29 Feb (yes, don’t forget it is a leap year!)

Corporation tax: returns for accounting periods ended 28 Feb 2019 need to be with HMRC by today

Company accounts: private companies with 31 May 2019 year ends need to have filed accounts with Companies House by today

2 March

5% penalty is due on any 2018/19 income tax, class 2 and 4 NIC and capital gains tax which has not paid by today (being 30 days after the 31st January deadline)

11 March

The Budget – watch our twitter and website later in the day for a summary of the announcements and how they may affect you.

31 March

Capital Allowances: The 100% Enhanced Capital Allowances (ECAs) and first year tax credit for loss making companies for purchases of energy or water-saving plant and machinery on the energy and water technology lists are abolished from April 2020. Qualifying expenditure will still obtain writing down allowances at the 18% main rate and 8% special rate (now reducing to 6%). Much of the qualifying expenditure will be covered by the extended £1m Annual investment allowance. ECA expenditure incurred on qualifying items up to 31 March 2020 will still be eligible.