Poor rates of interest for savings products have created an environment where an attractive rate can cause a stampede of people all jostling to sign up. A number of businesses have found themselves struggling to keep up with the demand in the past. This can sometimes result in significant delays when transferring your Isa money. However this isn’t your problem. If the business agrees to the transfer, the demand for the product is irrelevant – providers have a maximum of 30 days to complete your request.