The 3 most common reasons companies fail — according to Warren Buffett.

We work with many companies that are market leaders—successful, stable, and respected.
But success has a downside: when there is no pain, there is often little understanding of why change is necessary in the first place.

And this is often exactly where the slow decline begins.

The legendary investor Warren Buffett describes this pattern with the so-called “ABCs of business decay”—the three most common reasons why successful companies decline:

A – Arrogance

rrogance arises when success becomes a habit. When leadership teams begin to believe they are untouchable. When a sense of “we know better” takes hold.
Once a company stops listening—to its employees, its customers, and changes in the market—it becomes blind to new realities.

• What helps: cultivate humility. Listen to younger voices. Question assumptions. Foster a culture of “What if we’re wrong?”.

B – Bureaucracy

Bureaucracy often begins with good intentions—processes are meant to help ensure quality.
But at some point, the system tips. Processes no longer serve progress, but the preservation of the system itself.
Every decision requires a form, every idea an approval, every impulse a meeting.
Organizations slowly suffocate under their own complexity. People stop taking responsibility because they know they will have to wait for the next stamp anyway.

• What helps: streamline processes. Move decisions to where the knowledge is. Create room for autonomy and delegate responsibility. Reward courage.

C – Complacency

Complacency is particularly dangerous because it often goes unnoticed. When people believe that past success guarantees future success, they lose the ability to renew themselves.
They begin to react instead of shaping the future proactively.

Companies that were once pioneers suddenly become custodians of their own past.

• What helps: rediscover curiosity. Invite an external perspective. Regularly ask yourself: “What could make us obsolete?”

The uncomfortable truth is that arrogance, bureaucracy, and complacency tend to emerge precisely when a company is at the height of its success.

That’s why it is the responsibility of leadership to recognize these signals early and take countermeasures.

Here is a short self-check against the “ABCs of business decay”:

Arrogance:

• Do we encourage open disagreement—even toward leadership?
• Do we still see ourselves as learners?
• Do we regularly seek honest feedback?

Bureaucracy

• How long do important decisions actually take?
• Are there processes whose purpose no one can explain anymore?
• Do employees experience autonomy or control?

Complacency:

• Do we ask ourselves what makes us vulnerable—or only how we can grow?
• Do we invest in learning?
• Do we look outward—or only at internal metrics?