DavidD66
Expert Alumni

Business & farm

Yes, because you own both businesses, your two business are considered a controlled group  As a controlled group, they are treated as a single employer with regard to retirement plans.  If you are 100% owner of your sole proprietorship and your LLC is a single-member LLC, these must be treated as a single company and your net earnings from self-employment income will be determined by aggregating these two businesses.  

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