Amstad Turn Company

Subcontractor Invoice Portal

Select your Monday job, add coded line items, upload backup, and submit for Amstad review.

Logged in vendor session

Create invoice

Fields marked with * are required.

ABC Drywall LLC
Vendor profile loaded. Company and email are tied to this login.

Select job from Monday *

Select a job to see the invoice number, property, and current stage.

Line items

Pick one class: Construction Hourly, Construction Labor, Construction Materials, or Construction Turnkey.

Job / invoice notes to Amstad Photos and files Prototype only: photo/file upload will be connected in the next backend phase.

Contractor account & invoice history

Each subcontractor will have a login, a saved account, and a status page for everything they submitted.

Logged in as

ABC Drywall LLC

[email protected]

What subs can see

Submitted invoices
Current processing status
Whether job is still in action, under final review, or ready to invoice
Correction notes from Amstad

Profile & vendor documents

Subcontractors can manage login details, contact information, W9, and Intuit direct deposit / ACH forms here.

Contractor profile

Update email, address, phone, legal/W9 name, and password. Changing the W9/legal name requires a new W9 upload.

On file

Vendor documents

View current document status or upload replacements for W9 and direct deposit / ACH forms.

W9 form

Current W9 is on file.

Upload new W9

Intuit direct deposit / ACH form

Current direct deposit form is on file.

Upload new direct deposit / ACH form

Subcontractor Invoice Portal

Create invoice

Line items

Contractor account & invoice history

Logged in as

What subs can see

Profile & vendor documents

Contractor profile

Vendor documents

W9 form

Intuit direct deposit / ACH form

All-subcontractor invoice admin

Amstad processing queue preview

Amstad user control Admin only

Permission matrix

Subcontractor invoice login

Admin invoice queue login

Subcontractor Invoice Portal

Create invoice

Line items

Contractor account & invoice history

Logged in as

What subs can see

Profile & vendor documents

Contractor profile

Vendor documents

W9 form

Intuit direct deposit / ACH form

All-subcontractor invoice admin

Amstad processing queue preview

Amstad user control Admin only

Permission matrix