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Cash FlowMarch 20268 min read

Invoice Software for NZ Electricians: Get Paid Faster in 2026

Late invoices mean late payments. And late payments mean cash flow problems — even when business is good. The right invoicing software turns your completed jobs into cash, faster.

Quick Answer

The best invoicing software for NZ electricians generates a compliant GST tax invoice directly from the job record — no re-entry, automatic GST, same-day sending, and built-in payment links. The result: faster payment, fewer errors, and no chasing.

8 days

Average invoicing lag

The gap between job completion and invoice issue for NZ trade businesses.

$65,000

Uninvoiced at any time

For an electrician billing $300k/year — completed work sitting uninvoiced.

2–3x faster

With a payment link

Invoices that include a card payment link get paid significantly faster.

Why Manual Invoicing is Killing Your Cash Flow

If you're still creating invoices manually — in Word, Excel, or by hand — you're probably experiencing all of these:

Invoicing lagJobs completed Monday, invoice sent Friday (if you remember)

ErrorsWrong hours, missing materials, incorrect GST calculation

Lost workSmall items never make it onto the invoice

No trackingYou don't know which invoices are overdue until a supplier calls

Double handlingRe-entering job data you already captured in the field

At $300,000 annual revenue, each day an invoice sits unsent costs roughly $820 in working capital — an interest-free loan to your customer.

NZ Legal Requirements

What Must Appear on a GST Invoice

If you're GST-registered (required over $60,000/year), your invoices must be tax invoices meeting IRD requirements. Your software should produce these automatically — you shouldn't need to remember the rules every time.

Required ElementExample
The words "Tax Invoice"In the document title
Your business nameSmith Electrical Ltd
Your GST numberGST No: 123-456-789
Invoice date15 March 2026
Description of goods/servicesInstall 3x GPOs and lighting circuit, 23 Smith St
GST amount (or statement it's included)GST: $175.00
Total amount payableTotal: $1,175.00 (incl GST)
Recipient's name (invoices over $1,000)Jane Wilson

For invoices under $200, a simplified version is allowed. For invoices over $1,000, the buyer's name and address are also required.

Software Features

What to Look for in Electrician Invoicing Software

Six capabilities that separate purpose-built tools from basic invoicing apps

Job-to-Invoice Conversion

Field electrician records time and materials on-site, you click one button, and the invoice is generated with all that data populated. No re-entry, no missed items.

Automatic GST Calculation

Software calculates GST automatically — whether displaying ex-GST or inclusive — and clearly shows the GST amount on every invoice, not just the total.

Payment Options

Look for credit/debit card support (Stripe), prominently displayed bank account details, and automatic payment confirmation when funds arrive.

Automatic Reminders

Good software sends automatic reminder emails at 7, 14, and 30 days overdue. Set it once — you shouldn't need to manually chase every late invoice.

Xero / MYOB Sync

Invoices flow automatically into your accounting software for GST returns. No double entry — invoices appear in Xero the moment you issue them.

Mobile Invoicing

Invoice immediately after completing a job — while you're still on-site or in the van. Same-day invoicing is the single biggest change you can make to cash flow.

Ready to invoice from the job site?

NZ-compliant tax invoices generated directly from completed jobs. No re-entry.

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Getting Paid Faster

Payment Terms That Actually Work

Deposits for New Customers

For jobs over $1,000 with customers you haven't worked with before, request a 20–30% deposit before starting. This filters out non-payers early and covers your materials costs.

Shorter Terms = Faster Actual Payment

Many NZ electricians default to 30-day terms because "that's what everyone does." The data tells a different story:

Payment TermsAverage Actual Payment Time
Payment on completionSame day (card payment)
7 days8–12 days
14 days15–20 days
30 days35–50 days

For residential: request payment on completion. For commercial: 14-day terms are reasonable. Only offer 30 days to established clients with a proven payment history.

State Your Terms Clearly

Payment terms buried in small print don't work. Put them prominently on every invoice and quote:

"Payment due within 7 days"State it explicitly — not just a due date
Bank account detailsMake it easy to pay by transfer
Card payment linkRemove all friction for immediate payment
Late Payment Process

Dealing with Late Payers

A structured follow-up process beats ad-hoc phone calls every time

Day 1

Invoice issued with payment link and bank details

Day 7

Automatic reminder email — friendly: "Just a reminder…"automated

Day 14

Second reminder email — firmer toneautomated

Day 21

Phone call from you or admin

Day 30

Final notice letter, reference to debt collection if not paid within 7 days

Day 37+

Refer to debt collection or Disputes Tribunal (claims under $30,000)

The Bottom Line

Invoicing isn't just admin — it's the last step between doing the work and actually getting paid. Electricians who invoice same-day, use short payment terms, and follow up systematically get paid significantly faster than those who don't.

The right software makes all of this automatic. You shouldn't need to think about it — just complete the job, hit send, and get paid.

Invoice Faster with TPT Electrician

TPT Electrician generates compliant NZ tax invoices directly from completed jobs — no re-entry, automatic GST, and one-click Xero sync. Send invoices from your phone while you're still in the van. Set up automatic payment reminders so you never have to chase late payments manually.