March 2018
1st – Corporation Tax due for companies with 31/05/2017 year end
7th – VAT Return due for quarters ended 28/01/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/03/2018
31st – VAT Return due for quarters ended 28/02/2018 – for paper returns
31st – Accounts due at Companies House for companies with 30/06/2017 year end
31st – CT600 due for companies with 31/03/2017 year end

April 2018
1st – Corporation Tax due for companies with 30/06/2017 year end
1st – Implementation of changes to National Living Wage and National Minimum Wage rates
5th – End of 2017/18 tax year
6th – Start of 2018/19 tax year
7th – VAT Return due for quarters ended 28/02/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/04/2018
30th – VAT Return due for quarters ended 31/03/2018 – for paper returns
30th – Accounts due at Companies House for companies with 31/07/2017 year end
30th – CT600 due for companies with 30/04/2017 year end

May 2018
1st – Corporation Tax due for companies with 31/07/2017 year end
7th – VAT Return due for quarters ended 31/03/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/05/2018
31st – VAT Return due for quarters ended 30/04/2018 – for paper returns
31st – Accounts due at Companies House for companies with 31/08/2017 year end
31st – CT600 due for companies with 31/05/2017 year end

June 2018
1st – Corporation Tax due for companies with 31/08/2017 year end
7th – VAT Return due for quarters ended 30/04/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/06/2018
30th – VAT Return due for quarters ended 31/05/201 – for paper returns
30th – Accounts due at Companies House for companies with 30/09/2017 year end
30th – CT600 due for companies with 30/06/2017 year end

July 2018
1st – Corporation Tax due for companies with 30/09/2017 year end
7th – VAT Return due for quarters ended 31/05/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/07/2018
31st – VAT Return due for quarters ended 30/06/2018 – for paper returns
31st – Accounts due at Companies House for companies with 31/10/2017 year end
31st – CT600 due for companies with 31/07/2017 year end

August 2018
1st – Corporation Tax due for companies with 31/10/2017 year end
7th – VAT Return due for quarters ended 30/06/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/08/2018
31st – VAT Return due for quarters ended 31/07/2018 – for paper returns
31st – Accounts due at Companies House for companies with 30/11/2017 year end
31st – CT600 due for companies with 31/08/2017 year end

September 2018
1st – Corporation Tax due for companies with 30/11/2017 year end
7th – VAT Return due for quarters ended 31/07/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/09/2017
30th – VAT Return due for quarters ended 31/08/2018 if submitting paper returns
30th – Accounts due at Companies House for companies with 31/12/2017 year end
30th – CT600 due for companies with 30/09/2017 year end

October 2018
1st – Corporation Tax due for companies with 31/12/2017 year end
7th – VAT Return due for quarters ended 31/08/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/10/2018
31st – VAT Return due for quarters ended 30/09/2018 – for paper returns
31st – Accounts due at Companies House for companies with 31/01/2018 year end
31st – Deadline for submission of paper self assessment tax return 2017/2018
31st – CT600 due for companies with 31/10/2017 year end

November 2018
1st – Corporation Tax due for companies with 31/01/2018 year end
7th – VAT Return due for quarters ended 30/09/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/11/2018
30th – VAT Return due for quarters ended 31/10/2018 – for paper returns
30th – Accounts due at Companies House for companies with 28/02/2018 year end
30th- CT600 due for companies with 30/11/2017 year end

December 2018
1st – Corporation Tax due for companies with 28/02/2018 year end
7th – VAT Return due for quarters ended 31/10/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/12/2018
31st – VAT Return due for quarters ended 30/11/2018 – for paper returns
31st – Accounts due at Companies House for companies with 31/03/2018 year end
31st – CT600 due for companies with 31/12/2017 year end

January 2019
1st – Corporation Tax due for companies with 31/03/2018 year end
7th – VAT Return due for quarters ended 30/11/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/01/2019
31st – VAT Return due for quarters ended 31/12/2018 – for paper returns
31st – Accounts due at Companies House for companies with 30/04/2018 year end
31st – Deadline for submitting your 2017/2018 self assessment return
31st – CT600 due for companies with 31/01/2018 year end

February 2019
1st – Corporation Tax due for companies with 30/04/2018 year end
7th – VAT Return due for quarters ended 31/12/2018 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/02/2019
28th – VAT Return due for quarters ended 31/01/2019 – for paper returns
28th – Accounts due at Companies House for companies with 31/05/2018 year end
28th – CT600 due for companies with 28/02/2018 year end

March 2019
1st – Corporation Tax due for companies with 31/05/2018 year end
7th – VAT Return due for quarters ended 28/01/2019 – for on line returns
19th – PAYE/NIC, Student Loan and CIS Deductions due for month ended 05/03/2019
31st – VAT Return due for quarters ended 28/02/2019 – for paper returns
31st – Accounts due at Companies House for companies with 30/06/2018 year end
31st – CT600 due for companies with 31/03/2018 year end