Last Updated: January 19, 2026

Sigma Technology Limited

Aliases

Sigma Technology; Sigma Technology Ltd

Address

45-51 Chatham Road South, Chevalier House, Room 803, Tsim Sha Tsui, Kowloon, HK; 9 Choi Yuen Road, Units 223-226, 2/F, High Tech Center, HK; 9 Choi Yuen Road, Units 303-304, 3/F, High Tech Center, HK; 283 Shaukeiwan Road, 05, 15/F, Seaview Plaza, Shaukeiwan, HK

Linked to

https://www.bis.doc.gov/index.php/policy-guidance/lists-of-parties-of-concern/entity-list

Date of listing

2024-02-23

Program information

Authority

US

Program

Entity List (EL) - Bureau of Industry and Security

Regime

BIS Export Control

Target State

Non-Proliferation

Measures

Other export restrictions

Official Information

The BIS Entity List has evolved into a formidable administrative enforcement tool that imposes a license requirement for exports, reexports, or transfers of some or all items subject to the EAR to listed foreign entities. Those on the BIS Entity List were placed there because there is reasonable cause to believe they have been involved, are involve...

Program URL

• BIS, "Don’t Let This Happen to You!", a compendium of case examples highlighting BIS criminal and administrative enforcement efforts: link