Hypnotherapy in Wimbledon and Merton. Hypnotherapy is one of the most effective treatments for unwanted behaviour or anxiety. Whilst ICOCH Hypnotherapy in Wimbledon, South West London deal with a whole range of issues, our hypnotherapists specialise in treatments for weight loss and slimming, stress management, anxiety, phobias, panic attacks and to help you to stop smoking. With clinics in Wimbledon and Central London, we help clients throughout London and Surrey.