WIBTA if I kicked my business parter out of the buisness

NTA - Maybe. You’ve got to be careful because while you might legally own 100%, I.e. the company is in your name, if you have witnesses that have heard you tell him he owns 50%, or text messages/written words describing your deal/offer to him in which you offer to start a business together and be co-owners, he legally could take you to court with a reasonable expectation to get his 50%. Since you are not a majority owner, you can not kick him out. That is a fact. Honestly, I would suggest not trying to kick him out with you still legally having 100% ownership because if your business is worth anything he / WILL / sue you and / COULD / win.
Do right by your business partner, acknowledge your deal to be partners (if you did), and be fair and buy him out. Otherwise you could get into trouble down the line.

/r/AmItheAsshole Thread