Proof of service

What counts as proof of service

Proof of service is anything that independently evidences the visit and the work. In practice that is four things: time and location data, photographs before and after, a written record of what was done and what was used, and the customer's acknowledgement.

No single element is enough on its own. A signature without photographs proves someone was there. Photographs without a timestamp prove something was done, some time. Together they answer the question a disputing client is actually asking.

Why it matters for cash flow

Proof of service matters because disputed invoices are unpaid invoices. A query that takes three days to answer adds three days to your debtor days, and a query you cannot answer often ends in a write-off or a discount.

The cheapest time to collect the evidence is while the technician is still on site. The most expensive time is three weeks later, when all that is left is somebody's memory.

Collecting it without slowing technicians down

Collect it inside the work the technician is already doing, not as a separate admin task afterwards. If evidence capture is a form filled in at the end of the day, it will be thin, late, and occasionally invented.

Omni Field captures notes, photographs, time on site and materials used in the technician app, takes a customer signature on screen, and generates a job completion report as a PDF that includes the photos, the notes and the signature. GPS timestamps and geofence-verified clock-in supply the time and location layer.

Common questions