Our clients


  • I am very happy to have you and HC21 back. …I am not alone in the confidence with HC21.

  • Thank you for your tremendous attention to detail and professionalism – very impressive!

    Professor of Haematology,
  • You are miracle workers from Heaven! This is amazing work and I love it!

    Field Medical Training Director,
  • You were awesome. Thank you for making the advisory board a great success.

    Medical Director,
    Regeneron Pharmaceuticals
  • Thanks for the well-run meeting. It accomplished a lot in a short period of time.

    Professor of Surgery,
  • I can’t tell you enough what a great experience it was, truly. I feel my knowledge of MS [multiple sclerosis] and management of the disease has been enhanced significantly.

    Senior Staff Nurse,
  • Thank you all for this quick turn-over. It is very rewarding to work with you all.

    European Medical Lead,
  • Thank you for your unlimited support and kindness throughout the process! It has been an amazing teamwork and a great pleasure to work with you all.

    Scientific Affairs Lead,
  • You have done a fantastic job as our partner and together we have planned and executed all of the events successfully.

    Senior Medical Director,