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This guidance is an introduction to the Open Document Format (ODF) standard and how you can select ODF-compliant solutions.
How to choose data tools and infrastructure that are flexible, scalable, sustainable and secure.
Publish your code and use open source to improve transparency, flexibility and accountability.
The UK government's design principles and examples of how they've been used.
Create a mobile experience that meets user needs without relying on native or hybrid apps.
Information for developing and testing of software for HMRC forms, returns and messages.
Make sure your technology, infrastructure and systems are accessible and inclusive for all users.
How to send information to Companies House through our extensible markup language (XML) schemas, by purchasing software or developing your own.
How to manage configuration: open source tools, writing infrastructure in code, portability.
Use this page to check which software works with Making Tax Digital for Income Tax.
Follow this guidance if you’re responsible for choosing, buying and managing Software as a Service (SaaS) tools in your organisation.
Design, build and operate APIs in a consistent way
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
Your purchasing strategy must show you’ve considered commercial and technology aspects, and contractual limitations.
The team capabilities available on the Digital Outcomes framework.
Spreadsheets are a common way to share data. Use this information to help you avoid common errors, improve interoperability and create more accessible spreadsheets.
Don’t include personal or financial information like your National Insurance number or credit card details.
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