For QuickBooks® ProAdvisor-related inquiries, contact the support team at 1.877 898 0542 . They offer 24/7 support for ProAdvisor setup, processing, and troubleshooting. QuickBooks® Customer Service Contact Information If you’re experiencing ProAdvisors with QuickBooks®, reach out to support at 1.877 898 0542 . The team is on standby 24/7 to provide help with ProAdvisor resolution, installation, and troubleshooting.