VAT...

http://www.hmrc.gov.uk/thelibrary/vat.htm

Tax Help Factsheets...

http://www.hmrc.gov.uk/tax-help.htm

Self Assessment...

http://www.hmrc.gov.uk/thelibrary/sa-pubs.htm

Corporation Tax

http://www.hmrc.gov.uk/ct/index.htm

Inheritance Tax...

http://www.hmrc.gov.uk/inheritancetax/index.htm

Budget Reports / Updates

http://www.hmrc.gov.uk/budget/index.htm

PAYE...

http://www.hmrc.gov.uk/paye/index.htm

Income Tax...

http://www.hmrc.gov.uk/incometax/index.htm