It depends on the company and if they offer any form of after care assistance. It also depends on whether the IP is obliged to make you bankrupt so you would need to check with your own IP.
If any of my clients require advice and support about applying for bankrutpcy proceednings, in the event that their IVA has failed or they have simply changed their mind (extremely rare), then we provide this free of charge - and will even fill the forms out for them and arrange their Court hearing. Other firms may have different policies.