Key Dates
February 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 30th April 2011 |
| 29th | Filing date for submission of Corporation Tax Return for period ended 28th February 2011 |
| 29th | Companies House filing date for companies year ended 31st May 2011 |
March 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 31st May 2011 |
| 31st | Filing date for submission of Corporation Tax Return for period ended 31st March 2011 |
| 31st | Companies House filing date for companies year ended 30th June 2011 |
April 2012
| 1st |
Corporation Tax due to be paid for companies accounting period ended 30th June 2011 |
| 30th | Filing date for submission of Corporation Tax Return for period ended 30th April 2011 |
| 30th | Companies House filing date for companies year ended 31st July 2011 |
May 2012
| 1st |
Corporation Tax due to be paid for companies accounting period ended 31st July 2011 |
| 30th | Filing date for submission of Corporation Tax Return for period ended 31st May 2011 |
| 30th | Companies House filing date for companies year ended 31st August 2011 |
June 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 31st August 2011 |
| 30th | Filing date for submission of Corporation Tax Return for period ended 30th June 2011 |
| 30th | Companies House filing date for companies year ended 30th September 2011 |
July 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 30th September 2011 |
| 31st | Filing date for submission of Corporation Tax Return for period ended 31st July 2011 |
| 31st | Companies House filing date for companies year ended 31st October 2011 |
August 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 31st October 2011 |
| 31st | Filing date for submission of Corporation Tax Return for period ended 31st August 2011 |
| 31st | Companies House filing date for companies year ended 30th November 2011 |
September 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 30th November 2011 |
| 30th | Filing date for submission of Corporation Tax Return for period ended 30th September 2011 |
| 30th | Companies House filing date for companies year ended 30th December 2011 |
October 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 30th December 2011 |
| 31st |
Filing date for submission of Corporation Tax Return for period ended 31st October 2011 |
| 31st | Companies House filing date for companies year ended 31st January 2012 |
December 2012
| 1st | Corporation Tax due to be paid for companies accounting period ended 28th February 2012 |
| 19th | PAYE and NIC due for the month ended 5th December 2011. Submit Construction Industry Scheme return for the month ended 5th December 2012. |
| 30th | Filing date for submission of Corporation Tax Return for period ended 30th December 2011 |
| 30th | Companies House filing date for companies year ended 31st March 2012 |
January 2013
| 1st | Corporation Tax due to be paid for companies accounting period ended 31st March 2012 |
| 19th | PAYE and NIC due for the month ended 5th January 2013. Quarterly PAYE and NIC due for quarter ended 5th January 2013 for qualifying small employers. Submit Construction Industry Scheme return for the month ended 5th January 2012. |
| 30th | Filing date for submission of Corporation Tax Return for period ended 31st January 2012 |
| 31st | Companies House filing date for companies year ended 30th April 2012 |
| 31st | Final submission date for 2012 self-assessment tax returns (where these were issued by 31st October 2012 and are delivered electronically). Balancing payment due for 2011/2012 personal tax. First payment on account due in respect of 2012/2013 personal tax |
February 2013
| 1st | Corporation Tax due to be paid for companies accounting period ended 30th April 2012 |
| 28th | Filing date for submission of Corporation Tax Return for period ended 28th February 2012 |
| 28th | Companies House filing date for companies year ended 31st May 2012 |