Trust, but Verify: Three Lessons for Leaders

^{“Trust arrives on foot, but leaves on horseback.” — Dutch proverb}

‍

We often talk about trust as if it’s a switch: on or off. In reality, it’s more like a bank account — slow to build, easy to drain, and painfully hard to refill once it’s overdrawn.

Trust — or the absence of it — sits at the heart of many team failures.

This week, the UK government is relearning that lesson in public. Viewed through a trust lens, the current UK Government episode reveals three clear fractures. There might be some lessons to learn.

‍

One Tale: Three Failures of Trust — and Three Lessons

‍

1. Failure of Personal Trust

‍

At the centre of this episode is a failure of relationship trust.

The controversy surrounds Peter Mandelson — a senior Labour politician, former cabinet minister, and recently appointed UK Ambassador to the United States. Mandelson misled The Prime Minister. That now seems evident.

The main question, however, is whether, in a high-stakes appointment, assurances were accepted without sufficient scrutiny. Trust is often treated as binary: either I believe you or I don’t. Verification can feel like doubt or disrespect.

But trust is not static. It shifts with context and consequence.

Kier Starmer appears to have trusted too much.

‍

The lesson: Trust but verify

‍

"Trust but verify" is a translation of a Russian proverb. It was used during the Cold War by Ronald Reagan. “Trust but verify” reflected a sober reality: cooperation was necessary to reduce nuclear threat, but the cost of error was enormous.

Trust was essential — verification non-negotiable.

Trust enables progress. Verification manages risk. For leaders, it means matching oversight to the stakes.

The skill isn’t choosing trust or control. It’s calibrating both. The Prime Minister got this wrong but he's not the first or last.

‍

2. Failure of Collective Trust

‍

While serving as a cabinet minister during the financial crisis, Mandelson received confidential Downing Street briefings that he forwarded to Jeffrey Epstein, a private individual with no official role.

Cabinet government depends on "collective trust". Civil servants write honestly because they believe their analysis will remain inside the system. Once that boundary is crossed, trust fractures.

When senior figures breach confidentiality, the damage extends beyond individuals. Candour drops. Institutional trust weakens.

This dynamic is common far beyond politics. Executive teams often claim unity while quietly briefing outside the room. Information becomes currency. Turf wars often follow.

‍

The lesson: Protect the room

‍

Collective trust is often built by restraint.

For individuals, don’t use confidential information for leverage. For teams, make clear agreements about what stays inside. For organisations, apply consequences consistently when norms are broken.

If the room doesn’t feel safe, honesty evaporates — and without honesty, performance deteriorates.

‍

3. Failure of Public Trust

The third fracture is institutional.

The Edelman Trust Barometer has documented a sustained decline in public trust in institutions, driven by a growing belief that power serves insiders more than the public. Many people feel decisions are shaped within closed networks, benefiting the connected and the wealthy.

This episode reinforces that perception.

It feeds the narrative of an out-of-touch elite — deals shaped behind closed doors, often by the same small circle of men. Language that is carefully lawyered. Explanations that are managed rather than owned.

There is perhaps a secondary failure.

Many commentators now say the appointment of Mandelson was obviously a mistake. But few said anything at the time. Public trust is not built by hindsight and name calling. It's about who speaks up at the time.

At Bridgewater, Ray Dalio’s firm, investment judgements are recorded and revisited so the organisation can see who raised concerns early, who stayed silent, and who was confidently wrong. It is uncomfortable — but it strengthens accountability.

Here, the silence - if you review what was said at the time - is noticeable (note: John McDonnell did publicly criticise the decision, saying that “many will feel Keir Starmer has lost all sense of political judgement on this decision.”)

‍

The lesson: Make accountability visible

‍

Public trust does not recover through hand wringing. It recovers through visible accountability.

For organisations, it means systems that feel fair — transparent promotions, clear criteria, consequences that apply equally.

That means voicing concerns when it matters. Not being smart after the event. For teams, it means recording dissent and reviewing judgements.

When accountability feels distant or selective, trust drains quickly. And once gone, it takes a long time to come back - walking.

‍

One Tip: The Tradesman Test

‍

Next time you need to make a quick trust judgement, use the same logic you’d apply when hiring someone to fix your roof.

Most trust decisions come down to three questions:

‍

• Ability — Are they competent?
• Benevolence — Do they care about me (or the team)?
• Integrity — Are they principled, consistent, and fair?

‍

The goal isn’t to label someone as trustworthy or not. It’s to identify where the concern sits, so you can respond appropriately.

• Low ability needs support.
• Low benevolence needs boundaries.
• Low integrity needs caution.

‍

One Truth: Trust Isn’t a Feeling. It’s a Risk.

‍

Most leadership advice talks about trust as if it’s either present or absent. Organisational research tells a different story.

At its core, trust is a choice to take a risk — "a willingness to be vulnerable based on positive expectations of another person."

That reframing matters. Trust doesn’t grow because teams feel comfortable. It grows because people take small, visible risks — and see how those risks are handled.

Remember the three everyday judgements:

‍

• Ability: Can you actually deliver?
• Benevolence: Do you have my back?
• Integrity: Do you do what you say?

‍

They’re formed in meetings, handovers, deadlines, and decisions.

‍

Researchers also distinguish between two types of trust:

‍

• Cognitive trust: “You’re reliable and competent.”
• Affective trust: “You genuinely care.”

‍

High‑performing teams usually have both — but not always in equal measure. Some teams run brilliantly on reliability long before emotional closeness appears.

The key is that trust is dynamic, not something you “have” or "do not have". Every interaction updates it. Delivering builds it. One missed signal can undo weeks of progress.

Which is why trust isn’t built in workshops. It’s built — or broken — in what we do next with our team.

‍

‍

👉 Read the full blog here for the deeper dive into the research and references