How long do I need to be in business to qualify for an unsecured line of credit? April 20, 2020 01:27 Your business ABN/ACN needs to be active for 12 months. Related articles Do I need an ABN or ACN to access a business line of credit? Does Propell check my credit file? How long does it take to access funds? How does Propell charge for business lines of credit? Propell Instant Payment Requests Comments 0 comments Please sign in to leave a comment.