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Register to vote Register by 18 June to vote in the General Election on 4 July.
How to access public data from the Companies House register using our data products.
Using our Find and update company information service to follow companies and search company information for free.
Your company's financial year can run for more or less than 12 months - find out how to change it
What the public register is, what details you need to give us, and how the public can access this information.
How to protect your company from scams and fraud and how to report it.
How to request and manage the authentication code you'll need to file information online at Companies House.
How to send your information to Companies House using our online services.
How the protected online filing (PROOF) scheme can help you prevent fraudulent changes to your company.
Examples of unacceptable trade marks around protected emblems, internet domain names and your company name.
Information on enhancing communications resilience and how we work with telecommunication service providers to manage the risk of disruption to public networks.
Find out what the Corporation Tax for Agents online service is for, what you can do in the service and how to do it.
File your Company Tax Return with HMRC, and your company accounts with Companies House
This guidance explains why and how public sector organisations should move to modern network solutions and away from legacy networks with information on standards you need to follow and case studies.
How to send information to Companies House through our extensible markup language (XML) schemas, by purchasing software or developing your own.
What to do if you think you've spotted a scam pretending to be from Companies House, and examples of scam emails, letters and telephone calls.
Find out what the PAYE for Agents online service is for, what you can do in the service and how to do it.
Find Companies House-recognised filing software to manage your company accounts, returns and tax accounts
Check if your company’s or group’s interest deductions for Corporation Tax will be restricted, and if you need to send a Corporate Interest Restriction return.
What you need to do now that the eCommerce Directive no longer applies to the UK.
Don’t include personal or financial information like your National Insurance number or credit card details.
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