Go to the Billing Page in QuickBooks after you login: <https://app.qbo.intuit.com/app/billing>

Get the 16-digit number under "Company ID" and give it to your QB support person

Intuit

QuickBooks is a widely-used accounting software developed by Intuit, designed to simplify financial management for businesses of all sizes. It provides a user-friendly platform for tasks like invoicing, expense tracking, payroll processing, and generating financial reports. QuickBooks automates many financial processes, making it easier for businesses to monitor their financial health, prepare taxes, and manage cash flow. With its various versions and integrations, QuickBooks caters to the needs of freelancers, small businesses, and larger enterprises, offering a flexible and comprehensive solution for efficient accounting and financial management.

Get your QuickBooks Online COMPANY ID