What it really takes to build a high-performance culture in 2026

Posted by: Sara Romero
January 23, 2026

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Most leadership teams we work with are under no illusion about the pressure they are facing.

Performance expectations continue to rise, while the margin for error shrinks. Costs are higher, growth is harder to sustain, and volatility has become a permanent feature rather than a passing phase. Organisations are expected to adapt faster, with fewer certainties, and under greater scrutiny.

In response, many leaders are doing what feels right. They are refining strategy, tightening priorities, and looking for clearer accountability. They are asking more of their organisations, and often of themselves.

Yet despite this effort, performance frequently falls short of what the strategy promised.

Not because the strategy is flawed.
But because the culture required to deliver it has not been deliberately shaped.

This was the thinking behind our recent Evening Standard Business Guide advert. It reflects a reality we see repeatedly when working with CEOs and senior leadership teams who are serious about performance and increasingly frustrated by the gap between intent and execution.

The quiet truth about execution

Strategies rarely fail at the point of design. They fail in execution.

They fail in the moments that do not make it into strategy decks. When decisions slow because alignment is fragile. At the poi leaders avoid the difficult conversation because the cost feels too high. When accountability is diluted across roles and forums. When internal friction consumes more energy than customers or outcomes.

These are not technical or analytical shortcomings. They are behavioural ones.

Culture is the accumulation of those behaviours over time. It shapes how people respond when priorities collide, when information is incomplete, and when the pressure is on. In that sense, culture determines whether strategy survives contact with reality.

High performance, therefore, is less about having better ideas, and more about creating the conditions in which those ideas can be executed consistently.

The loneliness at the top

There is another truth that often goes unspoken.

For many CEOs, the responsibility for culture feels isolating. Strategy can be debated. Financial performance can be reviewed. Operational plans can be stress-tested. But culture lives in a more ambiguous space, and ultimately the accountability for it sits firmly at the top.

CEOs frequently tell us that while everyone agrees culture matters, few are able or willing to challenge honestly how it is being shaped. Conversations become careful. Feedback is filtered. And the very position that carries the greatest responsibility can become the most difficult place from which to see clearly.

This loneliness is not a failure of leadership. It is a natural consequence of role, power, and complexity. The risk lies not in its existence, but in pretending it is not there.

High-performing organisations are led by CEOs who recognise this dynamic, and actively create the conditions for honest challenge, reflection, and support around them.

Culture is not an overlay. It is the operating system.

One of the most persistent misconceptions we encounter is the idea that culture can be addressed alongside strategy, rather than as part of it.

In practice, culture is the operating system through which strategy runs. It governs how decisions are made, how power is exercised, how challenge is handled, and how risk is approached. If that operating system is misaligned with strategic intent, performance will always be constrained, regardless of how strong the plan looks on paper.

The organisations that outperform understand this. They move beyond asking whether culture matters, and instead ask whether their culture is actively enabling execution or quietly working against it.

That shift in mindset is foundational.

What high-performance cultures are deliberately built on

Across our work with senior leadership teams, a small number of consistent patterns emerge. Not as theory, but as practical realities.

1. Culture is treated as a strategic choice

High-performing organisations are explicit about the culture their strategy requires. They recognise that different strategic ambitions demand different behaviours, and they make those expectations clear.

This removes ambiguity. Leaders and teams understand not just what needs to be achieved, but how they are expected to work together to achieve it.

2. Behaviour, not values, is the focus

Values statements rarely hold organisations back. Behavioural misalignment does.

High-performance cultures are built by being precise about behaviour. How leaders show up in meetings and decisions are taken when trade-offs are required. How challenge is invited and responded to, particularly under pressure.

This level of specificity can feel exposing. It is also what creates clarity, trust, and momentum.

3. Leadership teams start with themselves

Culture change that begins “out there” in the organisation rarely lasts.

Leadership teams that create meaningful change are willing to examine their own dynamics first. How aligned they really are. Where tension is avoided. How their behaviour is experienced by others, often in ways they did not intend.

This requires humility and discipline. Without it, culture initiatives remain cosmetic.

4. Rigour and measurement replace assumption

Most organisations care deeply about culture. Where many struggle is in underestimating the discipline required to change it.

High-performing organisations treat culture change with the same rigour as any other transformation. They define the behaviours they are seeking and measure progress at that level over time.

This is why meaningful measurement matters. At Coode, we work with Culture15 to support this process, not as a diagnostic in isolation, but as part of a broader change journey. Robust measurement provides leaders with a clear, evidence-based view of how behaviours are shifting, where progress is being made, and where friction remains.

What gets measured gets attention. And what gets attention is far more likely to change.

Measurement also creates honesty. It replaces anecdote and intuition with shared insight, enabling leadership teams to have more grounded, productive conversations about what is really happening beneath the surface.

5. Independent challenge is welcomed

One of the clearest indicators of a high-performance culture is a leadership team’s relationship with challenge.

The strongest teams recognise that alignment does not eliminate blind spots. They value independent partners who can bring perspective, hold up the mirror, and say the things that are difficult to surface internally.

This is particularly important at the top of organisations, where the combination of responsibility and isolation can easily distort perception over time.

Why this matters even more now

Looking ahead to 2026, the cost of cultural misalignment will only increase.

As uncertainty grows, organisations will need to make faster decisions with less information. That requires trust, shared behavioural norms, and leadership teams who are genuinely aligned. Without these foundations, friction compounds quietly and performance erodes, often long before it shows up in the numbers.

High-performance cultures are not a softer alternative to strategy. They are the means by which strategy survives contact with reality.

A final reflection

High performance is not the product of ambition alone, nor of well-crafted plans created in isolation.

Companies create high performance when they deliberately align leadership, strategy and culture. When leaders treat behaviour as a strategic lever. When people measure progress with discipline and honesty. And when leaders recognise that they do not need to carry the weight of this work alone.

This is how unrealised performance becomes potential, realised.

The organisations that understand what that really takes will not just navigate the years ahead.
They will outperform within them.

Potential, realised

At Coode, we look at strategy through a human lens because success depends on how people work together. When leadership teams achieve real alignment in how they lead, they unlock performance that may have been present all along but not yet fully realised.