Best quoting & invoicing apps for UK plumbers and gas engineers (2026)
Lighter tools for sending quotes and invoices and chasing payment, without a full job-management system.
Quick answer: The lowest paid starting price we verified is Traddie (from £9.99/mo). Free plans: Zoho Invoice. Cheapest isn't always best. Check the points below before you pick.
Side by side
| Tool | Starting price | Free trial | Suits | Checked |
|---|---|---|---|---|
| Zoho Invoice | Free plan | Not needed (free) | sole trader | 20 Oct 2026 |
| Traddie | from £9.99/mo | 14 days | sole trader, small firm | 20 Oct 2026 |
| YourTradebase | from £29/mo | 30 days, no card | sole trader, small firm | 20 Oct 2026 |
How to choose
- Look for automatic payment reminders.
- Check card or bank payment links on invoices.
- Free tools are fine if you only send a few invoices a month.
Good starting points for sole traders
- Zoho Invoice: Free plan. Free VAT invoice maker.
- Traddie: from £9.99/mo. Quotes and invoices.
- YourTradebase: from £29/mo. Quotes, invoices and job sheets.
Prices are as shown on each vendor's own pricing page on the date in the table, usually excluding VAT. "Price on vendor's site" means the vendor doesn't publish a price or we couldn't confirm one, so we don't show a figure. Spotted a change? Report it.
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