We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
You can use software to file your company accounts, file changes to your…
Companies House has tested the software listed. You should consider which…
Companies House has tested and authorised software for filing information…
Information on when software applications are considered to be a medical device and how they are regulated.
List of software developers to get help with entry summary declarations (safety and security declarations for imports).
Specifications and guidelines for Real Time Information internet submissions and for the outgoing Data Provisioning Service.
Guidance on APIs and how to find commercial software suppliers for different HMRC online services.
The Medicines and Healthcare products Regulatory Agency (MHRA) have embarked upon an ambitious programme of reform to ensure that medical device regulation is fit for purpose for software, including artificial intelligence (AI).
Guidance on defining intended purpose for Software as a Medical Device (SaMD), to help SaMD manufacturers in meeting their statutory obligations.
How to register as a software developer with HMRC.
Technical specifications for software developers working with the PAYE online service.
Find technical specifications and support for software developers working with the Construction Industry Scheme Online service.
Information for developing and testing of software for HMRC forms, returns and messages.
Find software suppliers for tax returns, supplementary pages and attachments.
Find a list of simple record keeping applications, including cash basis and simplified expenses specifications.
How to manage configuration: open source tools, writing infrastructure in code, portability.
Find recognised suppliers and software for filing your EC Sales List declarations online.
Support and technical specifications for software developers working with the Self Assessment online service.
Manage your dependencies to keep code up to date, your system secure and your service working as intended.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. We’ll send you a link to a feedback form. It will take only 2 minutes to fill in. Don’t worry we won’t send you spam or share your email address with anyone.