Psychological safety is a productivity driver, not a perk.. By Louise Dennison O’Shaughnessy
Psychological safety is often misunderstood, in my experience, as a workplace “perk” linked solely to wellbeing initiatives. In reality, it is a core driver of operational performance, communication, and productivity. When employees feel safe to speak up without fear of blame, embarrassment, or retaliation, organisations perform better across every level of the business.
In high-performing workplaces, I have seen psychological safety consistently strengthen communication. Employees are more likely to raise concerns early, ask questions, challenge unsafe practices, and share ideas that improve efficiency. For example, in manufacturing environments where people feel able to speak openly, I have seen machine operators flag equipment faults early enough to prevent downtime or avoidable injury.
A psychologically safe culture also improves near miss reporting. In construction, what I have seen is that where trust in leadership is strong, workers are far more likely to report hazards such as unstable scaffolding or unsafe lifting practices before they escalate into serious incidents. Where blame cultures persist, these warnings are often suppressed, creating dangerous operational blind spots.
Too many industries remain, in many cases, in a constant state of firefighting, reacting to incidents, failures, and operational breakdowns only after they occur. In practice, reactive responses are significantly more expensive than proactive prevention, yet many organisations continue to prioritise short term fixes over addressing root causes. Data from the Health and Safety Authority highlights that workplace injuries and ill-health carry significant costs for Irish employers, not only in direct compensation and insurance, but also in lost productivity, downtime, and operational disruption. Broader international safety research consistently shows that organisations with strong preventive safety cultures see substantial reductions in incident-related costs. In my experience, many organisations are still more willing to absorb repeated failure costs than invest in preventative systems and behaviours that would remove many of these losses at the source.
The financial reality is that prevention delivers a strong return on investment. Industry research regularly shows that for every €1 invested in effective health and safety prevention, organisations can see returns of several euros through reduced incidents, lower insurance costs, and improved productivity. In an Irish context, I have seen that even modest improvements in reporting culture and early intervention can significantly reduce operational disruption and hidden costs over time, particularly in construction, manufacturing, and logistics environments.
The impact extends beyond safety performance. In healthcare settings, I have seen psychologically safe teams become more willing to speak up about potential clinical errors, communicate more effectively in high pressure situations, and ultimately contribute to better patient outcomes.
Trust in leadership grows when managers listen, act consistently, and encourage open dialogue. In logistics and transport operations, I have seen teams that feel confident in raising concerns are more likely to report fatigue, scheduling pressures, and process inefficiencies before they escalate into safety or service failures.
Psychological safety is not created through policies alone. It is shaped by daily leadership behaviours, how mistakes are handled, whether feedback is acted on, and whether people genuinely feel heard when they raise concerns. In my experience, organisations that embed these behaviours into their culture are far better positioned to improve safety, performance, resilience, and long term financial outcomes.

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About the Author: Louise Dennison O’Shaughnessy
Louise Dennison O’Shaughnessy is the Director of Mental Health & Wellness at EHS International, specialising in workplace mental health training and resilience-building. With over a decade of experience, Louise is a certified Mental Health Instructor, First Aid Trainer, and registered EMT. She is passionate about fostering supportive work environments, reducing absenteeism, and improving employee well-being through innovative training programmes.
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Resources for those in need of Mental Health Support.
At EHS International, we believe that having access to the right support at the right time can make all the difference. That’s why we’ve carefully curated a comprehensive list of trusted organisations dedicated to crisis intervention, counselling, and ongoing mental health services.
Moreover, these resources are designed to empower individuals, families, and workplaces with the tools and guidance they need to navigate mental health challenges effectively. Whether you’re seeking immediate assistance, exploring long-term support, or looking for ways to help someone in need, these organisations are ready to step in.
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