to a $70,000 SEP-IRA contribution is sheltering approximately 10% of their income in a tax-deferred vehicle. The remaining 90% is exposed to federal and state income taxes at marginal rates that, for high earners in high-tax states, approach or exceed 50% combined. A retirement plan that covers only 10% of the income the owner would like to shelter is not a comprehensive strategy; it is a starting point mistaken for a destination.
AE Tax Advisors has built its retirement planning practice around closing this gap. The firm works exclusively with high-income business owners, and retirement-vehicle optimization is consistently among the two or three most significant sources of annual tax savings it delivers. The strategies involved are not new or experimental. They are established provisions of the tax code that have been available for years and that thousands of high-income business owners use annually to shelter contributions that far exceed the limits of standard defined contribution plans. The reason most business owners who could benefit from them have not implemented them is simply that their previous advisors lacked either the scope or the specialized knowledge to design and recommend them.
The Real Cost of Underutilizing Retirement Vehicles at High Income
Before examining the advanced strategies available to high-income business owners, it is worth quantifying the cost of not using them. Consider a business owner earning $700,000 annually in a combined federal and state tax environment, with a marginal rate of 48%. They contribute $70,000 to a SEP-IRA each year, producing a tax savings of $33,600. This is real value, and the advisor who recommended the SEP-IRA is not wrong.
Now consider what is available to the same business owner through a defined benefit plan. Based on their age, income, and retirement timeline, an actuarial calculation might support annual contributions of $280,000. Every dollar of that contribution is fully deductible. At the same 48% marginal rate, a $280,000 contribution produces a tax savings of $134,400. The difference between the SEP-IRA outcome and the defined benefit outcome is $100,800 in annual tax savings. Over ten years, assuming the marginal rate remains constant, the defined benefit approach produces $1,008,000 more in cumulative tax savings than the SEP-IRA approach. That is more than a million dollars in additional wealth retained by the business owner rather than surrendered to tax authorities—from a strategy that has been available all along.
The growth inside the plan further compounds this advantage. Contributions to a defined benefit plan grow in a tax-deferred environment, meaning that dividends, interest, and capital gains within the plan are not taxed annually. At a 7% annual return over ten years, a $280,000 annual contribution accumulates to approximately $3,870,000. A $70,000 annual contribution at the same return accumulates to approximately $967,000. The defined benefit approach produces not just larger annual deductions but also a meaningfully larger retirement asset base, and the tax-deferred compounding of the larger contributions amplifies the difference over time.
Defined Benefit Plans: The Mechanism That Makes High Contributions Possible
A defined benefit plan is a qualified retirement plan that commits the sponsoring employer to providing a specified retirement benefit to the participant, expressed as a monthly income at a defined retirement age. The IRS limits the maximum annual benefit that can be funded under such a plan, and the plan’s actuary calculates the annual contribution required to fund that maximum benefit, given the participant’s current age, compensation, years of plan participation, and the assumed investment return within the plan.
The critical feature of the defined benefit calculation is that it front-loads contributions for older participants with fewer years to fund the target benefit. A 45-year-old participant has twenty years to fund the benefit and can make smaller annual contributions to reach the target. A 55-year-old participant has ten years and must make larger annual contributions. A 62-year-old participant has only a few years and may be able to contribute the largest amounts of all. This actuarial reality means that defined benefit plans are most powerful for business owners in their late 40s, 50s, and early 60s—precisely the demographic that most needs to accelerate retirement savings and benefits most from the tax deduction at a high marginal rate.
The maximum annual benefit that can be funded under a defined benefit plan is indexed annually by the IRS. The annual contribution required to fund that benefit can exceed $300,000 for certain participants, depending on their age, compensation, and plan design. Every dollar contributed is a fully deductible business expense in the year it is made. The plan assets grow inside a tax-deferred trust managed by the plan’s trustee. At retirement or separation, the participant can take the benefit as a monthly annuity or, in many plan designs, as a lump sum that is rolled into an IRA for continued tax-deferred growth.
AE Tax Advisors designs and implements defined benefit plans for eligible clients, coordinating with actuaries who perform the annual calculations required to maintain the plan’s qualified status and determine each year’s contribution. The firm ensures that the plan design is optimized for the client’s specific situation: their age, compensation history, existing retirement assets, the presence of employees who must be covered, and the interaction between the defined benefit contribution and the client’s other tax strategies.
Cash Balance Plans: The Modern Hybrid That Combines Power with Clarity
Cash balance plans have emerged as the preferred defined benefit vehicle for many high-income business owners because they preserve the high contribution limits of traditional defined benefit plans while addressing some of the features that make those plans feel opaque or inflexible. In a cash balance plan, each participant has a clearly defined hypothetical account balance that grows at a specified interest crediting rate, typically tied to Treasury yields or a fixed rate established in the plan document. The participant can see exactly how their benefit is growing year by year, and it is expressed as a lump-sum account balance rather than a monthly income stream, which most participants find more intuitive.
From a tax and contribution perspective, a cash balance plan functions exactly like a traditional defined benefit plan: the actuarial calculation determines the required annual contribution based on the participant’s age, compensation, and the growth needed to fund the target account balance, and every dollar contributed is fully deductible. The allowable contributions at different ages and income levels are comparable to those of traditional defined benefit plans and dramatically exceed the limits of defined contribution plans.
Cash balance plans are particularly well-suited to professional services firms, partnerships, and businesses with multiple owner-employees who want to maximize retirement contributions simultaneously. The plan can be designed to credit different participants at different rates based on age and compensation, allowing older and more highly compensated partners to receive larger annual credits while remaining compliant with the nondiscrimination rules that govern qualified plans. A firm with three partners at different ages and income levels can design a cash balance plan that provides each partner with a contribution level appropriate to their situation, coordinated with the firm’s existing 401(k), to maximize each participant’s total allowable contribution.
AE Tax Advisors designs cash balance plans in combination with profit-sharing 401(k) plans for clients who can maintain both simultaneously. This combination maximizes the total allowable annual contribution—which, at certain ages and income levels, can exceed $400,000—while keeping the plan structure as simple as the participant’s situation allows. The firm coordinates every aspect of plan design, implementation, and ongoing administration, ensuring that the plan remains compliant, fully funded, and continuously optimized as the client’s income and goals evolve.
The Interaction Between Retirement Strategy and the Broader Tax Architecture
One of the most important services AE Tax Advisors provides is integrating retirement strategy with the other elements of the client’s tax plan. Advanced retirement vehicles do not operate in isolation—they interact with entity structure, S-Corp salary determination, cost segregation deductions, qualified business income calculations, and state tax planning in ways that affect the net value of each element.
The most consequential interaction for S-Corp clients is between reasonable salary determination and retirement plan contribution limits. Defined benefit and cash balance plan contributions are based on the participant’s W-2 compensation, which, in an S-Corp, is the salary rather than total distributions. A business owner who sets their salary at $100,000 to minimize self-employment tax may find that this salary level limits their allowable defined benefit contribution below what would be possible at a higher salary. Conversely, increasing the salary to expand the retirement contribution limit increases payroll tax costs. The optimal salary level minimizes the combined cost of self-employment taxes and income taxes after accounting for the retirement contribution deduction—requiring modeling that considers all variables simultaneously.
AE Tax Advisors builds this integrated model for every S-Corp client with a defined benefit or cash balance plan, identifying the salary level that produces the optimal aggregate outcome rather than optimizing any single variable in isolation. This integration is standard practice at the firm and highlights the difference between compliance-focused and planning-focused advisory work: the compliance advisor sets the salary at a level that satisfies the reasonable compensation requirement and moves on, while the planning advisor models the interaction between salary, self-employment tax, and retirement contributions to maximize the client’s total after-tax wealth.
The Irreversibility of Delay and the Urgency of Implementation
Every year that passes without an advanced retirement structure in place is a year of maximum allowable contributions that cannot be recovered. The tax code does not provide catch-up mechanisms for defined benefit and cash balance plan contributions in the same way it does for standard defined contribution plans. Contributions not made in a prior year are simply lost, and the tax savings they would have produced are permanently foregone.
For a business owner in their mid-50s with ten to fifteen years of viable defined benefit participation ahead, the urgency of starting is both real and quantifiable. A business owner who implements a plan at age 54 and contributes $250,000 annually for fifteen years will shelter $3,750,000 in tax-deductible contributions over that period. A business owner who waits until age 59 and contributes the same amount for ten years will shelter $2,500,000. That five-year delay costs $1,250,000 in deductible contributions and, at a 48% marginal rate, $600,000 in cumulative tax savings—plus the lost tax-deferred compounding on the difference in accumulated balance over the full retirement period.
AE Tax Advisors communicates this timing reality clearly and early with every eligible client, ensuring that business owners make retirement planning decisions with a full understanding of the cost of delay. Implementing a qualified defined benefit or cash balance plan requires actuarial design, plan documentation, and funding by the tax return filing deadline for the plan year. AE Tax Advisors begins the implementation process well in advance of year-end for each client where a new plan is appropriate, ensuring that the design, documentation, and funding are completed in time to capture the full year’s deduction.
For business owners engaging with AE Tax Advisors for the first time—and who have not previously implemented advanced retirement strategies—the first full year of implementation marks the beginning of a compounding benefit that, sustained over the remaining years of the business, can reshape both the retirement account and the lifetime tax burden in ways that few other strategies can match.
To learn more about how AE Tax Advisors designs and implements advanced retirement strategies for high-income business owners, visit aetaxadvisors.com.



