The New Zealand Security Association represents the security industry. Memebership within the NZSA promotes and fosters standards of efficiency, service and ethical behaviour. Greene Security's Corporate Membership within the NZSA requires us to maintain NZSA codes of practice. Accreditation for Corporate Membership is through an audit process. The certificate to the right was issued to Greene Security Limited following an NZSA audit.

In addition to holding Corporate Membership with the NZSA Greene Secuirty use IQP Registered Technicians and issue Certificates of Compliance when appropriate.