If the application is submitted outside these 90 days, a new application may be required. During the verification processes, your contact person will be notified that issues can be resolved. Please note that all taxes may be subject to VAT. In line with CREST`s stated goal of « enhancing professionalism in the security testing industry », CREST imposes requirements on member companies to ensure consistency in service standards. Application process After receiving an expression of interest, CREST will ask you to sign a mutual NDA. Once an NDA has been signed, CREST will provide you with your registration data for our member portal. There is a £750 registration fee for company membership. This involves all the support and cooperation with CREST regarding the application. .