it is relatively difficult for new companies to get nomination approved since they lack some key requirements such training schemes for employees, and training for locals.
why DIAC says 10 - 12 weeks ? you heard this from your agent ? on the lodgement form, it say 8 weeks. i never saw the number of 10 - 12 weeks anywhere --- either 8 weeks on the lodgement form, or 7 months on the auto-reply email from DIAC