„As client of perform Group, Bouygues Immobilier Polska can strongly recommend and testimony of our cooperation. perform Group provide precise and tailor made solutions to clients based on strong experience and high capacity to listen to needs and transform into „concrete” trainings. I can personally also recommend perform Group and particularly Joanna MIKOLAJCZAK for her ability to work on development of collaborator during long period of coaching for example. Hard worker with efficient advices.”