Private Enterprise LLM & AI Automation
100% data-sovereign solutions for medical, legal, and financial institutions. End-to-end private LLM from data cleansing to OpenAI-compatible API integration.
Explore private LLM hostingBuild a High-Performance Enterprise
Dedicated R&D & Remote Dev Outsourcing
Skip the cost of full-time engineer salaries. We provide a fully remote expert team — from websites and cross-platform apps to private enterprise LLM managed deployment — powering your digital transformation.
Digital Transformation
Full-Stack Remote Dev Team Outsourcing
Beyond traditional IT maintenance — we are your dedicated technology engine driving business growth, from full-stack systems to private AI training.
Enterprise Digital Transformation
Remote Dev Team — Your On-Demand Engineering Partner
From full-stack web systems and cross-platform app development to private enterprise AI training, we break down technical barriers and turn your ideas into production-ready software.
Standard monthly plans from
HK$ 2,000 / month
* Remote-only support. Minimum 12-month contract.
All plans include: 1 US dedicated-IP VPS and web/app development quota.
- Full remote code support: Instant bug fixes and architecture guidance.
- Full-stack development: Websites, iOS, and Android dual-platform apps.
- Premium private AI hosting: LLM training and on-premise deployment services.
- Flexible app publishing: Free via YSK accounts, or use your own company accounts.
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| Best for | Startups / MVP stage Companies needing foundational system development and cloud server hosting. |
|---|---|
| Remote support | 5 technical tickets/month Bug fixes, code consultation, and architecture advice (remote only). |
| App & web dev | Website, iOS & Android — 5 dynamic pages total Ideal for business showcases, simple forms, or core logic validation. |
| Server & network | 1 US dedicated-IP VPS with basic setup and domain binding. |
| App publishing | Publishing via YSK Limited developer accounts on Apple / Google Play is free; using your own company accounts requires Apple/Google annual fees. |
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| Best for | SMEs / digital transformation brands Businesses needing complete system features, membership, or active maintenance. |
|---|---|
| Remote support | 20 technical tickets/month Deep code support, API debugging, and performance optimisation (remote only). |
| App & web dev | Website, iOS & Android — 20 dynamic pages total Suitable for login, shopping carts, and database-driven applications. |
| Server & network | 1 US dedicated-IP VPS with advanced performance, automated backups, and firewall setup. |
| App publishing | Publishing via YSK Limited developer accounts on Apple / Google Play is free; using your own company accounts requires Apple/Google annual fees. |
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| Best for | Large e-commerce / tech-dependent platforms High demands for architecture complexity, concurrency, and frequent iteration. |
|---|---|
| Remote support | 50 technical tickets/month Senior architecture support, database optimisation, and urgent patch fixes (remote only). |
| App & web dev | Website, iOS & Android — 50 dynamic pages total Custom ERP, complex workflows, and multi-role permission systems. |
| Server & network | 1 US dedicated-IP VPS with top-tier performance, load balancing, and zero-trust architecture. |
| App publishing | Publishing via YSK Limited developer accounts on Apple / Google Play is free; using your own company accounts requires Apple/Google annual fees. |
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| Best for | Legal / medical / finance / listed companies / Web3 projects Clients requiring unlimited development resources, absolute data security, or blockchain support. |
|---|---|
| Remote support | Custom SLA with dedicated chief architect and project manager. |
| Private LLM hosting | End-to-end from dataset creation, model fine-tuning to private API deployment. Annual plans from HK$88,000 — confidential data stays 100% on-premises. |
| App & web dev | Large enterprise websites and cross-platform apps — unlimited pages Full custom agile development based on your specifications. |
| Server & network | Hybrid cloud (AWS/GCP) clusters, high-availability local AI servers, blockchain node deployment. |
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| Comparison | YSK Remote Dev Team | Traditional IT Support | In-House Team |
|---|---|---|---|
| Core expertise | Enterprise systems, private LLM, cross-platform apps, Web3 architecture | Hardware repair, cabling, antivirus installation | Depends on individual skills — rarely full-stack |
| Operating cost | Fixed monthly fee from HK$2,000 (very low cost) | Per-incident billing or moderate monthly fees (~$5,000+) | HK$30,000+/month (MPF, benefits, turnover risk) |
| Tech stack coverage | Full-stack (React, Node.js, Python, private LLMs, etc.) | Basic network setup, off-the-shelf software troubleshooting | Single or limited technology stack |
| Server support | Free 1 US dedicated-IP VPS hosting included | Customer pays separately for hosting | Requires dedicated DevOps engineer |
Core Capabilities
Our Core Development Areas
More than writing code — we solve business problems with modern technology stacks. Explore each area in depth.
Web Systems & Cross-Platform Mobile Apps
Custom systems with React.js, Node.js, PHP8, and React Native — from UI/UX to backend databases. CRM, booking systems, and high-traffic e-commerce.
App & system development detailsCloud Architecture & Cybersecurity
Deploy to AWS, Google Cloud, or dedicated VPS with zero-trust architecture. High-traffic resilience with protection against attacks and data leaks.
Cloud & security architectureWeb3 Blockchain & Decentralised Systems
Smart contract development, DApp engineering, and blockchain node deployment with rigorous Solidity coding and architecture guidance.
Web3 & node development
In-House Products
Products Built by YSK
Battle-tested SaaS, Web3, and AI desktop tools — built by our team so you can focus on creation and growth.
YSK SaaS · 100+ shops trust us
SalonEase — Shop Management System
Cloud-hosted ERP for salons, hair studios, nail bars, and retail. POS, scheduling, instalments, loyalty, and multi-branch management — zero technical barrier, ready in minutes.
Professional POS
Smart booking
Multi-branch control
Loyalty programme
$100
Early Bird / 30 days (locked forever)
$350
Standard / 30 days
+$200
Dedicated VPS add-on / 30 days
YSK Web3 · V5 Decentralised AI Agent Marketplace
SoulMD Hub — Web3 AI Platform
The ultimate multimodal AI Agent platform. Build, share, and monetise AI personas via modular .md files (SOUL.md, STYLE.md, RULES.md) with token-gated security and NEAR on-chain IP protection.
Vision AI analysis
Top-tier reasoning
Sliding memory
BYOK private chat
6,431+
AI personas shared
13,772+
Web3 creators
1,532
AI knowledge domains
YSK · AI short-drama desktop studio · MIT
InstantDrama Magician — Short-Drama Studio
AI professional short-drama desktop studio. From one idea to a finished film: story → characters / costumes / scenes / props → linear timeline → AI storyboard & video → FFmpeg export. Cross-platform Electron app, full CLI, and optional browser remote control.
AI storyboard & video
Identity lock cast
Linear timeline
138-channel CLI
Desktop
Win / macOS / Linux
10
UI languages
MIT
Open source
YSK · Developer gateway · MIT
Grok CLI Gateway — OpenAI-Compatible API
Production OpenAI-compatible HTTP gateway for local Grok CLI (grok -p). Chat Completions, Responses, Anthropic Messages, durable queue, AES-256 encryption, OTP Admin panel, and media studio. CLI: gctoac · default port 3847.
OpenAI / Anthropic API
Safe / Agent policies
Durable chat queue
OTP Admin panel
:3847
Default API port
AES-256
Encrypted audit
npm
gctoac CLI
Beyond Development
Advanced Technical Support & Optimisation
Enterprise-grade architecture refactoring and performance improvements for deep technical challenges.
Third-Party API Integration
Stripe / Alipay payment gateways, WhatsApp Business API automation, and private AI model integration — seamlessly connecting new tech to your existing operations.
Performance Optimisation & Database Refactoring
Code optimisation and MySQL/PostgreSQL restructuring for slow or high-traffic legacy systems — eliminating concurrency crashes.
Technical SEO & SSR Architecture
Next.js server-side rendering rewrites ensuring Google Core Web Vitals compliance and significantly improved organic search rankings.
DevOps & CI/CD Automation
Git version control with automated testing and deployment pipelines — eliminating manual overwrite risks and accelerating development cycles.
UI/UX Design & Code Translation
End-to-end Figma prototyping to React/Vue frontend code — 100% faithful reproduction of design details and animations.
Proven Results
Confidential Client Success Stories
Client names are anonymised per NDA, but the technical challenges and measurable outcomes are real.
Logistics & Transport
Established Local *** Freight Company
Challenge: Paper records and chaotic Excel spreadsheets caused high missed-order rates and inefficient fleet dispatch.
Solution: Custom internal ERP and driver dispatch app built with React and Node.js.
Result: 80% less admin time, fully paperless operations.
Large Retail Chain
Hong Kong Major *** Lifestyle Retailer
Challenge: Legacy e-shop crashed during holiday sales; 8+ second load times drove customers away.
Solution: Deep code optimisation, MySQL refactoring, and migration to high-availability AWS cluster.
Result: 300% faster load times, zero downtime during promotions.
Fintech & Blockchain
Major Cross-Border *** Crypto Payment Platform
Challenge: Multi-chain EVM payment integration with absolute smart contract fund security.
Solution: Dedicated RPC nodes deployed and maintained; expert Solidity contract development and optimisation.
Result: Passed top-tier security audit; processed tens of millions in safe transactions.
International Legal
Renowned Global *** Law Firm
Challenge: Daily review of complex contracts consumed enormous manpower; NDAs prohibited uploading to public AI like ChatGPT.
Solution: Private LLM managed hosting with decade of contract data for dataset cleansing, fine-tuning, and dedicated API deployment.
Result: 100% data-sovereign AI assistant; contract review time reduced by 70%.
Frequently Asked Questions
Direct answer: Plans start at HK$2,000/month and include fully remote code support, web and dual-platform app development quotas, and one US dedicated-IP VPS for hosting.
Private LLM training is available via a separate annual managed plan starting from HK$88,000. All plans require a minimum 12-month remote-only contract.
Direct answer: Yes — all outsourcing plans include app publishing and review support on Apple App Store and Google Play.
Publishing via YSK Limited developer accounts is completely free. If you prefer your own company accounts, you only pay Apple/Google annual platform fees directly to those providers.
Direct answer: Traditional IT support fixes hardware; YSK developer outsourcing builds your digital assets — code, apps, private LLM, and cloud security.
We focus on core business software development including commercial logic, high-performance websites and apps, enterprise private LLM managed deployment, and cloud network protection — not PC repairs or cable installation.
Blockchain Infrastructure
Global Public Chain Node Operator
YSK Limited is not only a software developer but a maintainer of top-tier blockchain networks — proof of our server performance and security expertise.