Contributions to a retirement plan can only be made from compensation, which, in the case of a selfemployed individual, is earned income. Unfortunately for S-Corp owners, only W2 income can be recognized for qualified retirement plan purposes (not the pass-through income).These forms assume the Legislature will adopt all federal law changes made after January 1, 2022. Retirement plans for S Corp owners, like SEP IRAs and Solo 401(k)s, help maximize savings. Learn how self-employed professionals can plan ahead. If you need assistance establishing your business' retirement plan in AZ, the Mesa small business lawyers at JacksonWhite can walk you through the process. You must use a special rule to calculate retirement plan contributions for yourself. You must use Form 140 rather than Form 140A or Form 140EZ to file for 2020 if any of the following apply to you. The Solo 401k is a fantastic Single Owner S Corp retirement plan option. An Individual Retirement Account, or IRA, often represents a really good option for an S corporation owner.