Sources and methodology

Last reviewed 26 October 2026

Where the facts come from

I use primary sources first. The main ones:

How I check and date information

How often the guides are updated

All articles are reviewed at least once a quarter, and immediately after the government changes the rules. I watch three topics most closely: the investment amounts, the visit requirements and processing times.

Corrections

If you find an error, please tell us through the contact page. Corrections are made and the update date is changed.