yyResearch Limited

What yyResearch Limited does

yyResearch Limited is a privately held, Hong Kong-based software company headquartered in Wan Chai. The company develops OpusChat, a privacy-focused mobile communications application that enables users to manage multiple social contexts — work, family, hobbies — within a single account through a multi-persona architecture in which contacts are associated with specific personas and assigned privacy preferences. OpusChat is targeted at individual, privacy-conscious consumers and is distributed directly via iOS and Android app stores. The company is led by a founder who previously founded and sold a UK-based electronic trading technology provider, and is operated by a small team of approximately seven experienced technologists with roughly 17 years of collective experience building real-time, mission-critical electronic trading systems handling billions of dollars in daily transactions.

OpusChat runs on yyResearch's proprietary Foundation Platform, a massively scalable distributed cloud platform engineered to support over one billion users at 100 billion daily transactions at low running cost. The platform spans fault-tolerant networking, fault-tolerant servers, distributed databases, and distributed storage clusters (using technologies such as Cassandra and Ceph), and the entire stack is developed in-house in C++, Java, Swift, and Objective-C. Client-side C++ programs target iOS, Android, and Linux systems using Rx, Boost Asio, and WebRTC, and the web client uses React, TypeScript, MUI, and Next.js. This full-vertical, in-house engineering approach is the company's core technical differentiator.

The business model is product-led and direct-to-consumer via mobile app stores, with a stated subscription-based revenue stream for OpusChat, though pricing, customer counts, and revenue figures are not disclosed. The company is described as "well-funded" but does not disclose investors, funding amounts, or funding rounds. yyResearch is currently hiring across iOS, Android, C++, and Web disciplines, indicating an active scaling phase. There are no disclosed enterprise customers, partnerships, certifications, third-party integrations, AI/ML capabilities, or M&A activity in the source data, and geographic operations are stated as Asia-focused with no global footprint claim.

Name

yyResearch Limited

Legal name

yyResearch Limited

Website

https://yyresearch.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

yyResearch Limited is a Hong Kong-based software company that builds OpusChat, a privacy-focused multi-persona mobile communications app for individual consumers, running on its proprietary Foundation Platform — an in-house distributed cloud system designed to support billions of users at low operating cost.

Ownership category

akta.pro rank

Product category

Mobile Messaging Software

NAICS

Software Publishers (5132)

SIC

Services-Prepackaged Software (7372)

akta.pro industry

PRIMARYHDADAFAH

Privacy Management (Consent, DSAR, RoPA)

Hardware, Technology & Telecom/Cybersecurity/Data Security & Privacy (DLP, Encryption, Key Mgmt)

Keywords

• Privacy messaging app
• Distributed cloud platform
• Mobile communications software
• Fault-tolerant infrastructure
• Scalable backend systems

Headquarters

HQ city

Hong Kong

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. OpusChat App: Privacy-focused mobile communications app available for download. Revenue model not explicitly disclosed in available sources.

Go-to-market motion1 record

Distribution channels1 record

Core offering

yyResearch Limited develops and operates OpusChat, a privacy-focused mobile communications application that lets individual users manage multiple social personas (work, family, hobbies) within a single account and assign per-persona privacy preferences. The app is delivered on the company's proprietary Foundation Platform, an in-house massively scalable cloud platform built to support high transaction rates from millions of users at low running cost.

Product overview

yyResearch Limited offers a unified product ecosystem consisting of OpusChat, a privacy-focused mobile communications application, built upon the company's proprietary Foundation Platform. The Foundation Platform provides the underlying massively scalable cloud infrastructure that supports OpusChat's operations, handling high transaction rates from millions of users. Both the platform and application are built and optimised entirely in-house, spanning from server infrastructure to mobile and desktop clients.

Differentiator

Problem solved

Functional benefit

Brands

• OpusChat: A privacy-focused mobile communications app which allows users to communicate and share media under different social contexts like work, family and hobbies all within one application.

Quantifiable outcome

• Support for over 1 billion users with 100 billion daily transactions

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Telegram: Telegram is a cloud-based messaging platform with 900M+ users, offering secret chats with end-to-end encryption alongside standard messaging. It directly competes with OpusChat in the privacy-conscious messaging segment and offers broader feature breadth including channels and large group support.
• Threema: Threema is a Swiss-based privacy-focused messaging app offering end-to-end encryption with anonymous usage options. It targets privacy-conscious users and organizations, directly competing with OpusChat's emphasis on privacy and multi-context communication management.
• Signal: Signal is the most well-known privacy-focused messaging app, offering end-to-end encryption for messages and calls. It is the closest direct peer to OpusChat given its emphasis on user privacy and minimal data collection, though it operates as a non-profit versus yyResearch's startup model.
• Wickr (Amazon): Wickr was a secure messaging platform acquired by Amazon Web Services, offering end-to-end encrypted messaging with self-destructing messages. It targets enterprise and government customers and represents a direct competitor in the privacy-focused communications market that OpusChat addresses.
• Element (Matrix): Element is the flagship client for the Matrix open-source decentralized communication protocol, offering end-to-end encrypted messaging with federation. It directly competes with OpusChat in the privacy-focused messaging space, particularly appealing to users wanting decentralized control over their communications.
• Wire: Wire is a secure messaging and collaboration platform offering end-to-end encryption for messaging, voice, video, and file sharing. It targets both consumer and enterprise customers with a strong privacy stance, making it a direct competitor to OpusChat's privacy-focused value proposition.

Broad incumbents

• Discord: Discord is a communications platform combining persistent chat rooms, voice channels, and community features across gaming and interest-based groups. It competes with OpusChat's hobby/community persona use case and represents a broader incumbent in the multi-context communication space.
• Slack: Slack is the leading workplace messaging and collaboration platform owned by Salesforce. It directly competes with OpusChat's work persona use case, representing a broad incumbent in the segmented communication space that OpusChat aims to unify into a single multi-persona app.
• WhatsApp: WhatsApp is the world's largest messaging platform with 2B+ users, offering end-to-end encryption as a baseline feature. As a Meta-owned incumbent, it represents the broad market leader that any privacy-focused messaging startup like OpusChat must differentiate against, though it serves a much wider audience than yyResearch's privacy-conscious target segment.

Emerging players

• Briar: Briar is an open-source peer-to-peer messaging app focused on maximum privacy, including offline messaging via Bluetooth and Wi-Fi. It targets activists, journalists, and high-risk users, sharing yyResearch's privacy-first philosophy but operating in a more niche security-focused segment than OpusChat's broader multi-persona approach.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/yyresearch-limited

Revenue estimate

Valuation estimate

Number of profiles

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 yyResearch Limited