Case Study
Birch Workflow Automation
Automationn8nWorkflow
Year
2025
Duration
2 months
Team
2 engineers
Automated invoice processing, client onboarding, and reporting for a marketing agency. Built with n8n and custom Python scripts. Saves 40+ hours per week.
The challenge
A 30-person marketing agency was spending 60+ hours per week on manual tasks: copying data between tools, generating reports, sending invoices, onboarding new clients.
Our solution
We built a suite of n8n workflows with custom Python nodes for the tricky parts. Invoices are generated automatically from time tracking, reports are compiled weekly, and new clients get a fully automated onboarding sequence.
Results
- ✓ 40+ hours saved per week
- ✓ Invoice errors reduced by 95%
- ✓ Client onboarding time: 2 weeks → 2 days
- ✓ Team morale noticeably improved
Tech stack
n8nPythonAirtable APIStripe APISlack APIGoogle Sheets
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