47%

of trade invoices are sent more than 7 days after job completion — and every day of delay stretches your cash cycle.

Monday morning. You finish a job that took three days. The customer is happy. You pack up, head to the next site, and tell yourself you’ll invoice tonight.

Friday rolls around. The invoice still hasn’t gone out. Now it’s the weekend. Monday the customer gets it — nine days after the work was done. By the time they pay, you’re looking at a four-week gap between doing the work and seeing the cash.

This isn’t laziness. It’s a broken system. And it’s costing you more than you think.

“Every week you delay invoicing is a week you’re funding your client’s cash flow — for free.”

The Real Reason Invoices Are Late

In our experience working with trade businesses across New Zealand, late invoicing almost never comes down to a lazy owner or forgetful admin. It’s a workflow problem disguised as a people problem.

There are three root causes we see again and again:

The invoicing flow — where tradies get stuck

Job done

Work completed on site

× No trigger

No system auto-creates invoice

× Data scattered

Materials, hours, variations to find

× No owner

“I’ll do it later” — nobody does

Invoice sent

7+ days later (or never)

The gap between “job done” and “invoice sent” is where cash disappears. Every day that gap widens, your business is quietly funding the work you’ve already done — without being paid for it.

What delayed invoicing costs you

$5,000 average job

1 day delay

5 jobs per week

$25,000 tied up

7-day invoicing gap

$175,000 in WIP

That’s $175,000 of work you’ve already done but haven’t been paid for. With a proper system, you could reduce that gap to 24 hours — freeing up cash without doing an extra hour of work.

The 3 Systems That Fix It Forever

Every tradie business that gets invoicing right uses the same three systems. Not complicated software. Not expensive tools. Just clear, repeatable workflows that remove the friction between job completion and getting paid.

Here’s what they look like in practice:

Completion Trigger

When a job status changes to “complete,” a draft invoice is created automatically. No remembering. No “I’ll do it later.” The system fires, and the invoice exists.

Pre-Approved Rates & Variations

Every job has a clear price before work starts. Variations get approved in writing before they’re done. No “what do I charge for this?” delays at invoice time.

Weekly Invoice Run

Same time every week. One person reviews, one person sends. No exceptions. A fixed cadence creates accountability — and a predictable cash flow rhythm.

Before vs. After: The System Difference

Here’s what the same workflow looks like with and without these three systems in place:

Without the system

Invoices sent 7–14 days after job completion
Variations chased up after the fact
No idea which jobs are unbilled
Cash flow feels random and reactive
Owner chases payments manually

With the system

Invoices sent within 24 hours every time
Variations pre-approved, no delays
Real-time view of all unbilled work
Cash flow is predictable and controlled
Collection sequence runs on autopilot

Your Invoicing System Checklist

Use this to score your current setup:

✓

Trigger set — job completion auto-generates a draft invoice

✓

Rates locked — every job has a pre-agreed price or rate card

✓

Cadence fixed — same day every week for review and sending

✓

Owner assigned — one person owns the weekly run, no ambiguity

✓

Collection sequence — automated reminders, escalation, follow-up

How TradieHQ Fits In

At TradieHQ, we don’t just “process your invoices.” We build the entire system around your business — from the software triggers to the weekly run to the collection sequence that follows up automatically.

We connect your job management tool (Fergus, Xero, SimPRO, or even a whiteboard) to a predictable invoicing workflow. Your team does the work. We make sure the invoice goes out — on time, every time.

The result? Faster payment, clearer cash flow visibility, and a business that runs on systems instead of owner attention.

And because our model is variable cost, you pay based on your invoice volume — not a full-time hire sitting idle half the month.

Free Invoicing & Collection Audit

We’ll review your current invoicing flow, identify the leaks, and show you exactly how much faster you could be getting paid. No obligation.

Claim your free audit →

monthly numbers that tell you whether the business is healthy, profitable and cash-positive.

Most tradies can tell you how busy they are. The better question is whether that busyness is actually turning into profit.

These seven numbers are the ones every New Zealand trade business should check once a month. They are not glamorous, but they are the best early warning system for cash flow trouble, shrinking margins and work that is costing more than it earns.

Revenue

Revenue shows how much work your business has converted into invoices. It is the base of everything, but it is only useful when paired with the next numbers.

If revenue is rising but profits are flat or falling, the business is probably growing in volume without growing in value.

Gross margin

Gross margin measures the money left after you pay direct costs such as materials, subcontractors and labour for the job. It is the clearest signal of whether your pricing and job costing are strong.

A tradie business can have decent revenue and still be weak if gross margin is too low. Tracking this every month means you can see the impact of material cost changes, subcontractor spend and pricing decisions quickly.

Labour recovery

Labour recovery shows whether the hours your team works are being recovered in invoices. This is often the number that separates busy but unprofitable businesses from ones that actually generate cash.

If your crew is spending time on work that is not fully billed, or if you're writing off hours regularly, the business is quietly losing money.

Work in progress

Work in progress (WIP) is the value of jobs that are started but not yet complete or invoiced. It is a vital measure of jobs that are still tied up in the business.

Too much WIP can mean you are carrying risk and cash tied up in unfinished work. Too little can mean you are not tracking jobs properly or that completed work is not being moved to invoicing fast enough.

Debtors

Debtors are the amounts customers owe you. This number is one of the biggest cash flow pressure points for tradie businesses.

High debtor balances usually mean invoices are not being chased, terms are too soft, or collection processes are weak. It is the difference between getting paid on time and funding other people’s credit.

Cash in bank

Cash in the bank is the number that matters most when it comes to survival and growth. Revenue, margin and debtors are important, but actual cash tells you whether you can pay wages, suppliers and tax.

When cash is low, the business is vulnerable even if the numbers on paper look okay. Healthy cash levels reduce stress and give you room to make better decisions.

Net profit

Net profit is the bottom line after all expenses have been accounted for. It shows whether the business is generating enough surplus to fund future investment, tax and owner drawings.

Tracking net profit monthly keeps the focus on real results, not just sales or activity.

"If you review the right seven numbers every month, you can spot the problem before it turns into a cash crisis."

These seven numbers are the backbone of a simple, effective monthly review. They keep the focus on cash, margin and the true profitability of the work you deliver.

Want a monthly dashboard that actually helps?

We help trade businesses turn these numbers into a reporting rhythm that drives better decisions and better cash flow.

Book a business review →

Why Your Invoices Go Out Late
— And the 3 Systems That Fix It Forever