Useful Resources & Downloads for Your Business
Please find below a list of useful resources, official forms and direct links to government portals — all in one place to save you time.
- Companies House Forms Official forms for managing your company registration, structure and details at Companies House
Authorisation of Agent (64-8)
Authorise MazeKey Accountants (or another agent) to act on your behalf with HMRC for tax, VAT, PAYE and other matters. Required for new clients at the start of our relationship.
Dormant Company Accounts
Filing dormant company accounts at Companies House is a legal requirement even when a company has had no accounting transactions during the financial year. Download the guidance here.
Change of Registered Office Address
Use form AD01 to notify Companies House of a change to your company’s registered office address. Must be filed promptly — the registered address must be a valid UK address at all times.
Change of Company Name
Use form NM01 to change your company’s registered name at Companies House. A special resolution of the shareholders is typically required before submitting the name change application.
Appointment of Director
Use form AP01 to notify Companies House of the appointment of a new director. Must be filed within 14 days of the appointment. The new director’s consent to act must also be provided.
Termination of Director
Use form TM01 to notify Companies House that a director has resigned or been removed from office. Must be filed within 14 days of the termination date. Available to download below.
Striking Off Application by a Company
Use form DS01 to apply to Companies House to strike off (dissolve) your company voluntarily. The company must have ceased trading and have no outstanding liabilities before applying.
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Need Help Completing These Forms?
If you're unsure which form you need or need assistance completing any of these documents, MazeKey Accountants can help. Our team deals with Companies House filings regularly and can ensure everything is submitted accurately and on time.
HMRC Forms & Portal
Access the complete library of HMRC forms and filing services directly from the HMRC website
All Forms — HMRC Official Website
HMRC provides the complete library of official tax forms, self-assessment returns, PAYE forms, VAT returns, corporation tax forms and all other HMRC documentation directly on their website. Rather than downloading individual forms here, we recommend visiting the HMRC site directly to ensure you always have the most current version of any form you need.
The HMRC website also provides online filing services for self-assessment, VAT, PAYE, corporation tax and many other obligations — often faster and more reliable than paper submissions.
Other Useful Government & Regulatory Links
Quick access to the key government websites and portals your business may need from time to time.
Companies House — Company Search & Filing
Search for any UK company, file your accounts and confirmation statement, update company officers and make other official filings directly through the Companies House portal.
HMRC — Self Assessment Tax Returns
File your personal self-assessment tax return, pay your tax bill, check what you owe and manage your HMRC personal tax account all in one place on the HMRC self-assessment portal.
HMRC — VAT Returns & Registration
Register for VAT, file your quarterly VAT returns under Making Tax Digital (MTD), view your VAT account and manage your VAT registration details through the HMRC VAT portal.
HMRC — PAYE for Employers
Manage your employer PAYE scheme, submit Real Time Information (RTI) returns, pay PAYE and NI to HMRC, and manage employee tax codes through the HMRC employer portal.
HMRC — Corporation Tax
File your company’s corporation tax return (CT600), pay your corporation tax bill, set up a payment plan and manage your company’s corporation tax account on the HMRC portal.
HMRC — Construction Industry Scheme (CIS)
Register as a CIS contractor or subcontractor, file monthly CIS returns, verify subcontractors and manage your CIS deduction status including gross payment status applications.
Can't Find What You're Looking For?
If you need help with a specific form, aren’t sure which filing applies to your situation, or simply want an expert to handle your compliance on your behalf — we’re here to help. Available 9am–10pm, seven days a week.