Double entry: how much does it really cost your business?
The re-entry of data from one tool to another is one of the most common time-wasters in small and medium-sized enterprises (SMEs). And one of the least visible in the accounts. Here’s how to understand what it really costs, beyond appearances.
The double encoding does not appear in any line of your income statement. No one has a "data re-entry" position in their budget. And yet, in most SMEs we support, it represents hours of lost work each week. The question is not whether it costs something. The question is to understand why no one sees it.
What is really called double entry
Double encoding is the act of entering the same information multiple times into different systems because these systems do not communicate with each other. It is not a one-time issue. It is a structural friction that repeats with every operation, every day.
The most common forms in SMEs:
- An order created in the CRMthen copied into the billing software, then transferred to the Excel file for tracking deliveries
- An invoice received as a PDF by emailthen manually copied into the accounting software
- A customer record updated in one toolbut not in the other, creating two contradictory versions of the same information
- Stock data updated in the ERPbut not in the online store, generating orders for unavailable items
- Intervention reports written in the fieldthen copied in the office into the billing or payroll software
In each of these cases, someone in your organization is spending time moving information that already exists elsewhere. This time costs money. And every manual transfer is an opportunity to introduce an error.
Data re-entry is often considered normal in an organization. It is not. It is a friction that good tools structurally eliminate.
Why this cost is so hard to see
The double encoding is invisible in the accounts because it is diluted. It does not manifest as a single identifiable expense. It hides in the salaries of people who spend part of their day copying data instead of creating value. It disappears into the mass of working time, like a water leak too slow to be noticed but constant enough to empty the tank.
A saleswoman who spends twenty minutes a day copying her quotes into the billing software does not complain. She considers it part of her job. Her manager does not mention it either: no one has ever defined this task as problematic. It has been a routine since day one, and routines are invisible.
The true cost of double entry is not measured in money but in lost time, accumulated errors, and missed opportunities. These are three distinct dimensions, and each weighs on the reality of your organization.
The direct cost: the time spent copying
The first dimension is the easiest to conceive, even though it remains difficult to measure without paying attention to it. Each re-entry takes time. A few minutes per operation, several times a day, for multiple people in the organization. Accumulated over a week, then a month, then a year, this time ultimately represents a significant burden on the shoulders of employees whose true role should be to create value, not to move data.
To get an idea of the scope in your organization, ask each member of your team to track for a week the time they spend entering information that already exists in another system. The result is almost always surprising. What seemed marginal becomes visible as soon as it is measured..
The general rule: the more an organization has separate tools that do not communicate with each other, the greater the time spent on re-entering data. It is no coincidence that SMEs that struggle the most to improve productivity through hiring are often those with the most fragmented tools.
The cost of errors: each re-entry is a risk
The second dimension is more insidious. Every time a human transfers information from one system to another, they can make mistakes. A misplaced comma in an amount, a miscopied item code, an outdated shipping address, a due date entered in the wrong field. Individually, these errors seem minor. In reality, their consequences can be disproportionate to their source.
An error in a shipping address can result in a package return, a customer follow-up, a shipping fee refund, and a damaged relationship. An error in a billed amount can create a dispute that takes weeks to resolve. A customer record with two contradictory versions can lead a salesperson to send an offer based on outdated information.
What most companies do not do is trace the cause of their errors back to their origin. The error is treated as an isolated incident. But if you trace back the chain, you almost always find a manual re-entry somewhere upstream. Correcting an error that arises from a re-entry consistently costs more than preventing the re-entry from occurring.
The first step to eliminate double encoding is to map the flows: where the information originates, how many times it is copied, and where errors can slip in.
The opportunity cost: what is not done during this time
The third dimension is the least visible and the most structuring in the long term. When your collaborators spend time copying data, they are not doing anything else. This "something else" has a value that double encoding discreetly steals from them.
A sales representative who synchronizes their tools for one hour a week does not spend that hour preparing for meetings, following up with hot leads, or deepening their understanding of clients. A technician who re-enters their intervention reports at the office in the evening does not analyze them to identify recurring trends. An administrative assistant who inputs supplier invoices one by one does not optimize payment timelines or detect billing anomalies.
The opportunity cost is difficult to quantify precisely. But it is real. In some organizations, it represents the most significant loss. Not what double encoding costs directly, but what it prevents from being done.
A concrete way to assess this opportunity cost: ask yourself what each person affected by double entry could do that would be more useful if that time were freed up. If the answer is "more sales," "fewer errors," "better customer service," or "less delay in deliveries," you have an idea of what it really costs you.
Why double entry persists despite all this
If double encoding costs so much, why is it so widespread? The answer lies in how organizations cope with their invisible problems.
First, it is comfortable in the short term. Everyone does their part in their tool, and it works. The friction is spread out among everyone, so it doesn't completely block anyone. We manage, a little less efficiently than we could, but we manage.
Then, it is ingrained in habits. Teams that have always operated this way do not identify re-entering data as a problem but as a normal task. Questioning this normality requires an outside perspective or a triggering event, such as a growth period that suddenly makes the volume unbearable.
Finally, the solution seems complex. Connecting two software programs, or replacing them with an integrated system, appears to be a heavy project. This perception of the solution's cost often prevents action, even when the cost of the problem would more than justify the investment.
The right question is not "how much does the tool that eliminates double encoding cost?". It's "how much does it cost me to continue living with it?" When you ask the question in that order, the answer often changes.
Three typical situations to recognize oneself in
The service SME with separate CRM and billing
A sales representative creates a quote in the CRM. When the client accepts, someone copies this quote into the billing software. The assistant updates the Excel tracking file for clients. If the sales representative makes any changes afterward, they must remember to modify it in all three places. What no one sees is the cumulative time of all these transfers, multiplied by the number of orders each week, throughout the year.
The commercial SME with an online store not connected to the ERP
Online orders are manually imported into the ERP every morning. Stock levels are updated in the store after each receipt of goods. When the stock of an item drops to zero in the ERP but the store has not yet been updated, orders continue to come in. This leads to cancellations, refunds, and frustrated customers. The cost is not only in time: it is also in customer relations and reputation.
The technical SME with paper intervention reports
The technicians fill out their reports in the field. The administrative assistant re-enters them at the end of the day into the billing software. If a report is illegible, incomplete, or submitted late, billing is delayed. If any information is copied incorrectly, the invoice may be disputed by the client. All the time spent on this manual processing chain could be eliminated with a mobile application directly connected to the billing system.
How to get out of double encoding
There are two approaches depending on the depth of the problem in your organization.
The first is to connect existing tools through integration. If you are attached to your current software and the issue is simply their lack of connectivity, an integration between them may be sufficient. Most modern software exposes an API that allows data to flow automatically from one system to another. This type of integration is often less expensive than one might think.
The second is to centralize in an integrated system. This is structurally the most efficient approach. When all data resides in the same environment, double encoding disappears by design. An ERP like Odoo manages quotes, orders, invoicing, inventory, purchases, and accounting in the same space. Information entered once automatically propagates through all relevant flows.
The choice between the two depends on the extent of the problem. If the double encoding affects one or two isolated streams, targeted integration may be sufficient. If it is structural and affects the majority of processes, centralization in an ERP will be more effective in the long run. In both cases, the first step is to precisely identify where re-entries occur and what their actual impact is on your organization.
What to remember
The double encoding is not a technical problem. It is an economic problem that manifests in a technical form. It costs time, generates errors, and ties up resources on tasks with no added value. It persists because it is invisible, habitual, and the solution seems complex.
The first step is to see it. Identify the re-entry flows in your organization. Ask your teams how much time they spend on it. Observe the errors for which no one reports the cause. In most cases, this observation alone is enough to make the problem concrete enough to justify action.
At Wappli, we regularly conduct this data flow audit for Belgian SMEs that want to assess their situation before deciding on a project. If you want us to do it for you, this is the first conversation to have.
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