How long does it take for ACH bank donation to arrive? Henry Remache December 04, 2018 18:40 Payments via ACH take 4-5 business days to process and be reflected in your pending balance. Related articles What are the processing fees for ACH Bank donations? My bank isn't listed for ACH bank transfer. What can I do? How to enable low-fee ACH bank donations? As an organization, how do I change or reset my password? How can I add offline donations (cash, checks, or credit card processed by other sources)? Comments 0 comments Please sign in to leave a comment.