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Trades · built for New Zealand

assembl OS for trades.

For builders and trades in Aotearoa: quotes from your own rates with GST done properly, residential disclosure, Construction Contracts Act payment claims on the right day, records of work and site safety. Every draft waits for your tap.

Experimental · the working tools run on your own numbers; the public version shows an Example builderExampleSimulatedDraft

The shell

Try it on the Example. Nothing here is real.

This is trades OS running on Totara Ridge Builders, a fictional business. Move between the tabs with the arrow keys, and approve a draft to see what changes. Nothing is sent.

assembl OS for trades

Experimental · the working tools run on your own numbers; the public version shows an Example builder

ExampleTotara Ridge Builders · Fictional, Hamilton. A residential builder with two crews doing renovations, decks and small extensions. Every record here is simulated: no real business, people or data.

Today

Simulated

What needs you today: drafts awaiting approval, dates coming up and what the team did overnight.

Waiting for you

3drafts need your yes

In draft

2being prepared by the team

Specialists

3Kaupapa · Ārai · Records

Official sources

28last checked 2026-11-08

The business, as the team sees it

Totara Ridge Builders

Example · illustrative model
  • KaupapaProjects, quotes and payment claims
  • ĀraiSite safety
  • RecordsLicensing and records of work

Agent team · in the Example

Who is doing what.

  • KaupapaWaiting for you

    Projects, quotes and payment claims · Level 2 · Draft

    NowPayment claim 3 for the Example deck and pergola is ready to serve

    Reads 5 official sources

    Ask Kaupapa
  • ĀraiWaiting for you

    Site safety · Level 2 · Draft

    NowTrench controls need a stronger measure than a phone call

    Reads 5 official sources

    Ask Ārai
  • RecordsDrafting

    Licensing and records of work · Level 2 · Draft

    NowRecord of work owed for the framing on the Example Ridge Road extension

    Reads 7 official sources

    Ask Records

Waiting for a person · 3

Drafts for your call.

Trace · every step

What the team just did.

  1. Read

    Kaupapa Construction Contracts Act 2002

  2. Drafted

    Records Record of work owed for the framing on the Example Ridge Road extension

  3. Read

    Records Records of Work

  4. Waiting

    Ārai Trench controls need a stronger measure than a phone call

  5. Drafted

    Ārai Toolbox talk for Monday: roofing on the Example extension

  6. Read

    Ārai Health and Safety at Work (General Risk and Workplace Management) Regulations 2016

  7. Waiting

    Kaupapa Checklist and disclosure statement for the Example kitchen renovation

Built from the Example’s own tasks and the official sources each specialist cites. Simulated timing.

What this OS does

Live · read live from ird.govt.nz; never filled in from memory

GST and PAYE dates

The next GST, PAYE and provisional tax dates, read from Inland Revenue’s own pages when you open it.

Reading Inland Revenue’s date pages…

Read from: Filing GST (opens in a new tab) (Inland Revenue, checked 8 Nov 2026); Payday filing (opens in a new tab) (Inland Revenue, checked 8 Nov 2026); Payment dates for provisional tax (opens in a new tab) (Inland Revenue, checked 8 Nov 2026)

The pack

What this OS adds for your industry.

Each module shows what it can do today. Proposed means designed, not built.

Live · read live from ird.govt.nz; never filled in from memory

GST and PAYE dates

The next GST, PAYE and provisional tax dates, read from Inland Revenue’s own pages when you open it.

Your own dates depend on your balance date and filing frequency. Check myIR.

Official sources

Experimental · works on the rates you enter; kept in this browserDraft

Quote builder

Line items at your own rates, a margin you choose and GST at 15% on the whole, as a draft you check before it goes out.

assembl never fills in a rate. A line without your rate stays unpriced.

Run by Kaupapa

Official sources

Proposed · a reference build in the assembl Lab uses a fictional house

Plan to quote

From a house plan to measured quantities you confirm, feeding the quote builder.

Every quantity is confirmed by a person before it is priced.

Experimental · checklist kept in this browserDraft

Residential building disclosure

Tells you when a residential job needs a written contract, the prescribed checklist and the disclosure statement, and keeps the checklist.

Guidance, not legal advice. The threshold was read on building.govt.nz on 8 November 2026; check the page before you rely on it.

Run by Kaupapa

Official sources

Experimental · working days known for 2026 and 2027Draft

Payment claims and retentions

Drafts a Construction Contracts Act payment claim with what section 20 requires, and tracks the due date and payment schedule deadline in working days.

Guidance, not legal advice. Attach Form 1 exactly as prescribed. You serve the claim, not the OS.

Run by Kaupapa

Official sources

Live · reads the public GETS feed when you open it

Public tenders

Open building and maintenance tenders from the Government Electronic Tenders Service, read live, for you to sift.

A list of public notices, not a recommendation to bid.

Official sources

Experimental · reminders kept in this browser; the register link is liveDraft

Records of work and LBP checks

Reminds you which records of work you owe for restricted building work, links the public LBP register, and drafts document reminders for subbies.

This OS never says someone is licensed. Check the register yourself.

Run by Records

Official sources

Experimental · register kept in this browserExampleDraft

Site safety with Ārai

A hazard register that follows the hierarchy of controls, with toolbox talk and safe work method statement drafts from it.

A planning aid, not a safety assessment. It never says a site is safe.

Run by Ārai

Experimental · a free tool

Healthy homes, trades version

For heating, insulation, ventilation, moisture and draught work on rentals: the free check, in its trades version, and the official standards.

Fed by Healthy homes check

Official sources

Experimental

People

Employment agreement drafts, leave questions and process steps with Aroha, each citing the official page it used.

Information and drafts, not legal advice. Provided by the People module (lib/people/module.ts).

Fed by Holiday pay check

The Workforce

Specialist agents, grounded in official sources.

Workforce is the agent team inside the OS. Each specialist reads official New Zealand pages live, cites the source and date for every claim and fact-checks its own draft. Drafts are not legal advice.

ExperimentalLevel 2 · Draft

Kaupapa Projects, quotes and payment claims

Turns your rates into a draft quote, flags residential disclosure, and drafts payment claims with the right dates. Reads the Act and the regulations live.

Te reo Māori name, awaiting fluent-speaker review.

Skills: Quote builder, Residential building disclosure, Payment claims and retentions

Drafts only. It cites the source and date for every claim, and nothing is sent without your yes. Not legal advice.

Official sources

ExperimentalLevel 2 · Draft

Ārai Site safety

Keeps the hazard register in the order the regulations set, and drafts toolbox talks and method statements for the crew to sign.

Te reo Māori name, awaiting fluent-speaker review.

Skills: Site safety

Drafts only. It cites the source and date for every claim, and nothing is sent without your yes. Not legal advice.

ExperimentalLevel 2 · Draft

Records Licensing and records of work

Tracks the records of work you owe, points you to the public registers, and explains where plumbing, gas and electrical work have their own rules.

Skills: Records of work and LBP checks

Drafts only. It cites the source and date for every claim, and nothing is sent without your yes. Not legal advice.

Official sources

Official New Zealand sources this OS cites

Price

What it would cost when it opens.

Workforce plan

NZ$20 a month

or NZ$200 a year (2 months free)

Proposed · waitlist only

Modules for this OS

  • Industry packs

    +NZ$20 a month

    Extra skills and sources for one industry. Architecture first: a consent pre-check by Building Code clause.

    Proposed

  • Trades plan-to-quote

    Coming later

    From a house plan to a takeoff and a draft quote, with a person checking every number.

    Proposed

  • NZ compliance skills

    +NZ$10 a month

    Flags what to check in your drafts against the Privacy Act 2020, the Consumer Guarantees Act, food control plans and the Building Act and LBP rules.

    Draft · guidance, not legal advice

  • HR (Aroha)

    +NZ$10 a month

    Drafts employment agreements, leave answers and process steps under New Zealand employment law, for your review.

    Draft

New Zealand dollars, including GST. This plan is on a waitlist only: nothing monthly can be bought yet. Any 3 modules: pay for 2. The cheapest of every three priced modules you pick is free. (Proposed)

What the labels on this page mean

Example
A fictional business. No real client data.
Simulated
The screen works on fictional data only.
Draft
Written by an agent for a person to check. Not advice.