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Card 385 of 9832026-09-12 issue

Observed arrival · 2026-09-12

Invoice Owed: a fail-closed calculator for overdue UK invoices

invoiceowed.com Observed source
Editorial interest 82/100 Selection signal · not a rating of the site

A UK business tool that checks overdue invoice data, calculates statutory interest and fixed sums, and prepares reminder letters.

Landing page captured for the 2026-09-12 issue.

Field notes

The workflow separates ledger validation from legal qualification: customer identity, invoice references, dates, balances, currencies, payment history, and contract conditions are checked before a claim enters the schedule. The page shows 12 qualified invoices alongside 4 blocked for review, with a sample total of £2,814.43. It also distinguishes marked minimums for partly paid invoices from exact figures that require dated payment reductions, and keeps sole-trader notices locked until extra facts are supplied.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
$PaidCommerce or pricing visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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invoiceowed.com

Landing page observed 2026-09-12. The live site may have changed.