Power of Body Language to Convey Trust at Work: What the Research Reveals

Power of Body Language to Convey Trust at Work: Why Your Actions Speak Louder
Your words may say, “Trust me.” But what is your body saying?

In high-stakes workplace interactions, people do not evaluate your words in isolation. They also notice whether you appear:

• Engaged.
• Open.
• Comfortable.
• Defensive.
• Distant.
• Genuinely interested in them.

That matters during a sales presentation, sales call, executive meeting, interview, or difficult conversation. When your verbal and nonverbal signals conflict, people may question which message to believe.

The power of body language to convey trust at work is not about memorizing tricks. It is about ensuring that your nonverbal behavior reinforces your intent to connect.

What the Research Actually Says About Body Language and Trust
Our microlearning experts caution against much of the conventional wisdom surrounding body language. There is no scientifically reliable dictionary claiming that crossing your arms always means defensiveness, touching your face means dishonesty, or looking away means someone is lying.

Context matters.

But research from MIT, Cornell, and Northwestern provides a more intriguing insight into how nonverbal behavior can influence trust between strangers.

Researchers paired 43 strangers, videotaped five-minute face-to-face conversations, and then had participants play an economic exchange game. Greater trust allowed participants to exchange more tokens and increase their potential gains.

When researchers analyzed the conversations, they discovered patterns between specific clusters of nonverbal behavior and subsequent trust.

Behaviors Associated with Lower Trust
Participants demonstrated less trust when their counterparts displayed combinations of more avoidant behaviors, including:

• Crossing their arms
• Touching their face
• Touching their hands together
• Leaning backward

Behaviors Associated with Greater Trust
More affiliative behaviors were associated with stronger interpersonal connection, including:

• Smiling naturally
• Leaning forward
• Nodding to demonstrate engagement

The provocative finding is not that touching your face suddenly makes you untrustworthy.

The pattern matters more than the individual gesture.

The Power of Body Language to Convey Trust at Work: Are You Moving Toward People — or Away from Them?

This is where the research becomes useful.

Avoidant behaviors can create psychological and physical distance. Affiliative behaviors tend to communicate engagement, openness, and a willingness to connect.

That distinction has significant implications for solution selling.

Imagine a salesperson saying, “I really want to understand your concerns,” while leaning backward, folding their arms, rarely smiling, and appearing physically disengaged.

Now imagine another salesperson leaning slightly forward, listening intently, nodding naturally, and responding with genuine curiosity.

The words could be identical. The experience probably would not be.

Stop Performing Trustworthiness
The biggest mistake is turning body language into theater.

If you consciously tell yourself, Smile now. Nod twice. Lean forward, you risk appearing rehearsed or manipulative. Trust rarely grows from performing supposedly trustworthy gestures.

A better approach is to change the intention behind the interaction.

Instead of thinking, How do I convince this prospect?, consider:

• What am I genuinely curious about?
• What matters most to this person?
• What am I missing?
• How can I help them make the best decision — even if it is not the decision I want?

An affiliative mindset tends to produce more naturally affiliative behavior.

Authenticity Is the Ultimate Nonverbal Signal
Body language becomes especially powerful when it is congruent with what you say and intend.

A genuine smile differs from a manufactured one. Attentive listening feels different from waiting for your turn to speak. Authentic curiosity creates a different conversation than trying to maneuver someone toward your preferred outcome.

That is why authenticity matters.

The objective should not be to look trustworthy.

The objective should be to behave in ways worthy of trust — and allow your body language to reinforce that reality.

The Bottom Line
The power of body language to convey trust at work is less about decoding individual gestures and more about recognizing patterns of connection versus distance. Our sales leadership simulation assessment experience reinforces that the most influential people combine credibility, authenticity, curiosity, and customer-centricity. Before your next important conversation, ask yourself a deceptively simple question: Does my body language communicate that I am genuinely interested in connecting with this person — or am I unintentionally creating distance?

Great ideas and good intentions are not enough if you cannot navigate the politics around you. To increase your influence without sacrificing your values, download Organizational Savvy: How to Navigate Workplace Politics Without Losing Your Integrity and learn how to build support, navigate power dynamics, and get important work done without playing dirty.

by Tristam Brown: CEO

Tristam Brown is an executive business consultant and organizational development expert with more than three decades of experience helping organizations accelerate performance, build high-impact teams, and turn strategy into execution. As CEO of LSA Global, he works with leaders to get and stay aligned™ through research-backed strategy, culture, and talent solutions that produce measurable, business-critical results. See full bio.