It is very effective. Whilst there is a physical distance between the client and the therapist online, the screen allows for people to move nearer to it, meaning that, in one sense, the client and therapist are, in fact, physically closer.
Research has found that positive therapeutic relationships are formed via video therapy, with a competent therapist. I have online training to ensure that your therapy is both safe and effective.
The power dynamic within a therapy room can be a potential barrier to the therapeutic relationship. Clients may, therefore, be more inclined to open up in the safety of their own home, so working online can help to dissolve this power imbalance and encourage openness.