The federal income tax treatment of qualified small business corporations (QSBCs) was good even before the One Big Beautiful Bill Act (OBBBA).

But the OBBBA raised the bar.

Can you convert your existing S corporation into a QSBC to take advantage? Sort of, as this article will explain. But first, let’s cover the basics on QSBCs so you understand the attraction.

QSBC Basics

QSBCs are a special breed of the C corporation species. Other than the super-favorable federal income tax treatment of sales of their stock, QSBCs are treated the same as regular C corporations for other tax and legal purposes.1

Thanks to a special break, you can potentially get federal-income-tax-free treatment for up to 100 percent of the gain from selling QSBC stock.

Thanks to another special break, you can potentially roll over the gain from a QSBC stock sale into newly acquired stock of a different QSBC.

As icing on the cake, QSBCs benefit from the flat 21 percent federal income tax rate for C corporations.

That’s a potent combination of tax advantages.

Key point. The gain exclusion and gain rollover breaks are not available to QSBC shareholders that are themselves C corporations.2 But sales of QSBC stock held by pass-through ... Log in to view full article.