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Invoicing for builders who need to bill before the job's finished

An extension or a conversion doesn't wait six weeks for one invoice at the end — you need cash moving while materials keep getting delivered and the job's still on site. Invok lets you invoice a stage without waiting for the whole build to wrap up.

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The problem

Waiting until completion to invoice starves the job of cash

A six-week build means six weeks of timber, plasterboard and skip hire going out before a penny comes in, if the only invoice is the one at the end. Landlords, letting agents and homeowners alike expect to pay as the work progresses — but splitting a job into stages by hand, from a notebook of site days, is where errors creep in.

How Invok helps

Invoice what's done, leave the rest logged and waiting

Log each day on site and each materials delivery against the job as it happens. When it's time for a stage payment, build an invoice from just the days and materials logged so far — everything else stays on the job, unbilled, ready for the next stage or the final invoice.

The workflow

How it works for builders

  1. 01

    Log the day

    Hours on site and today's materials delivery, added against the client before you leave — foundations, first fix, whatever stage it is.

  2. 02

    Watch the job add up

    Every logged day sits against the client, so you can see what a stage has cost without digging through a shoebox of receipts.

  3. 03

    Bill a stage, not the whole job

    Tick only what's logged so far and invoice it — the rest stays unbilled, ready for the next stage payment.

  4. 04

    Close it out on completion

    Once the last fix is done, tick whatever's left unbilled for one final invoice, VAT applied.

What you get

Built for how builders actually work

  • Log a day's labour and a materials delivery against the same job in seconds
  • Invoice a stage from only the jobs logged so far — the rest waits unbilled
  • Separate running records for several client sites at once
  • A live balance per client across every stage invoiced
  • Branded PDF invoices with your logo and payment terms

Get a stage paid without waiting for practical completion

Start on Free with no card — log a few days of a job and invoice a stage of it to see if it fits.

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Invok

The job book, client list and invoicing desk for people who’d rather be on site than at a desk.

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