Your most complex invoice, ready in thirty seconds.

Fixed fees by progress, hourly work, retainers, reimbursables and consultant bills, assembled from the month's work.

  1. The workbench
  2. The invoice
  3. Progress schedule
The workbench

Invoices take minutes, not hours.

Fixed fees billed by progress, hourly work at each person's rate, monthly retainers, reimbursable expenses and purchases with markup, consultant bills passed through, and sales tax where it applies, all on one invoice. For a fixed-fee phase you type the percent complete this period and the amount is computed against the phase fee. The rest fills in from the timesheets and the bills you attached, and the total updates as you go.

Foster & Lamb HQ Refresh · August 2026
Step 2 of 3 · Invoice workbench
✓Draft up to date
Fixed fee · billed by progress$5,600.00
PhaseProgress this period%Amount
Test FitsPhase fee $35,000.0012%$4,200.00
Design DevelopmentPhase fee $28,000.005%$1,400.00
Hourly · Workplace Study23.00 h
Project Manager12.00$195$2,340.00
Designer11.00$150$1,650.00
Consultant services2 bills attached
Alder & Finch Structural · AF-2307$3,237.50+10%$3,561.25
Northwind MEP · NW-5518$2,465.00+10%$2,711.50
Invoice total
Fixed fee$5,600.00
Hourly$3,990.00
Consultants$6,272.75
Total due$15,862.75
Work logFull detail
Consultant bills2 PDFs attached
Handles all of itEvery way a design firm bills, on one invoice.
  • Progress-billed phases
  • Hourly phases
  • Monthly retainers
  • Deposits
  • Subconsultant invoices
  • Purchases
  • Expenses
  • Markups
The invoice

Beautiful and simple.

Your client gets one tidy email: the invoice as a clean PDF, with the work log, the expense report with its receipts, and the consultant bills attached behind it, so nobody has to ask what a line means. When the client pays, the payment lands in their history, and QuickBooks gets the invoice and the payment without anyone re-typing them.

Amount due$21,021.28
Due Oct 29, 2026 · Net 30
InvoiceDB-1030ClientFoster & Lamb PublishingProjectFoster & Lamb HQ RefreshPeriodAugust 2026
DescriptionQtyRateAmount
Fixed fee
Test Fits — progress 44% → 56%12%$35,000.00$4,200.00
Hourly services
Workplace Study · Project Manager12.00$195.00$2,340.00
Workplace Study · Designer11.00$150.00$1,650.00
Retainer
Move coordination · August1$3,500.00$3,500.00
Reimbursables & purchases
Expenses, 6 receipts (+10%)$321.30
Sample boards (+20%, tax 4.5%)$256.61
Consultants
Alder & Finch Structural · AF-2307 (+10%)$3,561.25
Juniper Row Lighting · JR-118 (+10%)$1,320.00
AttachedExpense report · 6 receiptsSample boards receipt2 consultant billsWork log
Progress schedule

A project progress report, in one click.

Every invoice can carry a progress schedule, generated in a click: each fixed-fee phase with its contract fee, what was billed before, what this invoice bills, billed to date and what remains, and the same for hourly services against their budgets. Every row ties, so the client sees where the project stands, not just what this month costs.

Big Dreams Inc.Progress scheduleFoster & Lamb HQ Refresh · Foster & Lamb Publishing
Attachment to invoice DB-1030Services through Aug 31, 2026
Fixed-fee phases
PhasePhase feePreviously billedThis invoiceBilled to dateRemaining
Programming$21,000.00$21,000.00100%—$21,000.00100%$0.00
Test Fits$35,000.00$15,400.0044%$4,200.0044% → 56%$19,600.0056%$15,400.00
Design Development$28,000.00$5,600.0020%$1,400.0020% → 25%$7,000.0025%$21,000.00
Construction Administration$16,500.00$0.000%—$0.000%$16,500.00
Fixed-fee phases$100,500.00$42,000.00$5,600.00$47,600.0047%$52,900.00
Hourly services
ServiceBudgetPreviously billedThis invoiceBilled to dateRemaining
Workplace Study$24,000.00$5,730.0035.50 h$3,990.0023.00 h$9,720.0058.50 h · 40%$14,280.00
Every row ties: phase fee − billed to date = remaining.
Tania Chau
“Decent Billing has transformed our invoicing process! Instead of dealing with multiple spreadsheets and tools, we now have everything accessible and integrated in one place, saving us 10–15 hours a month.”
Tania Chau · Principal, ALA Studio

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