Re:SF Is One of the Worst-Paying Places in the US for Softwa...
by nugget on Friday February 10, 2017 @10:56AM
(#13616207)
The employee contribution maximum is limited per person, but the employer contribution maximum is per company (if the companies are unrelated, by ownership structure). Some illustrative answers here:
https://www.quora.com/401-k-Is-it-possible-to-fund-both-a-So...
Keep in mind though that maximums are per person not per company; if you keep the day job 401(k) (and potential match) you'd have to reduce the contributions from your side business to not exceed the maximum.
https://www.irs.gov/retirement-plans/one-participant-401k-pl... https://scs.fidelity.com/products/mobile/sepMobile.shtml