UK

• Chartered Institute of Personnel and Development
  Chartered Institute of Personnel and Development
  The Chartered Institute of Personnel and Development is Europe's largest professional institute for people management and development. It is located in Wimbledon, London, England. The organisation has over 135,000 members across 120 countries, and achieved chartered status in 2000...
  
    (CIPD)
• Chartered Management Institute
  Chartered Management Institute
  The Chartered Management Institute is a professional institution for managers, based in the United Kingdom.In addition to supporting its members, the organisation encourages management development, carries out research, produces a wide variety of publications on management interests, and publishes...
  
   (CMI)
• Institute of Administrative Management
  Institute of Administrative Management
  The Institute of Administrative Management is an awarding organisation and professional membership body for practising and aspiring Administrative and Business Managers, with students and members in 65 countries worldwide....
  
   (IAM)
• Institute of Interim Management
  Institute of Interim Management
  The Institute of Interim Management is a UK based professional body for those working in Interim Management in the United Kingdom and internationally.- History :...
  
   (IIM)
• Institute of Leadership & Management
  Institute of Leadership & Management
  The Institute of Leadership & Management is an awarding body for leadership and management qualifications in the UK. It is also a professional membership body for leaders and managers in the UK — providing a wide range of career support services to members.- Improving leadership and Management...
  
    (ILM)
• Institute of Management Consultancy (ICM)
• Professional Managers Association (PMA)