It might take weeks or months. It depends on the niche strategy that you have applied, the resources you allocate and the best backlink building strategy. You cannot relax at a single strategy, you have to study the results every time and optimise the strategies. Yes, you have to identify, the grey areas and suggest solid solutions to overcome the negativity. An existing website with a solid strategy might see results in a few weeks, but for a new website, you might have to wait for months. SEO Sydney is ongoing and you are never done.