Business Formation
We handle the paperwork, filings, and setup.
Tax Management
Most solopreneurs overpay. We'll make sure you don't.
Automate Finances
Expenses, payroll, compliance
and bookkeeping.
Benefits
Healthcare, dental, vision
and accident coverage.
Not sure what you need?
See everything Lettuce does for your business in one place.
SOLOHQ
You didn't go solo to give up on retirement
Run your business-of-one as an S Corp and build your future — with a Solo 401(k) built for S Corp owners.
SPECIAL OFFEREarn a cash bonus up to $500 when you fund a Carry Solo 401(k) by Feb. 15, 2027. Details below.
What is a Solo 401(k)?
A Solo 401(k) is a retirement plan for business owners with no employees. Lettuce provides access to a Carry Solo 401(k) and everything else your business-of-one needs: taxes, accounting, and optional healthcare.
Learn more at Carry Carry Membership required; first-year discount for Lettuce members.
It's easy to start
Open your Carry plan online in 10 minutes.
Roll over accounts
Move an old 401(k), IRA, 403(b) and others.
Traditional or Roth
Pick pre-tax savings now, Roth savings later, or both.
More ways to invest
You can invest in assets beyond just stocks and bonds.
How does a Solo 401(k) work for S Corp owners?
Since you're both the employee and employer, there are two ways to make contributions, and both can lower your taxable income.
LETTUCE RETIREMENT BONUS MATCH
Start saving, and get up to $500 on us
Join Lettuce Pro, open and fund a Carry Solo 401(k) by February 15, 2027, and we'll add a bonus that matches dollar-to-dollar to your contributions, up to $500.
Cash bonus from Lettuce Financial Labs Inc., paid to your business or personal checking account, not to your 401(k) or its bank account. It is not an employer or plan contribution. Requires a new annual Carry Membership. Taxable. First 2,000 enrollees. Terms apply.
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Join Lettuce Pro |
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Open a Carry Solo 401(k) |
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Contribute by Feb 15, 2027 |
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Claim Your Bonus Match by March 31, 2027 |
Run your numbers
See what you could put away this year
Your Solo 401(k) total
$44,500
Where your profit goes
A salary of $190,000 or more reaches the $72,000 max, if your profit can cover it.
For illustration only. Uses 2026 limits. Your limits depend on your salary, age, and other plans. Lettuce doesn’t provide individualized tax, legal, or investment advice. Talk to a tax professional about your specific situation.
Ready to build your retirement?
Join Lettuce Pro, and we'll setup or migrate your business and unlock access to retirement (and healthcare), plus taxes and accounting — all in one membership. Build the retirement you want, on your timeline.
Retirement FAQs
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Who can open a Solo 401(k)?
Business owners with no full-time employees other than themselves (and a spouse, if applicable). If you're running an S Corp through Lettuce, you likely qualify.
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How much can I contribute in 2026?
Up to $24,500 as the employee, plus up to 25% of your W-2 salary as the employer, for a combined limit of $72,000. Add catch-up contributions of $8,000 if you're 50+, or $11,250 if you're 60–63..
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Can I move my existing 401(k) or IRA?
Yes. You can roll over an old 401(k), IRA, 403(b), SEP IRA, or SIMPLE IRA into your Lettuce Solo 401(k).
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Do I have to move my existing 401(k) or IRA?
No. You can choose not to roll over your existing accounts and still use the Solo 401(k) with contributions from your directly from your Lettuce payroll.
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Can I choose Traditional or Roth?
Yes — contribute pre-tax, Roth (after-tax), or a mix of both.
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Do I have to join Lettuce Pro for the offer?
If you choose to join Lettuce Grow and start a new Carry Solo 401(k), we will provide a retirement bonus match up to $100, adhering to all other specified offer details and timing outlined in 'Offer Details' below.
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Is the Bonus Match an employer match or a 401(k) contribution?
No. It’s a cash bonus from Lettuce, paid to your business or personal checking account, not to your 401(k) or its bank account.
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Does it count toward my 401(k) contribution limits?
No. It never goes into your plan. It is taxable income.
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Where does the Bonus Match go?
It’s paid to your Lettuce business account or, through Lettuce’s payment partner, Dub, to a personal checking account in your name. It is never paid to your 401(k) or its bank account.
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Who pays the Bonus Match?
Lettuce Financial Labs Inc. sponsors and pays it. Carry Advisors LLC and Global Carry LLC don’t fund it.
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Offer Details
Click here for the Terms & Conditions and offer details.
Carry is owned by Lettuce Financial Labs Inc.; the two are affiliated. This is a promotional offer for Lettuce’s separate business-services platform, not investment, tax, or legal advice, and not a service of Carry Advisors LLC or Global Carry LLC. The offer has no effect on your Carry account, advisory or brokerage services, or fees.
Carry Disclaimer: All investments involve risk and loss of principal is possible. Investments are not FDIC insured.
Carry is a financial technology and education platform operated by Lettuce Financial Labs Inc. Financial services available through Carry are provided by both Lettuce-affiliated entities and non-affiliated third-party providers, as described below:
1) Investment advisory services are provided by Carry Advisors LLC, an SEC-registered investment adviser and Lettuce affiliate, for discretionary and non-discretionary accounts. Advisory fees may apply and are described in our Form ADV and CRS.
2) Brokerage services are provided by Global Carry LLC, an introducing broker-dealer and Lettuce affiliate, Member FINRA/SIPC. Clearing and custody of all securities are provided by DriveWealth LLC, a non-affiliated clearing broker-dealer, Member FINRA/SIPC.
© 2026 Lettuce Financial Labs, Inc.
Specialized tax and accounting strategies for businesses-of-one.
Lettuce is a fintech company. Banking services are provided by i3 Bank, Member FDIC. The Lettuce Visa Debit Card is issued by i3 Bank, pursuant to a license from Visa U.S.A. Inc. and can be used anywhere Visa cards are accepted. Deposit insurance covers the failure of an insured bank. Certain conditions must be satisfied for pass-through insurance to apply, subject to FDIC rules and conditions.
