Retirement Accounts for the Self-Employed: Solo 401(k) vs. SEP IRA in 2026

If you are self-employed, a freelancer, a gig worker, or the owner of a business with no employees apart from your spouse, you have access to retirement accounts that most Americans can only dream about. The Solo 401(k) and the SEP IRA were built for people exactly like you — people who carry the full weight of their own retirement on their own shoulders, with no employer match and no pension waiting at the end. And yet, the vast majority of self-employed families I meet have never opened one, have never maxed one, and have no idea how much they are leaving on the table every single year. That is not a small oversight. That is a generational wealth gap, and it is entirely preventable.

I'm Damon Boswell, and alongside my wife, Lady Ashley Boswell, I mentor self-employed families through the exact retirement strategy we use ourselves. Through Damon's work at ASAP Capital Solutions and the mentorship we provide together, we have watched countless entrepreneurs go from no retirement plan at all to a fully funded, tax-advantaged, multi-account strategy that shelters tens of thousands of dollars of income every year. In this guide, Damon Boswell will walk you through the 2026 contribution limits for both the Solo 401(k) and the SEP IRA, the catch-up rules that reward late starters, the strategic differences between the two, and the Kingdom mindset that treats your retirement as a stewardship responsibility, not an afterthought.

The 2026 Landscape: Two Accounts, Two Different Powers

For 2026, the IRS raised the contribution limits again, and the numbers are worth paying attention to. The Solo 401(k) — also called the self-employed or individual 401(k) — allows aggregate contributions of up to $72,000 for those under 50, plus an additional $8,000 in catch-up contributions if you are age 50–59 or 64 and older. Those between age 60 and 63 can contribute an additional $11,250 under the SECURE 2.0 enhanced catch-up rule. The SEP IRA, by contrast, allows employer contributions of up to 25% of eligible employee compensation, capped at $72,000 for 2026. On the surface, the caps look similar. But the Solo 401(k) holds a decisive advantage for most self-employed families, and understanding why is the first step to using it well.

The difference comes down to how the two accounts treat your money. With a Solo 401(k), you contribute in two roles at once — as the employee and as the employer. The employee portion, called the salary deferral, lets you contribute up to $24,500 in 2026 before you even calculate the employer profit-sharing portion. That means a self-employed consultant earning $100,000 can contribute $24,500 as the employee plus roughly $18,587 as the employer, for a total of over $43,000 — all deductible. A SEP IRA, by contrast, has no employee deferral at all. The same consultant could contribute only about $18,587 to a SEP IRA, because the SEP is purely an employer contribution account. On $100,000 of income, that is a $24,500 difference — every single year — and it compounds into hundreds of thousands over a career.

The Solo 401(k): The Crown Jewel for the Self-Employed

The Solo 401(k) is, in Damon's view, the single most underused retirement account in America for the self-employed. It is available to freelancers, sole proprietors, LLC owners, S corporation shareholders, C corporation owners, and partnerships with no employees other than a spouse who earns income from the business. The 2026 employee deferral limit is $24,500 — up from $23,500 in 2025 — and you can contribute that portion as pre-tax or as Roth dollars, depending on what your plan allows. On top of that, you can contribute up to 25% of your compensation as the employer profit-sharing contribution, with total aggregate contributions capped at $72,000 for 2026, or $80,000 if you are 50+ and eligible for the $8,000 catch-up.

What makes the Solo 401(k) so powerful is the speed at which you can build a large balance. Because you can contribute as both employee and employer, you can front-load your retirement in a way a SEP IRA simply cannot match. Damon models this for every mentee: a self-employed professional earning $150,000 who maxes a Solo 401(k) at $62,000 in 2026 saves roughly $14,880 in federal taxes alone at a 24% bracket — before any state savings. Over ten years of maxed contributions invested at an average 8% return, that same family builds a retirement balance approaching $900,000. The SEP IRA path, contributing roughly $37,500 in the same scenario, builds about $540,000. The difference is not a rounding error. It is a different retirement entirely, and it is driven entirely by the account you choose.

• 2026 employee deferral limit: $24,500 (pre-tax or Roth, if your plan allows).
• 2026 employer profit-sharing: up to 25% of compensation.
• 2026 aggregate limit: $72,000 under 50; $80,000 with the $8,000 catch-up for age 50+.
• Age 60–63 enhanced catch-up: an additional $11,250 under SECURE 2.0.
• 2026 compensation cap for calculations: $360,000.
• Roth contributions allowed for the employee deferral — a powerful tax-diversification tool.
• Participant loans are allowed — a feature the SEP IRA does not offer.

The Solo 401(k) is the account the tax code built for the self-employed — and most never open one. Open it, max it, and let the two roles of employee and employer compound your retirement while you sleep. — Damon Boswell

The SEP IRA: Simpler, but Simpler Can Cost You

The SEP IRA is not a bad account — it is a simpler one. For 2026, the SEP IRA allows employer contributions of up to 25% of eligible employee compensation, capped at $72,000. For self-employed individuals, the effective limit is closer to 20% of net earnings after the self-employment tax deduction, because the calculation reduces your eligible compensation base. The SEP is beautiful in its simplicity: no annual filing requirement (unlike the Solo 401(k), which requires Form 5500-EZ once assets exceed $250,000), no complex administration, and you can establish and fund it as late as the extended tax filing deadline of your business. For a side hustler earning $40,000 a year, the SEP is a perfectly fine choice.

But for a serious self-employed family earning $100,000 or more, the SEP's simplicity becomes its limitation. Because the SEP has no employee deferral, you cannot layer the $24,500 employee contribution on top of the employer contribution. The result, as Damon showed earlier, is a roughly $24,500 annual contribution gap at $100,000 of income — a gap that exists at nearly every income level below the $360,000 compensation cap. Lady Ashley frames it for every family we mentor: 'The SEP IRA is the easy account. The Solo 401(k) is the wealthy account. Easy and wealthy are rarely the same door, and the self-employed family that walks through both is the family that retires with options.'

• 2026 SEP IRA limit: 25% of compensation, up to $72,000.
• Self-employed effective limit: roughly 20% of net earnings after SE tax deduction.
• No employee deferral — this is the SEP's core limitation.
• No catch-up contributions at all — another advantage the Solo 401(k) holds.
• No annual filing requirement — simpler administration than the Solo 401(k).
• Can be established and funded up to the extended business tax filing deadline.

Catch-Up Contributions: The Reward for Late Starters

One of the most important provisions in the tax code for self-employed families is the catch-up contribution — the ability to contribute extra dollars once you turn 50. For 2026, the Solo 401(k) catch-up is $8,000 for those age 50–59 or 64 and older, bringing the total employee deferral to $32,500. For those age 60–63, SECURE 2.0 introduced an enhanced catch-up of $11,250, bringing the employee deferral to $35,750. The SEP IRA, remarkably, offers no catch-up contribution at all — another reason the Solo 401(k) dominates for families who started late or who want to accelerate their savings in their peak earning years.

Damon teaches every mentee that the catch-up window is not a consolation prize for starting late — it is a strategic tool. Many self-employed families earn their highest income in their 50s and early 60s, after years of building a business. The catch-up provisions let you direct more of that peak income into tax-advantaged retirement accounts, sheltering it from taxes while it compounds for the years ahead. A family that maxes a Solo 401(k) at age 60 — $72,000 plus the $11,250 enhanced catch-up, for $83,250 total — and invests it for just five years at 8% growth builds over $122,000 per year of contributions into a six-figure retirement boost. Lady Ashley tells families, 'The catch-up is not for catching up on what you missed. It is for accelerating what God gave you in your peak years. Use it like the accelerator it is.'

The catch-up contribution is the tax code's way of saying: your peak earning years are your peak saving years. Don't waste them — max the account, and let your 60s fund your 80s. — Lady Ashley Boswell

Roth vs. Pre-Tax: The Diversification Decision

A powerful feature of the Solo 401(k) that the SEP IRA historically lacked is the ability to make Roth contributions for the employee deferral portion. A Roth contribution is made with after-tax dollars, but every dollar of growth and every dollar of withdrawal in retirement is completely tax-free. For a self-employed family that expects to be in a higher tax bracket in retirement — or that simply wants tax diversification across their accounts — the Roth Solo 401(k) is an extraordinary tool. Beginning in 2026, SECURE 2.0 also requires that participants age 50 and older with prior-year W-2 compensation of $150,000 or greater make any catch-up contributions on a Roth basis, a rule worth understanding if you are near that threshold.

Damon coaches families to think about tax diversification the same way they think about investment diversification — you do not want all your eggs in one tax basket. A family with a pre-tax Solo 401(k), a Roth Solo 401(k) portion, a Roth IRA, and a taxable brokerage account has the flexibility to control their taxable income in retirement by choosing which accounts to draw from each year. That flexibility, over a 20- or 30-year retirement, can save tens of thousands of dollars in taxes. Lady Ashley frames it simply: 'You cannot predict tax rates in 2046, but you can build a retirement that does not depend on guessing them. Tax diversification is the strategy that removes the guesswork.'

• Roth contributions are made with after-tax dollars — growth and withdrawals are tax-free.
• The Solo 401(k) allows Roth employee deferrals; the SEP IRA does not.
• Beginning in 2026, catch-up contributions for high earners (W-2 $150,000+) must be Roth.
• Tax diversification across pre-tax, Roth, and taxable accounts gives flexibility in retirement.
• A Roth balance is also a powerful estate-planning tool — heirs inherit it tax-free.

The Filing and Administrative Rules You Must Know

The Solo 401(k) carries one administrative responsibility the SEP IRA does not: once your plan's balance exceeds $250,000 at the end of a plan year, you must file Form 5500-EZ annually. It is a simple filing, but it is mandatory, and missing it carries penalties. The SEP IRA, by contrast, has no annual filing requirement at all — another reason some families prefer its simplicity. Damon always tells mentees not to let the Form 5500-EZ deter them from the Solo 401(k); the filing takes minutes, and the tens of thousands of dollars in extra contributions far outweigh the administrative cost.

The contribution deadline for both accounts is the business's tax filing deadline, including extensions — typically April 15, or October 15 if you file an extension. For the Solo 401(k), however, the employee salary deferral must be elected by the end of the business year, even though the deposit can come later. This is a critical timing rule Damon stresses to every mentee: you cannot retroactively elect to defer salary after the year ends. Plan ahead, make the election before December 31, and fund it by the extended deadline. Lady Ashley reminds families, 'The tax code rewards the prepared and punishes the procrastinator. The deadline is not the day you act — it is the last day you are allowed to act. Act early, fund on time, and sleep through the deadline.'

Pairing Retirement Accounts With Your Wealth Strategy

Retirement accounts do not exist in isolation — they are one piece of an integrated wealth strategy. Damon walks every mentee through how the Solo 401(k) or SEP IRA fits alongside the other tools we teach: the HSA with its triple tax advantage, the Roth IRA for tax-free growth, real estate for cash flow and appreciation, business credit for funding, and the entity structures that protect everything. A family that maxes a Solo 401(k), maxes an HSA, funds a Roth IRA, owns two cash-flowing rentals, and operates under an LLC has built a wealth engine that most Americans never assemble — and each piece amplifies the others.

The tax interaction matters too. Retirement contributions reduce your taxable income, which can keep you under the thresholds for QBI deduction phase-ins, keep your modified AGI in range for Roth IRA eligibility, and lower your effective tax rate on the rest of your income. Damon models multi-year scenarios for mentees where strategic timing of retirement contributions, depreciation from real estate, and business deductions keeps taxable income in the optimal band year after year. Lady Ashley frames it: 'A retirement account is not a retirement decision. It is a tax decision, a wealth decision, and a legacy decision all at once. Treat it as one gear in the engine, and the whole machine runs smoother.'

The Kingdom Dimension: Stewarding Your Own Retirement

For Damon and Lady Ashley, retirement planning is not about accumulation for its own sake — it is about stewardship and freedom. 1 Timothy 5:8 tells us that anyone who does not provide for their relatives, and especially for their own household, has denied the faith and is worse than an unbeliever. The self-employed family that refuses to plan for the years when they can no longer work is not walking in freedom — they are walking in a quiet kind of bondage, dependent on the next deal to keep the lights on. A funded retirement account is the opposite of bondage. It is the financial freedom that lets you serve, give, and live with open hands because your needs are met.

Damon teaches that the discipline of maxing a retirement account year after year — the patience, the consistency, the deferred gratification — is the same discipline that builds a marriage, a family, and a legacy. The family that cannot defer gratification enough to fund a Solo 401(k) will struggle to defer it in any other area. The family that can let a balance compound for 30 years has mastered a fruit of the Spirit that transfers to every corner of life. Lady Ashley frames it: 'A funded retirement is not a pile of money. It is a pile of freedom — the freedom to serve God without fear, to give without anxiety, to rest without shame, and to leave an inheritance without apology. That is the stewardship Damon Boswell teaches every family we mentor.'

A retirement account is not a pile of money. It is a pile of freedom — the freedom to serve, to give, to rest, and to leave an inheritance. Steward it well, and it steward you into your greatest years. — Damon Boswell

Your Next Step: Open and Max the Account Built for You

If you are self-employed and you have never opened a Solo 401(k) — or you have one but have never maxed it — this is your invitation to act. Open a Solo 401(k) with a low-cost provider that offers Roth options and strong investment choices. Set your contributions to max the 2026 limit — $24,500 as the employee, plus up to 25% as the employer, up to the $72,000 aggregate, plus the $8,000 catch-up if you are 50+. If you already have a SEP IRA, consider whether the Solo 401(k) is worth the switch for your income level — for most serious self-employed families, it is. Elect your salary deferral before the business year ends, fund it by the extended deadline, and let it compound for decades.

If you are ready to integrate your retirement accounts into a complete wealth and tax strategy — to coordinate your self-employed retirement, your HSA, your real estate, your business structure, and your tax position into one disciplined plan — Damon Boswell and Lady Ashley Boswell would be honored to help. Through Express DIY Credit Repair, ASAP Capital Solutions, and the mentorship we provide together, Damon Boswell helps self-employed families build tax-efficient wealth that honors God, serves the family, and endures for generations. Book a call and let's build your retirement roadmap together. Because the account built for you is waiting — and the family disciplined enough to max it is the family that retires with freedom.