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Register to vote Register by 18 June to vote in the General Election on 4 July.
Information for developing and testing of software for HMRC forms, returns and messages.
How to send information to Companies House using third party software or by developing your own software.
Check a list of software developers who can provide Customs Declaration Service and Customs Handling of Import and Export Freight (CHIEF) software.
How to choose data tools and infrastructure that are flexible, scalable, sustainable and secure.
How to manage configuration: open source tools, writing infrastructure in code, portability.
Guidance on defining intended purpose for Software as a Medical Device (SaMD), to help SaMD manufacturers in meeting their statutory obligations.
Why to deploy regularly, deployment principles to follow, and how to do it.
Technical specifications for developing software to send information to Companies House digitally.
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
Use this service to apply for a presenter account to file company accounts and documents with Companies House using software.
How to register as a software developer with HMRC.
Guidance on APIs and how to find commercial software suppliers for different HMRC online services.
Descriptions of team capabilities on the Digital Outcomes and Specialists framework.
Your purchasing strategy must show you’ve considered commercial and technology aspects, and contractual limitations.
Spreadsheets are a common way to share data. Use this information to help you avoid common errors, improve interoperability and create more accessible spreadsheets.
Use this page to check which software works with Making Tax Digital for Income Tax.
Use a reference architecture to develop a public sector organisation’s technology and how it shares data across government.
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