Skip to content
Trades Growth Calculator

What does it really take to scale your trades business?

Map your path from 5 to 20+ staff and see the back-office and admin load that grows with your team — where the scaling wall hits, what changes at each milestone, and how ready you are across finance, people and operations.

Takes ~2 minutes · Your figures stay in your browser until you choose to share them

Growth Roadmap

Your 5 → 20+ staff path

The Scaling Wall

Where admin outpaces revenue

What Changes

Obligations as you grow

Scaling Readiness

Finance, people, ops

About this tool

Trades Growth Calculator

Growing a trades business past a handful of staff is where many owners feel the back office start to bite. The work is there, the team is expanding, but the admin behind it — payroll, bookkeeping, award compliance, workers comp, WHS paperwork, hiring — grows faster than the revenue that would justify a proper back office. You end up doing more of it yourself at night, or bolting on a patchwork of separate providers, right when your time is worth most on the tools or winning work. The Trades Growth Calculator maps that scaling journey from a small team through to a larger one, so you can see where the pressure builds before it hits.

How it works

You enter a few figures about your business today — your trade, current headcount, annual revenue, your hourly charge-out rate, and the hours a week you spend on admin — then set a target team size for the next two years and note whether you're adding new service lines or locations. From that, the tool plots the staffing milestones your inputs imply (the points where owners typically need a bookkeeper, then dedicated admin, then a genuine back-office function), estimates the billable time you're losing to admin each year based on your own rate and hours, and projects how that admin load grows as the team scales. It flags what changes at your target size — the obligations that step up with headcount, such as payroll tax, workers compensation, award and superannuation compliance, and WHS documentation — and scores your readiness across finance, people and operations from a checklist of what you already have in place. It also lays out illustrative ways to cover the back office (doing it yourself, hiring internally, fragmented outsourcing, or an integrated partner) for context — all figures are rough scenarios you enter or that scale from your inputs, never quotes.

Who it’s for

Owners of Australian trades and construction businesses — electricians, plumbers, builders, and similar — planning to grow their team and wanting to see the back-office load that comes with it.

  • Many trades businesses hit a scaling wall where admin load grows faster than revenue can justify a full internal back-office team; the tool maps where that pressure builds for your own numbers.
  • The tool values the billable time you personally lose to admin using your own charge-out rate and hours, then projects how that load climbs as you add staff.
  • Growth changes your obligations, not just your headcount: payroll tax, workers compensation, award compliance, super, and WHS documentation all step up as the team gets bigger.

Frequently asked questions

At what point do I actually need to bring in back-office help?

There's no single number, and the tool doesn't pretend there is — it maps the common milestones from your own inputs: past a handful of staff you typically need a bookkeeper, a bit further on dedicated admin, and further along a genuine back-office function. The more useful signal is your own readiness score and the billable hours you're losing — if you're personally spending significant time each week on admin instead of work that pays your rate, the case for support is already building well before any headcount 'rule of thumb' says so.

What new compliance obligations kick in as I grow the team?

As headcount rises, several obligations scale with you — payroll tax (which depends on your state or territory's current threshold and rate), workers compensation premiums that track your payroll, Modern Award compliance that gets more complex with more staff and classifications, superannuation guarantee for every employee, quarterly BAS and GST, and expanding WHS documentation. Adding new service lines or locations can bring further licensing and compliance on top. The tool lists the ones relevant to your target size; the specific figures change over time, so always confirm current rates with the ATO, Fair Work, and your state regulator.

How is the 'lost billable time' figure worked out?

It takes the admin hours per week you enter, annualises them across the year, and multiplies by your hourly charge-out rate — a plain estimate of the revenue you're forgoing by doing admin instead of billable work. The projected figure at your target size scales that load up in proportion to your headcount growth. Both are indicative and use your own inputs, not benchmarks or quotes, so they're a directional guide rather than a precise forecast.