# Getting Started

- [Switching Accountant To Numble](/getting-started/switching-accountant-to-numble.md): How to switch accountant in four steps
- [How To Transfer Xero To Numble](/getting-started/how-to-transfer-xero-to-numble.md): Use this guide to transfer your Xero subscription to Numble.
- [Companies House Authentication Code](/getting-started/companies-house-authentication-code.md): This code allows us to submit forms to Companies House on your behalf.
- [Employer Reference Codes](/getting-started/employer-reference-codes.md): Payroll codes given to new employers
- [Company Unique Tax Reference (UTR)](/getting-started/company-unique-tax-reference-utr.md): Every company has a Unique Tax Reference
- [VAT Registration Certificate](/getting-started/vat-registration-certificate.md): Issued to newly VAT registered businesses