A PKI Trust Service Consultancy
Digital, or X509 public key certificates, the algorithms, CA servers and HSMs, key management.
Asymmetric key pairs, encryption and digital signatures and their technical standards and specifications etc....
The people, Authority, Ownership, accountability, Audit, controls, transparency and reputation.
Certificate Policy (CP) and Certification Practice Statements (CPS) - IETF RFC 3647.
The rules, scope, procedures and processes, legislation, entity identification and validation (Registration Authority) assurance levels and finally - TRUST.