Amstad Turn Company

Subcontractor Invoice Portal

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

Prototype v1 — ready to review

Create invoice

Fields marked with * are required.

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

Line items

Each line item needs a QuickBooks classification.

Contractor account & invoice history

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

Amstad processing queue preview

Contractors can submit any time, but the queue shows whether the job is still active, under final review, or ready for processing.