What are the competencies that a coach must be able to demonstrate?

Focus on competency 8 of the ICF framework:

Facilitating Client Growth

In a world where the diffusion of professional coaching continues to grow, the International Coaching Federation (ICF) defines the core competencies implemented by coaches for more than 25 years. Today, this foundation includes 8 distinct competencies, the eigth of which consists of "Facilitating Client Growth", i.e. partnering with the client to transform learning and insight into action and promoting client autonomy in the coaching process.

In concrete terms, this means that the coach :

recognizes and supports the client's autonomy in designing goals, actions, and methods of accountability
assists the client in identifying potential outcomes or learnings from the identified action steps.
invites the client to consider how to move forward, integrating resources, support and potential barriers

In our daily coaching practice, we deploy this skill by :

exploring the progress, learning, and awareness of our clients and how this changes their lives and the future (with celebration)
promoting autonomy and empowerment of our clients
conducting regular reviews of our clients' progress towards their own goals