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Set up Ekwo for Hong Kong
Two ways in, and both end the same way: the rules of Hong Kong installed in a database you own.
Run it yourself
Free, for ever. One command on your own Supabase project applies the schema, installs the Hong Kong pack and creates your first company. Nothing is gated.
npx ekwo-os init --country HKIt asks for the rest as it goes: the connection to your project, the chart of accounts where there is a choice, your organisation and your first administrator.
Get started with us
Leave an address and we get back to you to set it up together — on your own project, or on the hosted edition, operated for you.
Step by step
The same path as text: every command with Hong Kong already on it, and the codes a first invoice is written with. An AI assistant helping you reads the same text as Markdown, at /countries/hk/set-up.md.
Ekwo OS is open source software for keeping double-entry books in a database you own. This page is generated from the Hong Kong pack, version 0.1.0; every code on it is read from the pack.
The Hong Kong pack is community: contributed, and reviewed by nobody.
Ekwo is software, not an accountant and not tax advice: a pack is a reading of the rules at the date of its version, and it can be wrong for your situation. Have a qualified professional in Hong Kong check your set-up and your first declarations. See what Ekwo is, and what it is not.
1. What you need
- A Supabase project of your own. The free plan is enough to start; Ekwo does not create it, pay for it or have access to it.
- From its dashboard: the connection string (Connect → Session pooler), the Project URL and the
service_rolekey (Project Settings → API). The key is used once, to create your first administrator, and is written nowhere. The anon (publishable) key, on the same page, is what you sign in with afterwards. - Node 20 or later on your machine. Nothing else: no Supabase CLI, no Docker, no clone.
2. Install
One command. It asks for the rest as it goes.
npx ekwo-os init --country HK
- One chart of accounts: Hong Kong reference chart of accounts, 104 accounts.
- The books are kept in
en. - A financial year follows the calendar unless you pass
--fiscal-year-start YYYY-MM-DD.
The same, with no question asked — every value your own:
npx ekwo-os init \
--country HK \
--db-url "postgresql://postgres.<ref>:<password>@<pooler host>:5432/postgres" \
--supabase-url "https://<ref>.supabase.co" \
--service-role-key "$SUPABASE_SERVICE_ROLE_KEY" \
--org "Your Organisation" --company "Your Company" \
--admin-email "you@example.com" \
--yes
3. Before you go live
Four settings of your project no installer can reach: turn off self sign-up, keep two administrators, keep the service_role key off every other machine, and read the disclaimer. init prints them; the installation guide explains each.
4. A first invoice
Sign in as the administrator you just created, pick the company, and write a draft. --dry-run shows the entry the database would write, and writes nothing; post books it.
ekwo login --supabase-url https://<ref>.supabase.co --anon-key <publishable key> --email you@example.com
ekwo use "Your Company"
ekwo contact add "First Customer" --country HK --ref customer-1
ekwo doc new --contact "First Customer" --ref invoice-1 --line "name=Consulting,price=1000.00,account=4000"
ekwo post invoice-1 --dry-run
ekwo post invoice-1
A line names its account and its tax by code, never by rate. 4000 is the account the pack names for sales; the chart may carry a closer one for what you sell — services, a reduced rate — and list_accounts lists them.
What the invoice says about your company — its address, its VAT number — comes from the company’s profile, which the MCP tool update_company_profile fills; ekwo init sets only the name.
The pack carries no domestic sale tax, so a line names no tax.
5. With an AI assistant
The MCP server lets an assistant keep the books as you, under your own row level security, and never with the service_role key. Configuring it, and what an assistant must and must not do.
What the Hong Kong pack carries
- Charts of accounts: Hong Kong reference chart of accounts (104).
- 2 taxes, at 0 %.
- Financial statements: Statement of financial position, Income statement.
What it does not do
- Nothing is sent to an administration, a Peppol network or a bank by the open source software: transmission is yours, or an operator’s you appoint.
- What the pack leaves out on purpose is in its README.