> For the complete documentation index, see [llms.txt](https://docs.simpleaccounts.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.simpleaccounts.io/product-guides/master/contact/add-a-customer.md).

# Add a customer

To add a customer as a contact: 

* Go to Master --> Contact.  
* Select Add New Contact.  
* Enter the contact’s first and second name. 
* Under contact details, choose the contact type as Customer from the drop-down menu. 
* Enter your customer’s email, mobile number and other contact details. 
* Choose the currency used and fill in other invoicing details like Tax Registration Number(TRN) etc. 
* To verify your customer’s TRN, click on the Verify TRN option below. (Enter customer’s TRN and given security code to validate from the official site of Federal Tax Authority of UAE) 
* Click on Create. Click on Create and More to add another contact. 

The customer will now appear in the list of contacts.