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 How long does it take to access funds? Does Propell check my credit file? Do I need an ABN or ACN to access a business line of credit? How does Propell charge for business lines of credit? Once I finalise my small business loan can I redraw? Comments 0 comments Please sign in to leave a comment.