For sole-trader and small plumbing businesses · VAT fields on invoices

Job Management Software for Plumbers

Every call-out, quote and visit on one job.

Job management software for plumbers should answer three questions quickly: where is the job, what did you quote, and has it been billed? Create the job from the first call with the customer, property and fault. Quote the repair, book the visit, then raise the invoice from the same record, with your VAT number and rate when you are VAT-registered.

Already have an account? Open Jobs

InvoiceSonic Jobs Next up view with fictional enquiries, scheduled work and a job ready to invoice
Actual Jobs interface · fictional sample data

Inside the Jobs workspace

See the leak to quote and the job to bill.

Next up puts follow-ups that are due, booked visits and finished work waiting for an invoice in one short list. Open a job to see the customer, address, notes and linked quote.

  1. 01

    Log the call

    Add the job name and customer. The address, fault and access notes can follow.

  2. 02

    Quote and book

    Send a quote the customer can accept online, then set the visit time on the job.

  3. 03

    Bill the finished work

    Create the invoice from the job so the customer and site are already attached.

Product walkthrough

Watch a job go from enquiry to ready-to-invoice

This 18-second recording uses fictional sample data: a job is added, given a visit time and surfaced when it is ready to invoice.

Demo data · no sound · play when you are ready

Built around the plumbing job

One record per call-out

Keep the customer, property, reported fault and access notes on the job, so you are not searching messages before the visit.

Quotes customers can accept

Send a quote linked to the job. The customer can accept or decline it from the link, and the response is recorded.

Book the visit

Set the appointment on the job and check the day-by-day Schedule view before you leave.

Status at a glance

Move each job through enquiry, quoted, scheduled, in progress, completed and invoiced.

VAT invoices

Add your VAT number and apply VAT when you are registered. Itemise labour, parts and call-out charges clearly.

Know what is owed

Track each invoice through sent, viewed and paid, and record how the customer paid.

How it works

  1. 1

    Create the job

    Enter the customer and job name from the first call. Add the property and fault details.

  2. 2

    Quote and schedule

    Send the quote, and once it is accepted, book the visit on the same job.

  3. 3

    Invoice and close

    After the work, create the invoice from the job and track the balance until it is paid.

From dripping radiator valve to paid invoice

A typical small plumbing job, kept on one record from the first call.

Call
Record the customer, address and leaking radiator valve as a new job.
Quote
Quote the valve replacement and drain-down. The customer accepts from the link.
Visit
Book Thursday at 9:00 and add the parking note to the job.
Invoice
Invoice labour and parts, add VAT if registered, and track the payment.

Takeaway: InvoiceSonic does not issue Gas Safe or other compliance certificates. Keep those in the system your registration body requires.

How to choose job management software for plumbers

Most plumbing software round-ups rank tools built for firms with a dispatcher. If you work alone or with an apprentice, judge each option on the work you actually do in a week.

Call-outs you can log in seconds

Emergency calls arrive while you are under a sink. If adding a job takes more than a customer name and an address, it will not get used.

Quotes the customer can accept without a phone call

Boiler swaps and bathroom work are quoted first. Online acceptance saves a chasing call and gives you a recorded yes before you order parts.

VAT handled on the invoice

If you are VAT-registered, the invoice needs your VAT number and the right rate. If you are not registered, it should not add VAT at all.

Pricing that suits one person

Some tools charge per user, others by jobs per month, others a flat fee. Work out what you would pay at your real job volume, not the headline price.

Certificates kept in the right place

Gas Safe records and other certificates usually live in dedicated certification software. Use job management software for the job, quote and invoice, and keep certificates where your scheme expects them.

InvoiceSonic vs ServiceM8, Tradify and Fergus

An honest comparison for a one- or two-person plumbing business. The other three are strong choices if you run a team.

InvoiceSonicServiceM8TradifyFergus
How you payFree plan; one flat Pro price, not per userFree plan (30 jobs a month); paid plans priced by jobs per monthPer user, per monthPer account, plus timesheet users
Quotes customers accept onlineYesYesYesYes
Job schedulingYes, day-by-day scheduleYesYesYes
Staff accounts and dispatchNo (assignee label only)Paid plansYesYes
Online booking for customersNoYesYesNot listed
Customer portalShare links for each quote and invoiceYesYesYes
TimesheetsNoNot listedPro plan and aboveYes
Best forSole traders who want quotes, a simple diary and invoicesSmall teams that want booking and dispatch, priced by job volumeTrade teams that track each person's timeTrade businesses running staff and timesheets

Choose InvoiceSonic if you mainly need call-outs, quotes, a simple diary and VAT invoices for yourself. Choose ServiceM8, Tradify or Fergus if you dispatch engineers, want customers to book online or need timesheets.

Competitor details are from each vendor's public pricing page for your country, checked 2–3 October 2026. Plans and prices change, so confirm on the vendor's site before you decide.

Put the next call-out on a job

Add the customer and the fault, then quote and book it.

Start with Jobs

Frequently asked questions

Is this job management software suitable for a one-person plumbing business?

Yes. It is built for sole traders and small firms: a job needs only a name and a customer to start, and the quote, appointment and invoice attach to it as the work progresses.

Does it handle VAT?

Yes. Set your business country to the United Kingdom to add your VAT number and apply VAT on invoices when you are VAT-registered.

Can customers accept a quote online?

Yes. A shared quote has accept and decline buttons, and the customer's response is recorded on the quote.

Can I dispatch engineers or issue gas safety certificates?

No. Jobs can store an assignee label but has no staff accounts or dispatch notifications, and it does not produce Gas Safe records or other certificates.