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Register to vote Register by 18 June to vote in the General Election on 4 July.
Find out what goods you do not value when when working out the VAT due on import to the UK.
How to send information to Companies House through our extensible markup language (XML) schemas, by purchasing software or developing your own.
Get help classifying computers, inkjet and toner cartridges and their components.
Information for developing and testing of software for HMRC forms, returns and messages.
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
Check a list of software developers who can provide Customs Declaration Service and Customs Handling of Import and Export Freight (CHIEF) software.
Farm software companies that have successfully passed testing for the Cattle Tracing Service (CTS) Web Services.
This guidance is an introduction to the Open Document Format (ODF) standard and how you can select ODF-compliant solutions.
Technical specifications for developing software to send information to Companies House digitally.
Check which software packages you can use to keep VAT records and submit your VAT Returns.
How to choose data tools and infrastructure that are flexible, scalable, sustainable and secure.
The Crown Commercial Service technology service principles help us to continually improve the way technology is bought across government and the public sector.
Manage your dependencies to keep code up to date, your system secure and your service working as intended.
How to apply to provide digital technologies under the Help to Grow: Digital scheme if you're a software vendor.
Don’t include personal or financial information like your National Insurance number or credit card details.
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