Profit Sharing Contribution for Single-Member LLC

New client for me – He filed a return and claimed an adjustment to income for a $27K contribution to a solo 401K. His Schedule C net income (single-member LLC) is $240,283. From my reading, he can make a profit-sharing contribution of 20% of his Schedule C net, or $48,056. Can he make an additional $21K contribution for 2022 and I amend the return since we have not reached April 15th?

Also, in this context is it important for an owner to call a portion of the contribution an “elective deferral”, or since they are a single-member LLC, can the whole contribution be profit-sharing? I “think” elective deferral is important when you have an employee making contributions and the employer is matching, but in this case it is just the owner and no employees.



  • A self-employed individual’s net earnings from self-employment (self-employed earned income) = business profit – 1/2 SE tax = $240,283 – $12,332 – $227,951
  • A self-employed individual is both employee and employer. They can make neither, either or both types of contributions.
  • There is a single employee deferral limit (2022 = $20,500 + $6,500 catch-up >= age 50), 2023 = $22,500 + $7,500 catch-up >= age 50) for all 401k, 403b and SIMPLE IRA plans.
  • A self-employed individual has until their tax filing deadline including extensions to make employee deferrals.
  • However, a written employee deferral election must be completed by 12/31.
  • The maximum self-employed employer contribution = 20% of self-employed earned income $227,951 = $45,590.
  • There is also an (employee + employer contribution) annual addition limit (2022 = $61,000, 2023 = $66,000) for each unaffiliated employer. Note: Catch-up contributions are not included in the annual addition limit.
  • If the client had made an employee deferral election by 12/31/22. He could have made an employee deferral of $20,500 (+$6,500 catch-up >= age 50) + an employer contribution of ($61,000 – $20,500 = $40,500*) for a total of $61,000 ($67,500 >= age 50).
  • If not the client can make an employer contribution of $45,590.
  • The client has until 4/18/23 to make the contributions** and 10/16/33 to amend the return.

 

  • *Even though the calculated maximum employer contribution = $45,590. It is reduced to $40,500 by the annual addition limit. Although, the choice could be made to reduce the employee deferral instead.
  • **Because the client already timely filed the return and can not now request an extension.

Thank you for the detailed response, Spiritrider. In the 5th bullet point you note:

  • However, a written employee deferral election must be completed by 12/31.”

The client will ask me what this means.  My interpretation of your comment is that the client needed to have either taken the deferral by 12/31 or submitted a written election noting the amount of elective deferral that would be taken by the due date. Is my understanding correct?

An employee deferral election is required by 12/31, regardless of whether the actual deferral is before or after this date.

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