Subcontractor Onboarding Portal
Join the Ambros Team
Complete your subcontractor onboarding in one streamlined process. Submit your information, upload required documents, and sign the General Standards Agreement — all in under 10 minutes.
Takes approximately 10 minutes
How It Works
Five simple steps to complete your onboarding.
01
Company Information
Business details, license numbers, and contact info.
02
Key Contacts
Primary contact and emergency contact details.
03
Payment Setup
Direct deposit or check payment preferences.
04
Document Uploads
W-9, insurance certificate, licenses, and bond.
05
Sign Agreement
Review and digitally sign the General Standards Agreement.
Required Documents
Have these ready before you begin. You'll upload them during the process.
Form W-9 (current year, signed and dated)
Certificate of Insurance (COI) naming Ambros Construction Inc. as Additional Insured
Valid CSLB Contractor's License
City Business License for the project jurisdiction
Copy of Driver's License (primary contact / site supervisor)
Bond Information (if applicable)
Your information is securely stored and only accessible to Ambros Construction Inc.