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ISP & Telecom Directory · Hong Kong

Hong Kong Telecom & ISP Providers Starting With S

Registered contact details for the 51 OFCA-licensed operators whose name begins with the letter S, from the OFCA register as of 10 September 2026. Address requests to the registered address on the licence. No law-enforcement desk is published in this data, so confirm the right legal or compliance contact with the operator before sending. Verify against the live register before serving legal process.

Showing 1–51 of 51 entries

SalesCatalysts.com Limited

SBO Class 3 (IVANS)
Address
Flat/Rm 07, 4/F., China Aerospace Centre, 143 Hoi Bun Road, Kwun Tong, Kowloon
Regulator reference
SBO-1411

SG.GS (HK) Limited

SBO Class 3 (ISP)
Address
Room 2401, CC Wu Building, 302-308 Hennessy Road, Wan Chai, Hong Kong
Regulator reference
SBO-1770

Shinetown Telecommunication Limited

SBO Class 3 (ETS)
Also registered as
SBO Class 3 (IVANS)
Address
Room 7-11, 22/F., Corporation Park, 11 On Lai Street, Shatin, N.T
Regulator reference
SBO-0352; SBO-1620

Sicitel Limited

SBO Class 3 (ISP)
Address
Room 1802, 18/F, Khora, 128 Bedford Road, Tai Kok Tsui Kowloon
Regulator reference
SBO-1772

SilverTech Telecom Co., Limited

SBO Class 3 (ISP)
Address
Room 1611, Nan Fung Centre, 264-298 Castle Peak Road, Tsuen Wan, New Territories
Regulator reference
SBO-1891

Sinch Hong Kong Limited

SBO Class 3 (IVANS)
Address
5/F., Manulife Place, No. 348 Kwun Tong Road, Kwun Tong, Kowloon
Regulator reference
SBO-1956

Singapore Telecom Hong Kong Limited

SBO Class 1 (local voice telephony)
Also registered as
SBO Class 3 (ISP; ETS)
Address
21/F., 1063 King's Road, Quarry Bay, Hong Kong
Regulator reference
SBO-0035

SINNET CLOUD HK LIMITED

SBO Class 3 (ISP)
Address
Room 08-09, 19/F., Tower 1, Lippo Centre, 89 Queensway, Admiralty, Hong Kong
Regulator reference
SBO-1949

Sinnet International Limited

SBO Class 3 (ISP)
Address
Room 603, 6/F., Laws Commercial Plaza, No. 788 Cheung Sha Wan Road, Cheung Sha Wan, Kowloon
Regulator reference
SBO-1913

Sino Asia Industrial Limited

SBO Class 2 (local voice telephony)
Also registered as
SBO Class 3 (ISP; ETS)
Address
Flat 1701, 17/F, Unicorn Trade Centre, 127-131 Des Voeux Road Central, Central, Hong Kong
Regulator reference
SBO-0034

SINOCOMM LIMITED

SBO Class 3 (ISP)
Address
Unit 6-7, 13/F., Laws Commercial Plaza, 788 Cheung Sha Wan Road, Kowloon
Regulator reference
SBO-1826

Sinoking Cloud Limited

SBO Class 3 (ISP)
Address
No. 12, 19/F, Ho King Commercial Centre, 2-16 Fa Yuen Street, Mongkok, Kowloon
Regulator reference
SBO-1856

Sky Leader Limited

SBO Class 3 (ETS)
Address
12/F, Trans Asia Centre, 18 Kin Hong Street, Kwai Chung, New Territories
Regulator reference
SBO-0930

SNG WAN LIMITED

SBO Class 3 (IVANS)
Address
Unit A-E, 13/F, Golden Sun Centre, 59-67 Bonham Strand West, Sheung Wan, Hong Kong
Regulator reference
SBO-1805

Southern Telecom (Hong Kong) Co., Limited

SBO Class 3 (ISP)
Address
Room A27, 24/F., Regent’s Park Prince Industrial Building, No. 706 Prince Edward Road East, San Po Kong, Kowloon
Regulator reference
SBO-1905

Spacesail International Limited

Unified Carrier Licence
Address
Room 14, 29/F, Ho King Commercial Centre, 2-16 Fa Yuen Street, Mongkok, Hong Kong
Regulator reference
UCL-077

SPEED UNION LIMITED

SBO Class 3 (ISP; ETS; teleconferencing)
Address
Room 607, 6/F, Wayson Commercial Building, 28 Connaught Road West, Sheung Wan, Hong Kong
Regulator reference
SBO-1849

SpeedCast Limited

Unified Carrier Licence
Also registered as
SBO Class 3 (ISP; ETS)
Address
34/F, Tower One Times Square, 1 Matheson Street, Causeway Bay, Hong Kong
Regulator reference
UCL-037; SBO-0675

SPEEDER TECHNOLOGY LIMITED

SBO Class 3 (ISP)
Address
Unit 1406B, 14/F., Belgian Bank Building, 721-725 Nathan Road, Kowloon, Hong Kong
Regulator reference
SBO-1944

SPEEDY GROUP CORP. LIMITED

SBO Class 2 (local voice telephony)
Also registered as
SBO Class 3 (ISP)
Address
UNIT 3701P, 02 & 03P, 37/F, ONE KOWLOON, 1 WANG YUEN STREET, KOWLOON BAY, KOWLOON
Regulator reference
SBO-0038

SpiderNet IT Service Limited

SBO Class 3 (ISP)
Address
Flat 33B, 9/F, Chuan Yuan Factory Building, 342-344 Kwun Tong Road, Kowloon
Regulator reference
SBO-1990

STARCLOUD INFORMATION LIMITED

SBO Class 3 (ISP)
Address
Room 185, G/F, Hang Wai Industrial Centre, No. 6 Kin Tai Street, Tuen Mun, N.T
Regulator reference
SBO-1908

StarHub (Hong Kong) Limited

Unified Carrier Licence
Address
Suite 2006, 20th Floor, 340 Queen’s Road Central, Hong Kong
Regulator reference
UCL-019

STT Limited

Unified Carrier Licence
Address
Unit 3110, 31/F, Standard Chartered Tower, Millennium City 1, 388 Kwun Tong Road, Kwun Tong, Kowloon
Regulator reference
UCL-005

Sun Mobile Limited

SBO Class 3 (MVNO)
Address
39/F., PCCW Tower, Taikoo Place, 979 King’s Road, Quarry Bay, Hong Kong
Regulator reference
SBO-1445

Sun Network (Hong Kong) Limited

SBO Class 3 (IVANS)
Address
Unit 213, 2/F, Block B, Shatin Industrial Building, 5-7 Yuen Shun Circuit, Shatin, N.T
Regulator reference
SBO-1400

SUNDII TECHNOLOGY LIMITED

SBO Class 3 (ISP)
Address
2/F, Yau Tak Building, 167 Lockhart Road, Wanchai, Hong Kong
Regulator reference
SBO-1876

SunnyVision Limited

SBO Class 3 (ISP)
Address
Unit 1, 7/F., Midas Plaza, 1 Tai Yau Street, San Po Kong, Kowloon
Regulator reference
SBO-1338

SUOZHOU LIMITED

SBO Class 3 (ISP)
Address
Room A07, 1701-02 New Trend Centre, 704 Prince Edward Road East, San Po Kong, Kowloon
Regulator reference
SBO-1975

SYNERGY INFORMATION GROUP LIMITED

SBO Class 3 (ISP)
Address
Office B3, 12/F., Causeway Bay Commercial Building, 3 Sugar Street, Causeway Bay, Hong Kong
Regulator reference
SBO-1964

Systech Telecom Limited

SBO Class 3 (ISP)
Address
Room 403, 4/F, Valley Centre, 80-82 Morrison Hill Road, Wanchai, Hong Kong
Regulator reference
SBO-1029

Independent reference compiled from OFCA (Office of the Communications Authority) - Carrier Licences Enquiry (Unified/Mobile Carrier Licensees) and Services-Based Operator (SBO) Licences Enquiry, with registered addresses taken from the licence documents; service flags from DATA.GOV.HK 'List of SBO Licensees'; hotlines/websites from OFCA's consumer 'Telecommunications Services Providers' page for study and investigative use. Ministry of Cyber Affairs is not a government body and does not represent any listed provider. See the Hong Kong directory overview and the directory hub for other countries.