1. Install SyncQ in Pipedrive

1.1 Install/upgrade SyncQ app to your Pipedrive account: Install the latest release of SyncQ from pipe.syncq.net GetSyncQ section. Alternately find SyncQ Pipedrive from Intuit or Pipedrive app store.

1.2 After installation of SyncQ, you will be automatically redirected to SyncQ Home page for further configuration.

2. Connect and Authorize Your QuickBooks Online

From SyncQ App page:

2.1 Click Connect to QuickBooks button
2.2 Fill up as follows:

2.1 Click on  "Connect to QuickBooks" green button
2.2 This will open up a new tab, redirecting to QuickBooks app login page (https://appcenter.intuit.com/)
2.3 Login and authorize your intended QuickBooks Online company 
2.4 Click Authorize
2.5 After authorization, you will be redirected to SyncQ app page
2.6 Your QuickBooks company will be automatically added in the drop down. Now, select QuickBooks company in the component dropdown. If everything working correctly, you will get
QuickBooks company name in green color next right to the company drop down. (If not authorized or incorrect company selected, a message will appear as "Require QuickBooks Authorization")
2.7 If you see your company name in Green, the green button will be replaced by a red button "Disconnect QuickBooks".   

Congrats! We are good to start linking your QucikBooks with Pipedrive.

3. Update Resource and Field Mappings

3.1 After you authorize your QuickBooks Online company, a default configuration is automatically added based on popular choices.

3.2 By default following mapping are automatically added.

3.3 If you have different requirements as per your business requirement, you update these mapping.
3.4 To update mapping, click on the setup wheel icon

Sample Configuration and sync process

SyncQ  Sample Configuration:

1. Select your QucikBooks company in the SyncQ app page and click on the setup Wheel icon
2. It will show two columns, one Pipedrive, another QuickBooks, followed by a Green Link Button
3. Select the desired Pipedrive resource that you want to sync to QuickBooks
In this example, we will map Pipedrive People with QuickBooks Customer resource
4. Select People in the Pipedrive drop down, Select Customer in QuickBooks dropdown, and then click the Link button on right
5. A new row will add up starting with ID as LQ-xxx.
6. This has created a mapping at Pipedrive resource to QuickBooks resource level, next we will define field mappings
7. Click on the Field Mappings icon (two circled arrow icon), it will add up a new row,
showing Pipedrive resource fields and QuickBooks resource fields
8. Map the desired fields as required (for proper synching, correct field mapping required, ask SyncQ for any help)
In this example, we will map, People Name from Pipedrive to DisplayName
from QuickBooks Customer resource
On success, it will add a new row starting with ID LQB-xxxx
9. We are now ready to Synch records from Pipedrive to QuickBooks
10. Goto a record page of Pipedrive Account
11. Goto a people record in Pipedrive
12. There is a three dot button on the upper right area of the details page
13. Click on that, you should see SyncQ button
14. Click on this button, it will open up SyncQ app page in a new browser tab showing details of the Pipedrive record. It also tries to auto find QuickBooks records if a match found.
15. Click Black Right Arrow button to push Pipedrive data to your QuickBooks Online. Similarly, Green Left Arrow Button will sync your QuickBooks data to Pipedrive

If everything working fine, you will see a QuickBooks Id automatically updated in your Pipedrive record:

FOR MULTI-COMPANY CONFIGURATION, QuickBooks COMPANY SELECTION IS MUST, OTHERWISE SYNC WILL FAIL, IN A SINGLE COMPANY SETUP, IT IS NOT MANDATORY