I don't know that this is generally the case. I've never been involved directly in bigger (6+ figure) grants, but I know plenty of academic spinoffs who have ha

I don't know that this is generally the case. I've never been involved directly in bigger (6+ figure) grants, but I know plenty of academic spinoffs who have had no problems writing their own grant proposals (admittedly this is a specific skill you pick up in academia so maybe not relevant to the general public).