Featured on the BBC Channel 4 and the Discovery Channel

Welcome to Harmony Hypnotherapy in London & Online

With Award Winning Hypnotherapist Darren Marks.
Darren Marks is the founder of Harmony Hypnotherapy, a hypnotherapy clinic dedicated to ensuring the very best in hypnosis practice. Darren is an expert in Hypnosis and NLP and is one of the top rated and most recommended and reviewed hypnotherapists in the UK. He is an experienced London hypnotist, hypnotherapist and Master Practitioner of NLP and trained as a hypnosis and hypnotherapy instructor with The International Association of Counsellors and Therapists. He taught hypnotherapists for a private school who operated out of Kings College, London, for more than a decade and is recognised as one of Londons Three Best Rated Hypnotherapists.

Darren is conducting hypnotherapy sessions in person at his London office again following our Coronavirus Protocol as well as continuing online by Zoom , Skype or Facetime. 

Our online sessions are proving to be just as effective as in person appointments.

Call the office now on 0845 644 3694 (local rate) or message us via our contact form for more information or to book an appointment. 

Darren practised in Harley Street and worked as a hypnotherapist for the South East Cancer Help Centre for many years. He is the author of a best selling and widely acclaimed range of hypnosis apps for Android, iPhone and iPad. His flagship app Harmony Hypnosis Meditation won Best Lifestyle App at The International Mobile App Awards, has received 1000’s of 5 Star ratings worldwide and has been featured on the BBC, Discovery Channel and The Wall Street Journal.


Darren belongs to several professional organisations including The General Hypnotherapy Register who have awarded him the Senior Qualification in Hypnotherapy Practice. He serves as a director on the board of The International Hypnotherapy Association and is a senior associate member of The Royal Society of Medicine.

Based at the beautiful Adam House in central London, his hypnotherapy work has featured in both the specialist and popular media. His reputation for effective hypnotherapy for anxiety and depression, sleep problems, phobias, and hypnosis for peak performanceweight loss, stop smoking, alcohol and drug abuse, as well as sexual and physical abuse attracts clients not only from London and the UK but from all around the world.

Client Reviews

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"Worrying about job security is a problem for so many people at the moment. I need to feel at the top of my game and Darren’s hypnotherapy sessions have helped me do just that."
- Toni Moawad, Recruitment Executive City of London
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"I am now completely transformed and recommend everyone to try it. It took only 4 sessions which have not only changed my work life but also my personal life for the better.Click to read more"
- Peggy Porschen, Award Winning Cake Designer & Author
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"Thanks to Darren, I feel I possess newly found courage to pursue my life long dream of returning to the stage and can now resume my performing career with renewed inspiration and sense of purpose. Click to read more"
- Angelo Villani, Concert Pianist
"Highly recommend as much quicker results than going to therapy for years. Darren is also incredibly empathetic and a great listener.                                     "
- Doctor Dee
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"In just two hours of hypnotherapy, I was able to significantly undo a phobia about public speaking that was holding back my career. I can now be relaxed even at a big presentational meeting."
- Jon Wright, Film Director
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"I came out of Hypnosis feeling sleepy but clear-headed – entirely free, both of the anxiety that had pervaded the last three or four days, and of any but the most distant desire to have a cigarette. And the feeling continued through working days, visits to pubs and restaurants. I wasn’t smoking and I didn’t mind a bit. Click to read more"
- Jane Feinmann, Award Winning Medical Journalist

To read more reviews CLICK HERE

Disclaimer: Individual results may vary from person to person.


Darren Marks has created an award winning range of hypnosis apps which simulate as closely as possible what it’s like to work with a real hypnotherapist and act as a compliment to private one to one hypnotherapy sessions. The hypnosis apps have also been proven to work well as stand alone support products, have been downloaded more than two million times and received thousands of 5 star ratings and reviews since their launch in 2010.

The apps are available in the iTunes app store and include iPhone and iPad apps along with hypnosis apps for Googles Android platform. Each hypnotherapy app includes video explanations of Hypnosis as well powerful, high quality audio hypnosis sessions.

Try hypnotherapy for FREE right now by downloading our flagship hypnosis app Harmony – Hypnosis Meditation: CLICK HERE