#solo-401-k
Solo 401(k)
One-participant 401(k) plans for self-employed individuals, contribution limits, and Roth options
Solo 401(k) vs. SEP-IRA in 2026: Picking the Self-Employed Retirement Plan That Actually Shelters the Most Income
A 2026 comparison of solo 401(k) and SEP-IRA plans for the self-employed, with contribution math at $60K, $120K, and $300K of net income, SECURE 2.0 Roth catch-up and super catch-up rules, setup deadlines, and a decision framework for picking the plan that shelters the most income.
Defined Benefit Plans: The Six-Figure Tax Shelter Most Solo Professionals Miss
Defined benefit and cash balance plans let high-earning solo professionals over 45 deduct $150,000 to $290,000 a year — three to four times what a SEP-IRA or Solo 401(k) allows. This guide walks through the contribution math, candidate profile, costs, deadlines, and how to stack a DB plan on top of a Solo 401(k).
Form 5500-EZ Solo 401(k) Filing Threshold: When Self-Employed Plans Cross the $250,000 Asset Trigger
A Solo 401(k) crosses into mandatory Form 5500-EZ filing once combined plan assets exceed $250,000 on the last day of the plan year. Late filings cost $250 per day up to $150,000 annually, but Rev. Proc. 2015-32 caps catch-up filings at $1,500 per plan if no penalty notice has been issued.
Cash Balance Plans for High-Income Solo Practitioners: How Doctors, Lawyers, and Consultants Defer Six Figures Tax-Free
U.S. cash balance pension plans let solo doctors, attorneys, and consultants deduct $100,000–$370,000 a year on top of a Solo 401(k). 2026 contribution limits, a worked example for a 54-year-old physician, and the actuarial commitments to weigh before signing.
The Backdoor Roth IRA: A Step-by-Step Guide for High Earners in 2026
The Backdoor Roth IRA lets high earners contribute up to $7,500 a year to tax-free retirement growth by pairing a nondeductible traditional IRA contribution with a Roth conversion. Covers the five-step process, the pro-rata rule that derails most attempts, Form 8606 filing, and the recordkeeping that prevents being taxed twice.
Mega Backdoor Roth: How High Earners Stash $47,500+ Per Year in Tax-Free Retirement Accounts
In 2026, the Mega Backdoor Roth can move up to $47,500 of after-tax 401(k) money into Roth above the $24,500 elective deferral limit. This guide covers how the strategy works, the three plan features it requires, how the 401(k) pro-rata rule differs from the IRA version, and the mistakes that quietly erode its value.
Solo 401(k) vs SEP IRA: The Self-Employed Retirement Plan Decision That Could Save You Thousands
In 2026, a self-employed person earning $100,000 can contribute about $18,587 to a SEP IRA versus $43,087 to a Solo 401(k). This guide compares 2026 contribution limits, Roth options, December 31 deadlines, and Form 5500-EZ filing thresholds so freelancers and consultants can choose the right plan.