Manually entering time data into your accounting software is tedious and error-prone. The Timesheet-QuickBooks integration eliminates this double entry by automatically syncing your tracked time to QuickBooks Online.
This guide covers the complete setup process and best practices for a smooth integration.
Note: QuickBooks integration is available with Timesheet Pro.
What the Integration Does
One-Way and Two-Way Sync
From Timesheet to QuickBooks:
- Time entries sync as billable time
- Projects map to customers
- Team members map to employees/contractors
From QuickBooks to Timesheet:
- Invoice status updates (when time is invoiced)
- Payment status updates (when invoices are paid)
Sync Frequency
- Automatic sync runs every 15 minutes
- Manual sync available anytime
- Real-time webhook updates for status changes
Prerequisites
Before connecting, ensure you have:
- Timesheet Pro subscription active
- QuickBooks Online account (not Desktop)
- Admin access to both accounts
- Projects set up in Timesheet
- Customers set up in QuickBooks
Connecting to QuickBooks
Step 1: Initiate Connection
- In Timesheet web app, go to Settings > Integrations
- Find QuickBooks Online
- Click Connect
Step 2: Authorize Access
- You'll be redirected to QuickBooks
- Sign in to your QuickBooks account
- Review the permissions requested
- Click Connect to authorize
Step 3: Confirm Connection
- You'll return to Timesheet
- See confirmation of successful connection
- Your QuickBooks company name will be displayed
Mapping Projects to Customers
The crucial step: telling Timesheet which projects correspond to which QuickBooks customers.
Accessing Mapping Settings
- Go to Settings > Integrations > QuickBooks
- Find Project Mapping section
- See list of your Timesheet projects
Creating Mappings
For each project you want to sync:
- Find the project in the list
- Click the dropdown next to it
- Select the corresponding QuickBooks customer
- Save
Mapping Options
| Timesheet Project | QuickBooks Customer |
|---|---|
| Acme Corp Website | Acme Corporation |
| Johnson Consulting | Johnson & Associates |
| Internal Projects | (Don't sync) |
Tips for Mapping
Exact matches: Names don't need to match—just select the right customer from the dropdown.
New customers: If a customer doesn't exist in QuickBooks, create it there first, then map.
Skip internal projects: Leave mapping empty for projects you don't want to sync.
Mapping Team Members
If you have a team, map members to QuickBooks employees or vendors.
Employee vs. Vendor Mapping
- Employees: For W-2 staff tracked in QuickBooks payroll
- Vendors: For contractors (1099) paid through accounts payable
Creating Team Mappings
- In QuickBooks settings, find Team Mapping
- For each team member:
- Select corresponding QuickBooks employee or vendor
- Save
Why This Matters
Mapped team members allow QuickBooks to:
- Track time by person for payroll
- Generate reports by employee
- Apply correct labor costs
Understanding Automatic Sync
What Syncs
Every 15 minutes, Timesheet sends:
- New billable time entries
- Updates to existing entries
- Corrections and deletions
What Triggers Sync
- Any change to billable time entries
- Tasks marked as billed or paid
- Project mapping changes
Sync Status
Check sync status in:
- Settings > Integrations > QuickBooks
- See last sync time
- View any errors or warnings
Creating Invoices from Synced Time
Once time is in QuickBooks, create invoices the normal QuickBooks way.
In QuickBooks
- Go to Sales > Invoices
- Click Create Invoice
- Select the customer
- QuickBooks shows unbilled time entries
- Add time entries to the invoice
- Review and send
Status Updates Back to Timesheet
When you invoice time in QuickBooks:
- Timesheet marks those entries as "Billed"
- When payment is received, entries show as "Paid"
- This two-way sync keeps everything aligned
Manual Sync Options
Sometimes you need to sync immediately.
Force Immediate Sync
- Go to Settings > Integrations > QuickBooks
- Click Sync Now
- Wait for completion
- Review results
When to Manual Sync
- After bulk time entry changes
- Before sending an invoice
- After fixing mapping errors
- When troubleshooting sync issues
Handling Sync Conflicts
Sometimes data conflicts occur.
Common Conflicts
Edited in both places: Time entry changed in Timesheet and QuickBooks
- Resolution: Timesheet is the source of truth for time; QuickBooks is source for invoice status
Deleted time: Entry deleted in one system but not the other
- Resolution: Deletions in Timesheet remove from QuickBooks; deletions in QuickBooks don't affect Timesheet
Changed mappings: Project mapping changed after entries synced
- Resolution: Previously synced entries stay with original customer; new entries use new mapping
Avoiding Conflicts
- Edit time in Timesheet, not QuickBooks
- Mark as billed/paid in QuickBooks, not Timesheet
- Don't delete synced time from QuickBooks
Best Practices
Set Up Mapping Before Tracking
Map projects to customers before your team starts tracking. This prevents "orphan" time entries.
Use Consistent Project Names
While mapping handles the connection, consistent naming helps you remember what connects where.
Review Weekly
Check sync status weekly:
- Any failed syncs?
- Unmapped projects with time?
- Correct customer assignments?
Reconcile Monthly
Before monthly close:
- Ensure all time is synced
- Create invoices for billable time
- Record payments received
- Verify totals match between systems
Document Your Mappings
Keep a reference document of:
- Which projects map to which customers
- Which team members map to which employees/vendors
- Any special handling rules
Troubleshooting
"Time not appearing in QuickBooks"
Check:
- Is the project mapped to a customer?
- Is the time entry marked as billable?
- Has enough time passed since the last sync? (15 min)
- Is the connection still active?
"Connection expired"
QuickBooks tokens expire periodically:
- Go to Integrations settings
- Disconnect QuickBooks
- Reconnect and re-authorize
"Duplicate entries"
If you see duplicates:
- Don't delete in QuickBooks (they'll re-sync)
- Check if entries were modified in Timesheet
- Contact support if persistent
"Wrong customer"
If time synced to wrong customer:
- Update the project mapping in Timesheet
- In QuickBooks, move the time entry to correct customer manually
- Future entries will use correct mapping
Disconnecting QuickBooks
If you need to disconnect:
- Go to Settings > Integrations > QuickBooks
- Click Disconnect
- Confirm
What Happens
- Sync stops immediately
- Existing data in both systems remains
- No automatic deletion occurs
- You can reconnect anytime
Summary
The QuickBooks integration eliminates manual data entry:
- Connect: OAuth authorization between apps
- Map: Link projects to customers, team to employees
- Sync: Automatic 15-minute sync
- Invoice: Create invoices from synced time in QuickBooks
- Track: Status updates flow back to Timesheet
Set it up once, and your time data flows seamlessly into your accounting system.
What's Next?
With QuickBooks connected:
- Add more integrations like Zapier for expanded automation
- Generate reports comparing Timesheet and QuickBooks data
- Train your team on the integrated workflow
Automate your accounting
Start your Pro trial and connect Timesheet to QuickBooks today.