The hidden law of transaction costs

Almost every entrepreneur measures growth at the top: more customers, more revenue, more people. Yet most growth doesn't stall because of a shortage of demand, but because of something far less visible – the rising cost of making all that activity fit together. A British economist described that mechanism as early as 1937, long before software existed. Those who understand his insight look differently at automation, at structure, and at the question of why some companies double their revenue and still breathe more thinly than before.

Why does a company exist at all?

In 1937 the economist Ronald Coase asked a question that seemed naive at first glance: if the free market is so efficient, why do companies exist at all? Why doesn't every entrepreneur hire the cheapest external party for every task at every moment? His answer became a cornerstone of modern economics. A company exists because using the market isn't free. Every time you arrange something outside your organisation, you pay hidden costs: finding someone, negotiating, checking, aligning, correcting. Coase called these transaction costs. A company emerges precisely at the point where it becomes cheaper to coordinate something internally than to arrange it on the market again and again.

The cost nobody sees on the invoice

That insight sounds academic, until you realise it describes exactly where most SMEs get stuck. When a company grows, it's not only revenue that rises. So does the number of handovers – between people, departments, systems and customers. And every handover is a miniature transaction with its own cost: an email that needs answering, a status someone has to check, a data point retyped from one system into another. Individually each of these takes a few seconds. Together they form the largest, least measured cost item of a growing business. They appear on no invoice, show up in no ledger, and yet they determine whether growth is profitable or merely exhausting.

Why revenue and margin drift apart

Here a phenomenon arises that many business owners recognise but can rarely explain. Revenue doubles, but profit doesn't. The company feels busier, not richer. The explanation is that internal coordination costs don't grow linearly with revenue, but faster. Double the number of people and you don't double the number of communication lines – you nearly quadruple them. Every new employee, every new system, every new customer variant adds not one connection but connections to everything that already exists. This is the same mathematics that explains why a team of five runs smoothly and a team of twenty-five suddenly needs meetings to prepare for meetings.

Automation isn't a cost saving, but a lowering of transaction costs

Whoever sees automation as 'cheaper than a person' misses the point. The real economic function of software is that it brings the cost of a transaction close to zero. An automated handover doesn't need to be found, doesn't need to be negotiated, and corrects itself. This fundamentally changes Coase's equation. When coordinating becomes almost free, the tipping point between 'do it internally' and 'arrange it externally' shifts, and so does the limit of how large a company can become before it collapses under its own complexity. Automation, in other words, raises the ceiling under which an organisation stays manageable.

Where you really feel it: the seams between systems

It's no coincidence that the greatest inefficiencies almost always sit at the seams – where sales hands over to operations, where one system ends and the next begins, where a file passes from hand to hand. These are precisely the places where a transaction occurs. A company that wants to know where its money disappears should look not at the tasks, but at the transitions between the tasks. That's where the waiting time sits, where the error sits, where the retyping sits. A good automation analysis is in essence a transaction-cost analysis: where is information handed over, and what does that handover really cost in time, errors and delay?

The strategic choice that follows

If coordination is the real limit on growth, then the most important strategic question isn't 'how do we sell more?', but 'how do we lower the cost of handling more?'. That changes what a company invests in. Not an extra salesperson to feed a stuttering machine faster, but smoothing the seams where the organisation loses time. An SME that structurally lowers its transaction costs can grow without proportionally more overhead, more stress and more errors. That isn't an efficiency project – it's a scaling strategy.

From insight to organisation

Coase wrote his essay almost a century ago, in a world without email, ERP or APIs. His logic has only become more relevant since, because technology acts precisely on the variable he identified. The entrepreneurs who understand this no longer measure their business by revenue alone, but by the fluidity with which work moves through it. Strategoo starts at those seams. We map where transaction costs pile up in your organisation – the handovers, the duplicate entry, the waiting times – and build the integrations and workflows that make coordinating cheaper. So your business grows not heavier, but lighter.