Building Today for AI's Tomorrow
We focused on building reusable software infrastructure for the AI era
Who we are
Koji Limited is a Hong Kong AI-powered IT consulting and systems integration house. We design, build, and operate our own B2B AI products, and bring the same engineering to businesses modernising with AI.

Koji Limited is a Hong Kong–based AI venture studio. We develop focused, engineer-led software products designed to solve complex business problems. Our philosophy is simple: start lean, ship fast, and prioritize high-impact functional utility.

We offer specialized AI tools: BR AI OCR for Greater China registration processing; NC Name Card Inbox for converting business cards into WhatsApp contacts; and Soul Compiler for building AI agents with authentic personality and behavioral depth.

Have a vision or a specific project in mind? We would love to discuss how our AI solutions can help you scale. Reach out to our team today to explore potential collaborations and technical partnerships.
Discover our core services and accomplishments
Automate Business Registration certificate extraction across HK, China and Macau in seconds.
Learn more
Turn business card photos into searchable contacts via WhatsApp — no app needed.
Learn moreBuild AI agents with genuine personality depth, not just shallow system prompts.
Learn moreWe build our own AI products — and we build them for you
Koji Limited is a Hong Kong AI-powered IT consulting and systems integration house. We design, build, and operate our own portfolio of B2B AI products — and we bring the same engineering to businesses who want to modernise with AI: web, search (SEO / AEO / GEO), and systems integration.
Running our own products keeps us honest. We build the way engineers build things they have to maintain — carefully, with the boring parts done properly — and client work gets that same standard: not deliverables that stop mattering at launch, but infrastructure designed to keep working.
Infrastructure first
Our founding conviction is simple: durable value comes from reusable infrastructure, not one-off deliverables. A feature solves one problem once. Infrastructure — a well-designed extraction pipeline, a clean data model, a framework other products can stand on — solves whole classes of problems, repeatedly, and gets cheaper to extend each time.
The same conviction drives our approach to AI models themselves. Models improve fast, and a product welded to any single one becomes a liability the day a better one appears. So we design model-agnostic: the intelligence layer is swappable by construction, which means each new generation of AI models makes our products stronger — without a rewrite, and without our customers noticing anything except better results.
In practice that means we start lean, ship fast, and prioritise high-impact functional utility over feature bloat. If a capability does not clearly save someone time or reduce someone's risk, it does not ship.
What we build
BR AI OCR
Business Registration certificates are a fixture of doing business in this region — and re-typing them is a fixture of onboarding, compliance, and accounting work. BR AI OCR automates the extraction of Business Registration certificate data across Hong Kong, Mainland China, and Macau. A scanned certificate goes in; structured, ready-to-use data comes out in seconds, ready to flow directly into onboarding, compliance, and accounting workflows. No manual transcription, no copy-paste errors in fields where errors are expensive.
NC Name Card Inbox
Business cards still change hands at every meeting in this part of the world, and most of them end up in a drawer. NC Name Card Inbox closes that gap with deliberately minimal friction: photograph a card, and it becomes a structured, searchable contact delivered through WhatsApp. There is no app to install and no manual typing — the tool meets people inside a channel they already use every day.
Soul Compiler
AI agents drift. Over a long interaction, an agent that started with a clear persona tends to flatten into something generic. Soul Compiler is our framework for building agents with genuine character: it compiles a structured personality — voice, values, boundaries, behaviour — into a form the agent can hold onto, so it stays consistent and in-character across long interactions. It is also a working example of our infrastructure-first philosophy: Soul Compiler powers Koji's own multi-agent tooling. We are its first and most demanding user.
How we work with you
The same infrastructure-first approach applies when we work with your business:
- AI adoption & systems integration — we modernise existing systems with AI where it creates real leverage, not hype.
- Web & search visibility — we build sites and improve how findable you are across Google, AI Overviews, ChatGPT, and Perplexity (SEO × AEO × GEO). We run this on our own site first: Koji SEO Lab is our public diagnostic, and koji.ltd is our own dogfood.
AI handles the logistics; people keep the judgment.
Building today for AI's tomorrow
We are engineers, and this is an engineering bet: that the companies who benefit most from the next generation of AI will be the ones whose foundations were designed for it — not bolted onto it afterwards. That is the work we do every day, on our own products, for businesses across Hong Kong, Mainland China, and Macau.
If any of this maps to a problem you have, we would like to hear about it. Write to us at info@koji.ltd.
FAQ
Frequently asked questions
What does Koji Limited do?
Koji Limited is a Hong Kong AI-powered IT consulting and systems integration house. We build and operate our own B2B AI products, and we help businesses modernise with AI — web, search (SEO / AEO / GEO), and systems integration.
What is BR AI OCR?
BR AI OCR automatically extracts Business Registration certificate data across Hong Kong, Mainland China and Macau, turning a scanned certificate into structured, ready-to-use data in seconds for onboarding, compliance and accounting workflows.
Do I need to install an app to use NC Name Card Inbox?
No. Photograph a business card and NC Name Card Inbox returns a structured, searchable contact through WhatsApp — there is no app to install and no manual typing.
What is Soul Compiler?
Soul Compiler is Koji's framework for building AI agents with genuine character. It compiles a structured personality — voice, values, boundaries and behaviour — so agents stay consistent and in-character across long interactions.
Which regions does Koji serve?
We serve businesses in Hong Kong and across Greater China, including Mainland China and Macau.
How can I contact Koji Limited?
Email us at info@koji.ltd to discuss a project or a technical partnership.