The Defined Benefit Accelerator
A hypothetical illustration of how a high-income business owner could use a defined benefit plan to shelter over $200,000 per year in tax-deductible contributions — potentially building significant retirement assets while reducing their current tax burden.
High income, high taxes, limited shelter
For high-earning professionals and business owners, the standard retirement playbook falls short. A 401(k) allows $23,500 in employee deferrals per year. For someone earning $500K+, that shelters less than 5% of their income. The rest gets taxed at the highest marginal rates — and there's seemingly no way to accelerate the path to financial independence.
But for business owners willing to think differently, there's a tool most advisors overlook: the defined benefit pension plan. When paired with a strategic business acquisition, the math changes dramatically.
Client profile — Dr. Stephen & Rachel Carter*
Dr. Carter was saving diligently through his practice's 401(k), but at $23,500 per year, it would take decades to build the kind of retirement capital he needed. His taxable brokerage account was growing — but so was the annual tax drag. He felt stuck: too much income to shelter, too many productive years left to simply wait it out.
Why a defined benefit plan changes everything
Most retirement plans limit how much you can put in each year. A defined benefit plan flips that on its head. Instead of a fixed contribution cap, the limit is based on the promised retirement benefit — and for older, higher-income owners, the required contributions to fund that benefit can be massive.
| Plan Type | Annual Limit | 10-Yr Contributions |
|---|---|---|
| Roth IRA | $7,000 | $70,000 |
| 401(k) (Employee Only) | $23,500 | $235,000 |
| Solo 401(k) (Max w/ Employer) | $69,500 | $695,000 |
| Defined Benefit Plan (Age 52) | $225,000+ | $2,250,000+ |
The defined benefit plan allows Dr. Carter to contribute more than 3x what a maxed-out Solo 401(k) allows — and every dollar is tax-deductible to the business. For someone in the 37% federal bracket plus state taxes, this isn't just a retirement strategy — it's the single most powerful tax reduction tool available.
Acquire a business. Stack the deductions.
Dr. Carter's medical practice was already generating strong income — but adding a second business created the opportunity to layer multiple tax strategies on top of each other.
Acquire a profitable service business
We sourced and structured the acquisition of a commercial cleaning company generating $1.1M in revenue with $310K in owner earnings. The business came with $195,000 in vehicles, equipment, and FF&E — all eligible for accelerated depreciation. Dr. Carter invested $250K from his taxable brokerage (selling high-basis positions) and financed the remainder through an SBA loan.
Establish a defined benefit plan on the acquired business
We established a cash balance defined benefit plan on the new business with Dr. Carter as the owner-participant. Based on his age (52) and target benefit, the actuary calculated a required annual contribution of approximately $225,000 — fully deductible against the business's income. This was layered on top of a profit-sharing plan for an additional $69,500 in 401(k) contributions.
Capture Year 1 depreciation + DB deduction
In the first year, Dr. Carter stacked: $195K in Section 179/bonus depreciation on FF&E, $225K in defined benefit plan contributions, and $69.5K in 401(k) profit-sharing. The combined deduction of nearly $490K not only sheltered the business's earnings but created a loss that offset a significant portion of his medical practice income. This generated a six-figure tax refund.
Annual compounding — years 2 through 10
Each year, the defined benefit plan requires its ~$225K contribution (tax-deductible), funded by the business's cash flow. Inside the DB plan, assets grow tax-deferred. Simultaneously, Dr. Carter systematically liquidated his taxable brokerage — using the lower effective tax rate created by the deductions to harvest gains at favorable rates and fund Roth conversions.
Retirement distribution & rollover
At retirement, the defined benefit plan balance rolls over to an IRA — and strategic Roth conversions begin in earnest during lower-income retirement years. The business can be sold, retained for passive income, or transitioned to a manager. Dr. Carter retires with a dramatically larger, more tax-efficient portfolio than the traditional path would have produced.
The annual cash flow architecture
$195K FF&E Depreciation
+ $225K DB Plan Contribution
+ $69.5K 401(k) / Profit Share
$225K DB Plan Contribution
+ $69.5K 401(k) / Profit Share
A retirement transformed
Estimated retirement assets at age 62 using standard 401(k) contributions and taxable account growth, based on hypothetical returns (after ongoing tax drag).
Estimated retirement assets including DB plan balance, business equity, 401(k), and remaining portfolio — assuming hypothetical returns and current tax law.
| Component | Estimated Value (Age 62)* |
|---|---|
| Defined Benefit Plan (rolled to IRA) | $2,800,000+ |
| 401(k) / Profit Sharing Balance | $420,000+ |
| Business Equity (if retained) | $600,000+ |
| Remaining Investments & Roth | $380,000+ |
| Estimated Cumulative Tax Reduction | $780,000+ |
| Total Estimated Retirement Wealth | $4,200,000+ |
The generosity multiplier
For the Carters, this wasn't just about retiring comfortably — it was about retiring with the capacity to give. With an estimated $780K+ in tax reduction and a potentially significant DB plan balance, they may have the resources to fund their church's building campaign, establish a scholarship endowment, and leave a meaningful inheritance for their children — while maintaining their lifestyle in retirement. Strategic tax planning isn't about avoiding obligations. It's about potentially redirecting dollars from taxes to your priorities.
What makes this work (and what to watch)
- Age is an advantage. Defined benefit contribution limits increase significantly with age. A 52-year-old can contribute roughly 3x what a 40-year-old can. This makes the DB plan especially powerful for professionals in their late 40s to early 60s.
- The business must generate sufficient cash flow. DB plan contributions are mandatory once established — the actuary sets the required annual contribution, and the business must be able to fund it. This is why acquiring a profitable, stable business is critical.
- Employee considerations matter. If the acquired business has employees, the DB plan must cover them under nondiscrimination rules. The ideal candidate is a business with few or no full-time employees. A third-party administrator (TPA) will design the plan to maximize owner benefits within IRS guidelines.
- Actuarial costs are real but small. A DB plan requires annual actuarial valuations, typically $2,000–$5,000 per year. Against a $225K deduction saving $80K+ in taxes, the administrative cost is negligible.
- Exit strategy is built in. At retirement, the DB plan terminates and the balance rolls into an IRA. From there, strategic Roth conversions over multiple years can migrate the funds into tax-free status.
The ideal candidate
- You earn $300K+ annually and feel like you're sending too much to the IRS with no good options to reduce it.
- You're between 45 and 62 — old enough for large DB contributions, young enough to benefit from a decade of compounding.
- You're open to acquiring or already own a business with consistent cash flow that can fund the mandatory annual contributions.
- You want to accelerate your retirement timeline rather than waiting 20+ years for a 401(k) to compound.
- You value intentional stewardship — you want your wealth to fund the things you care about, not just survive taxes.
Important Disclosures
"Dr. Stephen & Rachel Carter" is a hypothetical illustration used for educational purposes only. This case study does not represent any actual client or guarantee of results. All figures are projections based on assumed rates of return, tax rates, actuarial calculations, and business performance — actual results will vary significantly based on individual circumstances.
Defined benefit plan contribution limits depend on multiple factors including age, compensation history, plan design, and actuarial assumptions. Contributions are mandatory once a plan is established. Defined benefit plans involve significant administrative requirements and costs. Business acquisitions involve significant risk, including the potential loss of invested capital. This material is not investment advice, tax advice, or a solicitation to buy or sell any security. Tax laws are subject to change. Remnant Wealth LLC is a registered investment advisory firm. Registration does not imply any level of skill or training. Remnant Wealth LLC does not provide legal or tax advice.