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Solo 401k contribution limits for multiple business entities

πŸ’Έ moneysocial problemSingle report ●●●●● severity 3/5

A self-employed individual with both a sole proprietorship and a single-member LLC is unsure how to calculate employer contribution limits for a solo 401k when the businesses are treated as disregarded entities on their personal tax return.

Who's affected: A self-employed individual with a sole proprietorship and a one-member LLC.

⚠️ Single report. This is one person's account. We mark it so until more voices confirm it.

What people do today

πŸ”§ Fix this

Ideas a builder, maker or community group could start on:

  1. A specialized tax calculator tool that allows users to input multiple Schedule C business incomes to determine aggregate solo 401k contribution limits.
  2. A simplified, plain-language guide or flow chart specifically for multi-entity self-employed individuals regarding retirement plan contribution rules.
  3. A community-verified database of tax scenarios for solo 401k contributors to compare how others in similar multi-business situations have handled reporting.
I want to build this

Real voices

β€œI have not found guidance on how to figure the employer contribution limits when having two business forms.”

Source: Stack Exchange (money) Β· CC BY-SA 4.0, user-contributed content from Stack Exchange; summarized and modified

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