- In consulting, time captured is revenue — time forgotten is revenue lost forever.
- Billing must handle retainer, time-and-material and fixed-fee, plus expenses.
- Realisation (billed vs worked time) is the number that reveals hidden leakage.
A consulting firm's inventory is time, and unlike physical stock, unrecorded time can never be recovered. Yet most firms lose billable hours daily to weak timesheet habits and month-end guesswork. Timesheet and billing software makes capture effortless and turns it into accurate invoices — while revealing the realisation gap most firms don't even know they have.
Why time and billing leak in consulting
When consultants reconstruct their week from memory, small tasks vanish and estimates run conservative. Add complex billing — retainers here, T&M there, a fixed-fee project running over — and invoicing becomes error-prone. Every gap is margin lost.
What the software handles
- Fast timesheets against clients, projects and tasks
- Billable vs non-billable classification
- Retainer, time-and-material and fixed-fee billing
- Expenses, disbursements and GST invoicing
- Realisation and utilisation reporting
- Receivables, ageing and consultant productivity
Utilisation shows how busy people are; realisation shows how much of that work actually got billed and paid. Watching realisation is how consulting firms find money they didn't know they were losing.
Built around your billing models
Every consulting firm blends billing models differently. Wizix builds timesheet and billing tailored to yours — rate cards, retainers, fixed fees and expenses — with the realisation and receivables reports partners need.
Can it bill retainers and T&M on the same client?
Yes — mixed billing arrangements per client or project are supported, with clean invoicing for each.
Does it show realisation, not just utilisation?
Yes, both are reported, so you see the gap between time worked and time actually billed and collected.
See effortless timesheets and accurate billing on your own models — book a free Wizix demo.
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