VT Software does not produce any personal taxation software itself. However, the profit and loss account and balance sheet (for the self-employment and partnership tax returns) can be exported to most tax software packages. More...
The iXBRL accounts and tax computation files generated by VT can be attached to HMRC's on-line CT600 filing tool. This makes the HMRC product much faster to use. If you are using HMRC's product say no to the questions Do you want to use the accounts service and Do you want to use the computations service. You can then import the files generated by VT.
If you want to use a third party filing product, there is a list of approved products on HMRC's web site.