QUESTMARK CONFERENCING SYSTEMS PTE. LTD.UEN 200918499K Copy ?Singapore's unique identifier for an entity in the public record. Learn more Status: InactiveSingapore Company details Company type?The legal or entity type recorded by the relevant source. Learn more Local Company Registration date3 Oct 2009 SSIC code?Singapore's classification code for a company's principal business activity. Learn more 82110 — VIDEO CONFERENCING SERVICES PROVIDER Secondary SSICVIDEO CONFERENCING SERVICES PROVIDER Data sources Company records