Inventory Management

The Mystery of Lost Delivery Notes: How to Ensure You Charge for 100% of Your Work

The Mystery of Lost Delivery Notes: How to Ensure You Charge for 100% of Your Work

The Invisible Leak of Profitability in Service Companies

There is a situation that constantly repeats itself in small and medium-sized installation, repair, and maintenance companies. The manager reviews the accounts at the end of the month and has the feeling that the numbers do not add up with the reality experienced. The team has been overwhelmed with work, the phones haven't stopped ringing, the vans have traveled thousands of kilometers, and the technicians have worked overtime. However, the final billing does not reflect that level of frenetic activity. Where is the money? The answer, almost always, lies not in a lack of customers, but in the administrative details that get lost along the way.

The traditional paper-based management model has a serious structural flaw: it relies almost exclusively on the memory and administrative discipline of people whose main job is technical, not bureaucratic. A plumber, an electrician, or an HVAC technician is mentally and physically focused on solving the technical breakdown, making sure the installation works, and getting to the next customer on time. They are not thinking about keeping precise accounting of every small piece they take out of the toolbox.

The Black Hole of Small Materials

Let's imagine a typical service intervention. The technician arrives at the customer's home or business, repairs an industrial boiler, and uses three meters of electrical hose, two metal clamps, a gas charge, and a safety valve. When filling out the manual work report, he writes down "Boiler Repair" and the valve, because it is an expensive and significant part. But, in the rush to pack up tools and get to the next call, he forgets to note the hose and the clamps. Or maybe he thinks: "I'll write it down later in the van," and that "later" never comes because an emergency arises.

If this happens just once, the cost is insignificant and manageable. But if we multiply these small oversights by a staff of five technicians, performing an average of four calls a day for twenty working days a month, the resulting figure is alarming. It is estimated that service companies that do not have digital inventory control in the field lose between 5% and 10% of their materials in unbilled shrinkage. This is money that the company religiously pays to its supply vendor but never recovers from the end customer. It is direct profit that evaporates before reaching the bank.

The Dangerous Journey of Paper and Deferred Information

Another critical point in revenue loss is the physical custody of the work order or delivery note. From the moment the technician fills out the paper at the customer's site until that document reaches the administration desk to be processed and billed, hours, days, or even a full week can pass. During that time, the paper travels on the dashboard of the van exposed to the sun, is kept crumpled in work pant pockets, or is left forgotten in a folder under seats.

A lost delivery note is work performed that will never be billed. Sometimes, the company realizes months later when the customer asks about the warranty of the repair, but by then the damage to the professional image and the company's cash box is already done, and claiming payment is much more difficult. Furthermore, the process of deciphering the technicians' rushed handwriting entails a considerable hidden administrative cost. If the person in charge of billing has to call the technician several times a day to ask what an illegible line says or to confirm a price, productive time from two employees is being lost simultaneously.

The Technological Solution: Origin Billing

The only effective way to stop this financial bleeding is to capture the information at the exact time and place where the expense is generated. This is where mobile management tool technology like Maptainer radically changes the rules of the game for SMEs.

By using a mobile application instead of a carbon copy notebook, the technician does not write on a blank piece of paper relying on their memory. They select the materials used from a predefined list with their references and updated prices. This has a double psychological and practical effect: seeing the list of materials on the screen reminds them to impute small consumables they would otherwise forget. In addition, the system automatically records the start and end time of the intervention using the device's clock, ensuring that labor is billed with millimeter precision, avoiding the rounding down that technicians often do out of insecurity or not checking the clock.

Closing the Cash Cycle and Improving Liquidity

The exact moment the technician presses the "Finish Order" button on their mobile, the digital delivery note is available at the central office, clean, valued, without reading errors, and ready to become an invoice with a single click. There are no misplacements, no handwriting interpretations, and no waiting times. This allows the company to issue the invoice on the same day of the intervention or automatically send it by email to the customer.

It is statistically proven that the sooner an invoice is received, the sooner it is paid. Reducing the time between service delivery and invoice issuance drastically improves the company's cash flow, allowing for liquidity to pay payroll, taxes, and suppliers without treasury tensions. Digitizing this process is not just a matter of "being modern"; it is a fundamental strategy for defending the profitability and survival of the company in a competitive market.

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