This physician is a sole proprietor.

As such, the business owner can make both contribution types: employee and employer.The annual solo 401k contribution calculation depends on the type of entity sponsoring the solo 401k plan.If the entity type is a Sole Proprietor, the starting figure for calculating the annual solo 401k contribution is line 31 of Schedule C (after deducting one-half of self-employment tax).If the entity type is a C-Corporation, the starting figure for calculating the annual solo 401k contribution is W-2 income.If the entity type is an S-Corporation, the starting figure for calculating the annual solo 401k contribution is W-2income.If the entity type is a Partnership, the starting figure for calculating the annual solo 401k contribution is K-1 (Form 1065) line 14 (after deducting one-half of self-employment tax).The self-directed 401k contribution deadlines are based on the type of entity sponsoring the solo 401k.If the entity type is a Sole Proprietorship, the annual solo 401k contribution deadline is April 15, or October 15 if tax return extension is timely filed.If the entity type is an LLC taxed as an S-Corporation (calendar year), the annual solo 401k contribution deadline is March 15, or September 15 if tax return extension is timely filed.If the entity type is an LLC taxed as a Partnership (calendar year), the annual solo 401k contribution deadline is March 15, or September 15 if tax return extension is timely filed.If the entity type is a Partnership (calendar year), the annual solo 401k contribution deadline is March 15, or September 15 if tax return extension is timely filed.If the entity type is an S-Corporation (calendar year), the annual solo 401k contribution deadline is March 15, or September 15 if tax return extension is timely filed.If the entity type is an C-Corporation (calendar year), the annual solo 401k contribution deadline is April 15, or October 15 if tax return extension is timely filed.Correct that gains from investments will flow back to the solo 401k and grow tax deferred, or tax free in the case of a Roth solo 401k designated account.

They already have an LLC set up and tax it as a sole proprietor.

So it’s a completely different business in itself (sole proprietor?)

The business does not have it's own EIN as a I do as a sole proprietor.

I know many investors purchase a property as a sole proprietor when a property is a 1-4 units, then transfer the property into their corporation?

https://www.zlien.com/forms/Georgia-Lien-Waiver-Fi...In the "employed by" line if the contractor is an independent sole proprietor to I put "self" or if they have a business entity or work for a bigger company do I put that name?

If you're a sole proprietor or partnership (where both partners are the parents) you don't pay payroll taxes on your children under age 18.https://www.irs.gov/businesses/small-businesses-self-employed/family-help

Hello everyone, I have another question to run by you.  I am trying to figure out which is the best way to structure this deal and how to do it for tax purposes as well.I am closing on property on Tuesday.  My father ...

Originally posted by @Thomas Oliver:Thomas which tax deductions do you take as an LLC that you cannot take as a sole proprietor owning real estate?