I would like to add that this exclusion is per person per company and can be multiplied with the use of irrevocable trusts. For example, you can set up trusts

I would like to add that this exclusion is per person per company and can be multiplied with the use of irrevocable trusts. For example, you can set up trusts for your wife and two kids, put in shares, and all receive the qsbs exclusion. Definitely speak to accountants and lawyers before trying this at home.