I’m sometimes asked whether benefit corporations enjoy particular tax benefits relative to other for-profit corporations.
The answer is no.
Benefit corporations are taxed identically to other for-profit corporations.
As such, they can be taxed as s- or a c-corporations and will be subject to the same tax rates, requirements and regulations.
Although benefit corporations are required to promote general public benefit, they do not enjoy the tax breaks bestowed on tax-exempt charitable organizations like 501(c)(3) non-profits.
Some localities are experimenting with local tax benefits to promote benefit corporations and other sustainable businesses. See this article for an example.
But as of this writing, there are no federal or (as far as I know) state-level tax benefits conferred on benefit corporations.
There are many good reasons to organize as a benefit corporation but tax law is not one of them - at least not as of now.