Telecom Digital Holdings

What Telecom Digital Holdings does

Telecom Digital Holdings Limited (電訊數碼控股有限公司) is a Hong Kong-based, Cayman-Islands-incorporated diversified telecommunications and digital services group founded in 1975 and listed on the Hong Kong Stock Exchange (stock code 6033). The company operates an extensive retail network of 71 physical stores across Hong Kong Island, Kowloon, and the New Territories, anchored by its headquarters at Telecom Digital Tower in Kwun Tong. It originates from the legacy paging industry and remains the largest paging service group in Hong Kong, while having progressively diversified into mobile voice and data services under the SUN Mobile brand, IDD 1551 international direct dialing (covering over 200 countries), ICF international call forwarding, licensed securities brokerage (SFC Type 1 regulated activity), authorized device repair (via TSO as an Apple Authorized Repair Center and Samsung partner), the MangoMall e-commerce platform, and an information-app portfolio covering stock quotes (Telecom PRO/金股至尊), horse racing/football data (MangoPRO/電訊至尊), and futures trading (Futures PRO/電訊期指).

The underlying technology stack is conventional telecom infrastructure — voice and data services via SUN Mobile, prepaid per-minute IDD call credits (six-month expiry), subscription-based ICF roaming, and licensed electronic trading platforms with direct connectivity to Hong Kong Stock Exchange broker systems. The proprietary features are largely integration-oriented rather than algorithmic: real-time quote streaming, 5-level market depth, watchlist synchronization, and Hong Kong Jockey Club data integration for horse racing information. The company holds an SFC Type 1 license (CE number API 286, broker codes 1568 and 1569) originating from its wholly-owned Telecom Digital Securities Limited, and maintains authorized repair partnerships with Apple and Samsung.

The business model is multi-stream: subscription revenue from SUN Mobile plans and ICF roaming (HK$15/month with first-year promotional waiver), usage-based revenue from IDD 1551 minutes, hardware margin from device retail (e.g., iPhone 17 Pro at HK$9,539 retail or HK$9,188 plan-bundled), transaction fees from securities brokerage, professional service fees from TSO repair, and potential subscription/premium revenue from information apps. The customer base is horizontal and consumer-led — individual consumers, business/corporate subscribers for paging and secretary messaging, and Hong Kong stock investors and traders — with no named enterprise anchor customers, indicating a distributed long-tail revenue profile reliant on retail footfall and direct-to-consumer channels.

Name

Telecom Digital Holdings

Legal name

Telecom Digital Holdings Limited

Website

https://tdhl.cc

Company type

Public

Founded year

1975

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Telecom Digital Holdings is a Hong Kong-based diversified telecommunications group (HKEX: 6033) operating 71 retail stores, offering SUN Mobile, IDD 1551 calling, paging, licensed securities brokerage, and device repair services to individual consumers and businesses across Hong Kong.

Ownership category

akta.pro rank

Product category

Mobile Telecommunications Services

NAICS

Telecommunications Resellers and Agents for Wireless Telecommunication Services (51712)

SIC

Telephone Communications (No Radiotelephone) (4813), Radiotelephone Communications (4812), Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Carrier Billing & Telco Mobile Money (FSAMAEAD)

Keywords

• Mobile telecommunications services
• International direct dialing
• Securities brokerage services
• Mobile device retail
• Pager messaging services

Headquarters

HQ city

Kowloon City

HQ country

Hong Kong SAR China

HQ region

Asia

Offices5 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Supply Chain

Revenue model

1. Mobile Voice and Data Services (SUN Mobile): Mobile telecommunications services under SUN Mobile brand, providing voice and data plans to individual consumers and businesses. Revenue generated from monthly service plans and usage charges.
2. IDD 1551 International Calling Service: International direct dialing service with coverage to over 200 countries. Customers prepay for call credits which expire after 6 months. Revenue from per-minute call charges.
3. ICF International Call Forwarding: International call forwarding/roaming service allowing customers to receive Hong Kong calls overseas. Monthly administrative fee of HK$15 with promotional first-year waiver.
4. Mobile Device Sales: Retail sales of mobile phones, tablets, smartwatches, and accessories through physical stores and MangoMall e-commerce platform. Revenue from one-time device purchases.
5. Paging/Beeper Services: Traditional pager services including personal pager, corporate messaging, and secretary messaging services. Monthly rental fees for pager devices and messaging plans.
6. Securities Brokerage (電訊數碼證券): Securities trading services licensed by SFC (Type 1 regulated activity), providing stock trading, futures trading, and related financial services. Revenue from brokerage commissions and trading fees.
7. Repair Services (TSO): Mobile device repair services including Apple Authorized Repair Center and Samsung product repair services. Revenue from repair fees.
8. Information Services and Mobile Apps: Stock information apps (Telecom PRO, 金股至尊), horse racing/football apps (MangoPRO, 電訊至尊), and Futures PRO trading platform. Potential revenue from premium subscription features.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels4 records

Core offering

Telecom Digital Holdings is a diversified telecommunications and digital services group providing mobile voice and data services (SUN Mobile), IDD 1551 international direct dialing to 200+ countries, ICF international call forwarding, paging and messaging services, securities brokerage, and mobile device retail. The company operates 71 retail stores across Hong Kong and offers related information apps for stock quotes, horse racing/football data, and futures trading.

Product overview

Telecom Digital Holdings operates as a diversified telecommunications and technology services provider offering a portfolio of interconnected products and services. The core offerings include SUN Mobile (voice/data mobile services), IDD 1551 international calling, and ICF international call forwarding services. The company has expanded into financial technology through its securities trading platform (電訊數碼證券), stock market app (金股至尊/Telecom PRO), futures trading platform (Futures PRO 電訊期指), and horse racing/football betting information services (電訊至尊/MangoPRO). Additionally, the company provides mobile phone repair services through TSO, operates the MangoMall online shopping platform, and maintains retail stores selling smartphones, tablets, smartwatches, and accessories from major brands. The company also maintains legacy pager/messaging services. The portfolio spans telecommunications, fintech, e-commerce, and repair services, creating a comprehensive ecosystem for Hong Kong consumers.

Differentiator

Problem solved

Functional benefit

Brands

• SUN Mobile: Mobile voice and data services brand providing affordable mobile telecommunications services in Hong Kong, successor to New World Transport Network.
• MangoMall
• Telecom PRO (金股至尊)
• MangoPRO (電訊至尊)
• Futures PRO (電訊期指)
• RaceMate (投注樂)

Products and services

• SUN Mobile 話音/數據服務 (SUN Mobile Voice and Data Services) Mobile voice and data telecommunications service brand offering mobile plans with voice and internet connectivity; operates as the successor to New World Transmission Network. Targeted at individual consumers and businesses in Hong Kong seeking affordable mobile telecommunications services.
• IDD 1551 服務 (IDD 1551 International Direct Dialing) International Direct Dial service covering over 200 countries, enabling customers to make international calls using a registered Hong Kong mobile number by dialing 1551 plus country code. Customers prepay for call credits that expire after 6 months. Targeted at Hong Kong consumers and businesses with international calling needs.
• ICF 國際飛線服務 (ICF International Call Forwarding) International call forwarding/roaming service allowing overseas customers to receive Hong Kong calls at reduced rates without paying expensive roaming charges. Includes Hong Kong ringtone feature to protect privacy. Monthly administrative fee of HK$15 with promotional first-year waiver. Targeted at Hong Kong mobile subscribers traveling or residing overseas.
• 金股至尊 (Telecom PRO) Stock Trading Platform Stock market streaming real-time quote application providing multi-functional mobile trading platform with real-time stock prices, 5-level market depth quotes, professional charts, synchronized stock watchlist, and direct stock trading connectivity to Hong Kong broker electronic trading systems. Targeted at Hong Kong stock market investors and traders.
• 電訊至尊 (MangoPRO) Horse Racing and Football Information App Horse racing and football betting information app offering live odds, race analysis, football statistics, and Mark Six lottery information. Professional version includes push notifications, horse racing tags, and live football data. Targeted at Hong Kong horse racing and football betting enthusiasts.
• Futures PRO 電訊期指 (Futures PRO Electronic Trading Platform) Hong Kong futures electronic trading system mobile professional platform providing real-time HSI futures quotes, Hang Seng Index futures trading, and H-shares index futures trading. Targeted at Hong Kong futures market traders.
• 電訊數碼證券 (Telecom Digital Securities) Securities company licensed by SFC for Type 1 regulated activity (securities dealing), with CE number API 286 and broker codes 1568 and 1569, offering stock trading services through the 81181133.com platform. Targeted at Hong Kong stock investors requiring licensed brokerage services.
• TSO 電訊首科 (Mobile Phone Repair Services) Mobile phone repair service center offering authorized Apple repair services for iPhone, iPod, iPad, Beats and Mac products, as well as Samsung product repair services. Targeted at Hong Kong consumers requiring warranty and out-of-warranty mobile device repairs.
• MangoMall Online Shopping Platform Online shopping platform offering discounted daily necessities, home appliances, and mobile phone promotions. Customers can pick up online purchases at Telecom Digital stores. Targeted at Hong Kong consumers seeking convenient online shopping with store pickup options.
• 傳呼機服務 (Pager and Messaging Services) Pager and messaging broadcast services including tele-secretary service, corporate messaging services, and secretary messaging services for both individual and enterprise customers. Example: RX288 device with HK$100 deposit, HK$398 package fee, and HK$98 monthly rental. Targeted at enterprise customers and traditional pager users.
• 智能手機及數碼產品零售 (Smartphone and Digital Product Retail) Retail sale of smartphones, tablets, smartwatches, and accessories from brands including Apple, Samsung, HONOR, Xiaomi, HUAWEI, and Lenovo, available through physical stores and online channels. Targeted at Hong Kong consumers purchasing mobile devices, often bundled with service plans.

Quantifiable outcome

• Coverage to over 200 countries through IDD 1551 service
• +1 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• ApplecoreTechnology or IntegrationApple Authorized Repair Center partnership providing iPhone, iPod, iPad, Beats, and Mac repair services at TSO repair center. Customers need to present valid official invoices for repair service.
• SamsungcoreTechnology or IntegrationSamsung product repair services partnership providing warranty and out-of-warranty repair services for Samsung mobile devices at designated service locations.
• Hong Kong Stock Exchange / Stock BrokerscoreTechnology or IntegrationDirect connection to Hong Kong stock exchange electronic trading systems via Telecom PRO and Futures PRO platforms, enabling real-time trading and quotes for users.
• Hong Kong Jockey ClubcoreTechnology or IntegrationRaceMate (投注樂) provides horse racing information and betting services with data provided by the Hong Kong Jockey Club. MangoPRO app enables direct connection to HKJC betting app.

Scale indicators5 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• HKT (Hong Kong Telecommunications): Dominant incumbent fixed-line and mobile operator in Hong Kong, offering consumer mobile, IDD, broadband, and content bundles. Sets the market baseline for mobile ARPU and bundle design that SUN Mobile and other peers must respond to.
• PCCW Limited: Parent of HKT and a major HK conglomerate spanning telecom, media, and digital services. Provides broader competitive context for how a scaled HK telecom group monetizes bundles, content, and enterprise connectivity versus smaller peers like Telecom Digital.
• Hong Kong Broadband Network (HKBN): HK fixed-line broadband and telecom provider expanding into mobile, enterprise, and digital services. Comparable in offering a multi-product telecom/connectivity portfolio to Hong Kong consumers and SMBs.

Direct peers

• China Mobile Hong Kong: Subsidiary of China Mobile providing mobile voice/data services in Hong Kong, including IDD and roaming products that overlap with Telecom Digital's IDD 1551 and ICF offerings. Competes for the same cross-border calling customers.
• Three Hong Kong (Hutchison Telecommunications Hong Kong Holdings): Hong Kong mobile carrier under Hutchison offering consumer and enterprise mobile plans. Direct competitor to SUN Mobile for HK mobile subscribers and a useful reference point for tariff positioning and retail strategy in the same domestic market.
• SmarTone Telecommunications Holdings: Hong Kong mobile carrier competing for the same consumer and SMB mobile voice/data segment as SUN Mobile. Both operate in a saturated HK market with limited spectrum footprint relative to HKT and face similar competitive dynamics around 5G rollout and pricing pressure.
• i-Cable Communications: Smaller-cap Hong Kong telecom and pay-TV operator that, like Telecom Digital Holdings, runs a diversified but sub-scale portfolio in a market dominated by larger incumbents. Useful benchmark for small-cap HK telecom valuation and dividend policy.
• CITIC Telecom International Holdings: Hong Kong-headquartered diversified telecom holding company providing mobile, international telecom, and enterprise services across Asia-Pacific. Closely comparable structural profile to Telecom Digital Holdings — a listed HK telecom group with international calling, mobile, and adjacent services.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/telecom-digital-holdings-limited

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Telecom Digital Holdings