The Cash Balance Plan a 58-Year-Old Solo Consultant Is Using to Shelter $312,000 a Year From Federal Tax

1 hour ago 3

David Beren

Sat, May 30, 2026 astatine 9:27 AM CDT 5 min read

Quick Read

A Cash Balance Plan stacked connected a Solo 401(k) allows high-earning solo consultants earning $480,000+ to defer an further $190,000 to $240,000 annually, totaling $305,000 to $355,000 successful combined pre-tax sheltering and generating astir $118,000 successful contiguous national and authorities taxation savings per year.
The Cash Balance Plan requires a 3- to 5-year backing commitment, yearly actuary fees of $1,500 to $3,500, and readying for aboriginal Roth conversions during post-retirement low-income years, making it worthwhile lone for solo practitioners with unchangeable gross and nary employees.
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A 58-year-old strategy advisor moving solo, with 2025 nett Schedule C income of $480,000, has already filled the evident status buckets. Her Solo 401(k) is maxed astatine the $24,500 worker deferral positive the $8,000 catch-up, and she layered different $47,500 successful leader profit-sharing connected top, for $80,000 of pre-tax sheltering. She wants to defer more, and the conveyance she is utilizing to bash so, a Cash Balance Plan, is 1 of the fewer qualified plans that tin beryllium stacked on apical of a Solo 401(k).

The concern successful plain presumption

This illustration regularly appears successful r/financialindependence and r/tax threads: a high-billing consultant, lawyer, oregon doc operating arsenic a sole proprietor oregon single-member S-corp who has crossed into the apical national taxation brackets but inactive has 5 to 10 moving years left. The Solo 401(k) caps retired agelong earlier the taxation measure stops growing.

Every dollar supra the 2026 single-filer threshold of $256,225 is taxed astatine 35%, and each dollar supra $640,600 is taxed astatine 37%. Add authorities income taxation and self-employment tax, and the marginal outgo of an unsheltered dollar runs adjacent 40 cents connected the dollar.

Read: Data Shows One Habit Doubles American’s Savings And Boosts Retirement

Most Americans drastically underestimate however overmuch they request to discontinue and overestimate however prepared they are. But information shows that people with 1 habit person much than treble the savings of those who don’t.

Age: 58, astir 7 years from a planned status astatine 65
Income: $480,000 nett Schedule C, nary employees too herself
Already sheltered: $115,500 via Solo 401(k)
Open question: what to bash with the adjacent ~$300,000 of marginal income
At stake: astir $118,000 successful yearly national and authorities tax

Why a Cash Balance Plan changes the mathematics

A Cash Balance Plan is an IRS-qualified defined-benefit plan. The publication bounds is acceptable by an actuary based connected the participant's age, compensation, and a people payment astatine status age. Older participants tin lend much due to the fact that determination are less years for the contributions to turn into the people benefit.

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