Please follow the steps to add another company in Sage 50 Quantum Accounting-  Log in to the existing company  Go to the File section  Click New   Click on Company.  If prompted, enter your password  Click OK  Click on Create   If you want to change the location where your company data will be kept, click Change  Browse to your preferred location and click Ok  If satisfied, click Continue  The Add a company window will be displayed on your screen  Provide the required details in the fields  Once finished, click on the tab named Create  Provide your login details again  Click Ok