How long does it take to onboard a new client? The average agency client onboarding process takes between 30 to 90 days. This means it typically takes a new client over a month to see the value in your services. The onboarding process takes as long as it takes. So, there's probably little you can do to make it quicker. But if you don't demonstrate value to a new client quickly, within your first few exchanges, you stand to lose that client. Their belief in you, your agency, and the Social Media ROI you can drive will rapidly dwindle. Engagement