Changelog

Material changes to the data and the site, in date order. Corrections are recorded here rather than made quietly.

Last verified 22 July 2026

The methodology commits to fixing errors in the open. This is where that happens. Data is next scheduled for review on 22 October 2026; corrections raised through the correction form are handled as they arrive and logged here.

3 September 2026 · correction-policy

Added a public correction form, a downloadable versioned dataset (CSV/JSON), source links on every cost and jurisdiction row, and this changelog. Every cost and jurisdiction source URL was checked live.

22 July 2026 · launch

Published the initial cost index (130 figures from 19 providers) and the 10-regime jurisdiction matrix, with the methodology and commercial-relationship disclosure.