Contact us

Our team shall be delighted to answer our inquiries. 

Office phone number: +44 203 824 23 55

Office address 

Onyx International Consulting & Services

Suite LP29583

20-22 Wenlock Road

London N1 7GU


Depending on the nature of your request, please contact one of the following addresses:

  • certification process and candidacy:

  • press information:

  • administrative request:

  • claim :