Insight
Legacy processes rarely get questioned because they technically still work. The cost isn't visible on a P&L line, rather it shows up as capacity you never get back.
Category: Continuous Improvement
Read time: 3 min
Most inefficient processes don't look inefficient from the inside. They work. Orders get fulfilled, invoices get sent, clients get served. The business survives on them, which is exactly why nobody stops to question them.
Take a manufacturer that still prints every purchase order because "someone needs to sign it," even though the approval is immediately scanned back into the system. Or a professional services firm where every proposal sits in a director's inbox for approval, despite the pricing and scope rarely changing. Neither process feels inefficient when you're living inside it. They're simply "how we do things."
The cost of an outdated process rarely shows up as a single expense you can point to. It shows up as time — the extra ten minutes per transaction, the manual double-check because the system can't be trusted, the person who has to be cc'd on everything because they're the only one who remembers how a step is supposed to go.
Think of the accounts manager who spends thirty minutes every Friday reconciling two systems because customer records don't sync properly. Or the office administrator who manually copies online enquiries from one platform into another because nobody ever connected them. In many businesses there's also "the spreadsheet person" — the employee who maintains a critical workbook that nobody else fully understands. Every important decision waits until they're back from annual leave.
None of these individually look like a problem. Multiplied across a year, they represent a meaningful chunk of your team's capacity — capacity that could be spent on growth instead of maintenance.
There's a useful test: ask why a process is done a certain way, and if the honest answer is, "That's how we've always done it," rather than, "That's the best way to do it," it's worth a second look.
Toyota built much of its operational philosophy around repeatedly asking "Why?"—often five times—to uncover the real cause of a problem instead of accepting the first explanation. More often than not, the issue wasn't the person; it was the process. Businesses that keep asking "why" expose assumptions that everyone else has stopped noticing.
Not every legacy process is wrong. Airline pilots still use pre-flight checklists despite decades of technological advancement because they reduce human error. Hospitals continue using surgical safety checklists for the same reason. Some processes survive because they've consistently proved their value. Others survive simply because nobody has challenged them.
The difference matters.
The most expensive legacy processes are rarely the oldest. They're the ones that continue through inertia, long after the business has outgrown them. A sales approval process that made sense with five employees can become a bottleneck with fifty. A founder approving every invoice may demonstrate good financial discipline in the early years, but eventually it slows decisions and creates dependence on one person.
The fix isn't necessarily new software or a full rebuild. Often it's smaller than that: removing an unnecessary approval step, combining two systems that don't talk to each other, or giving one person clear ownership of a task that currently gets done by whoever has time.
One distribution business discovered that every customer order passed through four different people before being dispatched. No step was difficult, but each handover created delays. By reducing the process to two clear owners, they shortened turnaround times without hiring anyone or buying new technology. Improvements like these are rarely dramatic, but they compound remarkably quickly.
Practical, targeted changes tend to outperform sweeping ones, and they're far easier for a team to actually adopt.
The businesses that grow sustainably are the ones that periodically stop and ask, "Does this still make sense at our current size?" They're not necessarily the ones with the newest software or the biggest budgets. More often, they're the ones willing to question yesterday's habits before they become tomorrow's constraints.
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