Key Takeaways
- ✓ Employee turnover is costly in direct terms (recruitment, training and lost productivity) and indirect terms (loss of institutional knowledge, customer relationship continuity and team stability), making retention a commercially significant HR priority.
- ✓ Structured onboarding programmes - covering role clarity, team integration, cultural orientation and early performance support - accelerate new employee productivity, reduce early turnover and build organisational commitment from day one.
- ✓ Employee wellbeing encompasses physical health, mental health, financial security and social connection at work; organisations with proactive wellbeing cultures consistently report lower absenteeism, higher engagement and stronger retention.
- ✓ The most effective retention strategies combine competitive pay with non-financial factors including career development opportunities, flexible working arrangements, meaningful work, recognition practices and inclusive team cultures.
- ✓ Exit interview data and leaver surveys provide evidence-based insight into the actual reasons employees leave, enabling HR to identify systemic issues and target retention interventions where they will have the greatest impact.
Full Transcript
What is employee retention and why does it matter?
Alex: Welcome back to the Leadership and Management podcast. I'm Alex, joined as always by Sam. Today's topic is retention, onboarding and employee wellbeing. We talk a lot about how to find good people, but keeping them is arguably the more important challenge. Sam, how serious is the cost of getting retention wrong?
Sam: Very serious indeed. The CIPD estimates that the average cost of employee turnover in the UK is around £12,000 per person, and that rises to over £30,000 for specialist or management roles once you account for all the indirect costs: recruitment, induction, the time before the new person is fully effective, and the burden on colleagues covering during the gap. For organisations already facing skills shortages, that's not an abstract HR problem. It's a direct threat to performance.
How does effective onboarding affect employee retention?
Alex: What does the research tell us about why people leave in the first place?
Sam: It's usually a combination of factors, and pay is often not top of the list. Organisational culture is consistently one of the strongest predictors of whether people stay. If someone doesn't feel aligned with the values of the organisation, or if the culture is toxic or blame-oriented, no amount of pay will compensate for that in the long run. Career development opportunities matter hugely too. People who don't see a future for themselves in an organisation tend to build that future elsewhere.
Alex: And managers themselves seem to play a disproportionate role.
What is employee wellbeing and how do organisations support it?
Sam: There's a well-worn phrase in HR: people don't leave organisations, they leave managers. And the evidence backs it up. Quality of line management is one of the biggest drivers of retention. A good manager who gives regular feedback, advocates for their team, recognises effort and supports development creates an environment people want to stay in. The reverse is also true. A poor manager, even in a good organisation, will drive people out.
Alex: What about wellbeing? That's become a much bigger part of the retention conversation in recent years.
Sam: It's now a strategic priority rather than a peripheral benefit. The Health and Safety Executive reports that work-related stress, depression and anxiety account for over 17 million lost working days in the UK every year. And Deloitte estimated the cost to employers of poor mental health at around £56 billion annually. So it's genuinely expensive to ignore. Effective wellbeing programmes tend to combine an Employee Assistance Programme for mental health support, flexibility to support work-life balance, active management of workload, and a culture where it's genuinely acceptable to say you're struggling.
What are the most effective retention strategies?
Alex: Coaching and mentoring come up as specific retention tools too. How do they contribute?
Sam: They address several motivators simultaneously. They signal investment in the individual, they provide career development support, they build relationships, and they create a sense of being valued beyond one's current role. Coaching tends to be shorter-term and goal-focused. Mentoring is more about long-term career guidance. Both are relatively low cost compared to recruitment fees and both produce measurable improvements in engagement and retention when done well.
Alex: Here's a question to sit with: if you were advising a manager whose team is experiencing higher-than-usual voluntary turnover, what would you investigate first, and what would you rule out as likely the cause? What does that tell you about your theory of retention?