Customer Master

This document explains the procedures for registering new business partners (customers) and managing their basic information. It covers how to handle business partner information, which forms the foundation of daily sales activities and is linked to the CRM command center.

5 min
Updated: April 21, 2026
Beginner
Business partnerscustomerMasterCRM

Related Articles This article deals with formal registration and editing. Activity management from the prospect to deal stage is handled separately. CRM Control Tower The overall sales flow is Sales workflow Please refer to the following.

What you can do on this screen

The Customer Master screen is where you register and manage customer information, which forms the basis of all sales documents, including quotations, orders, and invoices.

  • Registering a new business partner (company name, address, contact person)
  • Updating information on existing business partners
  • Classify business partners to make aggregation easier (customer groups)

All sales documents are linked to this customer master.


Register a new business partner

Step 1: Open the list of clients

Click on "Sales" in the sidebar, then click on "Clients (Customers)", or enter in the search bar.取引先 or顧客 Enter the following:

List of Business Partners

Step 2: Create New

Click the "+ Add" button in the upper right corner.

Step 3: Enter basic information

Please enter the following information.

Customer input screen

Item nameContentsRequired
Client NameOfficial Name (e.g., XX Trading Co., Ltd.)
Customer TypeSelect "Company" or "Individual"
Customer GroupsClassification Groups (e.g., Wholesale, Retail, Direct Sales)
RegionLocation (e.g., Kanto, Hokkaido)

Step 4: Add Address and Contact Information

At the bottom of the input screen, under "Address and Contact Information", register using the following steps.

  1. Click "+ Add Address"
  2. Enter your postal code and address.
  3. Click "+ Add Contact"
  4. Enter the contact person's name, phone number, and email address.

Step 5: Save

Save button (orCtrl + S Click ) to complete registration.


Edit customer information

The procedure for editing a registered business partner is as follows:

  1. Click on the name of the target customer from the customer list.
  2. Change the item you want to modify.
  3. Click "Save"

Utilizing Customer Groups

By setting up customer groups, you can aggregate accounts by group in reports.

How ​​to set it up:

  1. In the search bar顧客グループ type
  2. Check existing groups from the list, or create a new one using "+ Add".
  3. Enter the group name and save.

Examples of commonly used groups:

  • Wholesale — For wholesalers and trading companies
  • Retail — For stores and e-commerce
  • Direct Sales — Direct transactions with end users

FAQ

Q: Can I delete a business partner?

You cannot delete business partners to whom transaction data (quotes, orders, etc.) is linked. If you wish to stop the transaction, please check "Invalid" on the input screen.

Q: What if there are multiple billing addresses for the same company?

You can register multiple addresses for a single business partner. Please use the appropriate address type (billing address, shipping address, head office) for each.


Next Steps

Want to learn more?

If you have any questions about how to use the system, please get in touch. Our ERPNext implementation specialists will support you directly.