Ltd Co accounts, six years of filed accounts, (so upto 7.5 years of real time) PAYE periodic review - 2 years, but opens up if anything found. Personal asssement is usually 4, but can be opened up if anything found. I think they can go back a total of 22 years with good reason too, but it is rare.
There are different periods for different things.From memory:Ltd Co accounts, six years of filed accounts, (so upto 7.5 years of real time)PAYE periodic review - 2 years, but opens up if anything found.Personal asssement is usually 4, but can be open