What Does Research Actually Say About Coaching Effectiveness?
Interest in executive and workplace coaching has grown significantly over the past two decades. Alongside that growth has come a reasonable question from organisations and buyers of coaching services:
Does coaching genuinely work?
A recent review paper published in the British Psychological Society journal Journal of Occupational and Organizational Psychology revisited a decade of research into workplace coaching and reflected on what the evidence now tells us. The paper builds particularly on a major earlier meta analysis by Jones, Woods and Guillaume which examined coaching outcomes across multiple studies.
The overall conclusion is cautiously positive.
The evidence now suggests that coaching can support meaningful development in a number of areas including:
self awareness
confidence and self efficacy
leadership capability
communication and interpersonal effectiveness
resilience and wellbeing
goal attainment and behavioural change
Importantly, the paper does not present coaching as a magic solution or universal intervention. The authors are careful to avoid exaggerated claims.
One of the more balanced aspects of the review is its recognition that coaching outcomes vary considerably depending on:
the quality of the coaching relationship
the skill and psychological understanding of the coach
the readiness and motivation of the coachee
the organisational environment surrounding the individual
The paper also highlights some ongoing weaknesses in coaching research.
For example:
many studies still rely heavily on self report data
definitions of coaching differ between studies
long term impact can be difficult to measure
organisational performance outcomes are often harder to isolate directly
In other words, the evidence base has strengthened, but it remains more convincing in some areas than others.
The research appears strongest when examining developmental and psychological outcomes such as increased insight, behavioural change and leadership effectiveness. Evidence is less clear cut when attempting to directly attribute wider organisational or financial outcomes solely to coaching.
Another important point from the paper is that coaching research itself has matured. Earlier studies often focused simply on whether coaching “worked”. More recent work increasingly explores:
how coaching creates change
which psychological mechanisms matter
what conditions support success
which individuals or contexts benefit most
This is a key shift. It moves the conversation away from simplistic claims and towards a more nuanced understanding of coaching as a complex developmental process.
Overall, the paper presents coaching as a credible and potentially valuable developmental intervention when delivered thoughtfully and supported appropriately. At the same time, it encourages the profession to continue strengthening standards, theory and research quality rather than assuming effectiveness should be taken for granted.
For organisations, the implication is perhaps less “coaching fixes problems” and more that coaching can create the conditions for greater reflection, behavioural adaptation and professional growth where the wider environment allows those changes to take hold.
Coaching and its effectiveness in organizations: Reflecting on a decade of research, looking forward to future challenges. Journal of Occupational and Organizational Psychology. https://doi.org/10.1111/joop.70115 (4 May 2026)