Compliance · Hong Kong
RCS Compliance in Hong Kong
A practical overview of the rules that affect RCS messaging and marketing in Hong Kong, with a checklist before you launch.
Key Rules for RCS in Hong Kong
RCS business messaging availability in Hong Kong depends on operator and device support, so we confirm coverage before planning campaigns and keep SMS as a fallback; the same consent rules that apply to SMS apply to RCS.
RCS support differs widely between Asian markets and operators, so coverage should be confirmed for each country before planning a campaign.
Data Protection
The Personal Data (Privacy) Ordinance (Cap. 486), overseen by the PCPD, governs data collection, including a Personal Information Collection Statement on forms and consent for direct marketing.
Keep a record of how each contact was collected, what they agreed to and when, and make it easy for them to withdraw consent.
Practical Checklist
- Verify your brand with the RCS provider and keep the sender profile accurate.
- Confirm device and operator coverage for the country and configure SMS fallback.
- Apply the same consent rules you use for SMS marketing to promotional RCS.
- Keep suggested replies meaningful and do not hide key terms inside images.
- Track opt-outs and suppress those numbers on both RCS and SMS.
Contact data
Format numbers in international E.164 format with the +852 country code, remove duplicates and invalid numbers, and keep consent records linked to each number.
Timing and Language
Hong Kong follows the Asia/Hong_Kong time zone (UTC+08:00 in October 2026). The usual working week is Monday to Friday. Schedule RCS campaigns for the recipient's local daytime hours, avoid public holidays and religious observances that matter to your audience, and convert send times from IST before scheduling.
In Hong Kong, customers commonly use Cantonese, English and Mandarin. Messages in the customer's preferred language usually perform better, but check how local-language text affects character counts (for SMS) and template approval (for WhatsApp).
Digital Habits and Channels in Hong Kong
Hong Kong has very high smartphone use, and WhatsApp is the main messaging app, while WeChat is used for mainland China contacts. Since 2023 the SMS Sender Registration Scheme lets registered organisations send texts with a '#' prefix in the sender ID so recipients can recognise genuine messages.
Octopus cards, FPS (Faster Payment System), PayMe, Alipay HK and credit cards dominate payments. Lunar New Year, the Mid-Autumn Festival and the year-end shopping season are key periods, and both Chinese and English content are expected.
Hong Kong's Unsolicited Electronic Messages Ordinance requires commercial electronic messages to identify the sender and include an unsubscribe facility, and OFCA operates do-not-call registers for fax, SMS and pre-recorded voice messages that senders must check. The Personal Data (Privacy) Ordinance has strict direct marketing rules: businesses must get the person's consent before using their personal data for direct marketing, and breaches can be criminal offences. There is no sales tax or VAT.
Advertising Alongside Messaging
Advertising must comply with the Trade Descriptions Ordinance and platform policies, with particular rules for health and financial products.
This guide is general information, not legal advice, and reflects our understanding as of October 2026. Rules change, so we check current requirements for Hong Kong before every launch.
Planning RCS campaigns for Hong Kong?
We check the rules, set up sender requirements and run compliant campaigns.
RCS in Hong Kong: FAQs
Do I need consent to send marketing RCS messages in Hong Kong?
In most cases, yes, or at least an existing customer relationship and a clear opt-out. RCS business messaging availability in Hong Kong depends on operator and device support, so we confirm coverage before planning campaigns and keep SMS as a fallback; the same consent rules that apply to SMS apply to RCS.
Is RCS available in Hong Kong?
RCS business messaging availability in Hong Kong depends on operator and device support, so we confirm coverage before planning campaigns and keep SMS as a fallback; the same consent rules that apply to SMS apply to RCS.
Can DND Teams run RCS campaigns to Hong Kong?
Yes. We are based in Bhopal, India, and run campaigns for international markets remotely, after checking the current rules, sender requirements and coverage for Hong Kong.
Is this legal advice?
No. This guide is general information to help you plan. Regulations change and their application depends on your business, so take local legal advice for significant campaigns.
Related Guides and Services
Other channels in Hong Kong
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