What research can tell us about team coaching, where it may help an organisation, and why outcomes depend on more than coaching alone.
01 / Definition
Jones, Napiersky and Lyubovnikova (2019) describe team coaching as a team-based learning and development intervention: it treats the team as a system, works with the team collectively, and focuses on team performance and a shared goal. This is a research-grounded definition of the practice, not evidence that every coaching programme improves performance.
02 / What research suggests
Working together on a shared goal can give a team structured time to reflect on how it works, learn from experience, coordinate decisions and clarify working relationships. These are useful processes to strengthen and observe; they are not guaranteed results. The team's task, design, leadership and wider organisational conditions also shape what is possible.
In a 2001 field study of self-managing teams, Wageman (2001) found that both team design and leaders' hands-on coaching were related to self-management, member relationships and satisfaction. Team design choices, rather than hands-on coaching alone, affected task performance. The study is a reminder that coaching works within the conditions leaders create; it is not a stand-alone fix.
Edmondson's (1999) study of 51 manufacturing work teams offers related evidence about a possible mechanism, not a test of an external coaching programme. Team psychological safety was associated with learning behaviour, and learning behaviour mediated the relationship with team performance. This does not establish that team coaching itself creates psychological safety.
03 / An organisational example
In a longitudinal action-research case, Fernández-Llano et al. (2025) followed a 24-person senior team in a Spanish bank. The authors reported improvements over time in a customer-rated service-quality indicator and customer bonding, measured by products purchased by existing customers. Customer acquisition was mixed: its annual comparison was not statistically significant (p = .388), while a pre/post subperiod comparison differed (p = .046). This is one organisational case; it does not show that coaching caused the changes, establish customer acquisition as a benefit, or demonstrate that the findings generalise to other organisations.
04 / Evidence limits
The evidence here includes a paper clarifying what team coaching means, research on leader coaching and team design, a related study of team learning, and one longitudinal organisational case. They answer different questions. Taken together, they support a practical case for examining team processes and relevant work outcomes, not a universal promise of improved performance.
05 / A practical measurement lens
A useful evaluation begins with a clear line between the team's shared goal and the changes it hopes to see.
Sources