Because every quote, PO, job, and invoice pulls from it. One clean customer or vendor record means pricing, terms, and history are right everywhere — duplicates and stale records are how ERPs rot.

Access is controlled by role down to the screen and action level — an operator can clock and report quantities but never see financials; an estimator sees costs but not payroll.

The vendor master carries approved-vendor status, certifications, and quality scorecards — the approved supplier list your API Q1 audit expects, maintained as live data.

Yes. Every change to master records is logged with the user, timestamp, and before/after values — including sensitive fields like vendor banking details, which can require dual approval.