The UK has visa-free (or visa-on-arrival) arrangements with many countries. More information on visas and to check whether or not you need to apply can be found on the United Kingdom Visa and Immigration (UKVI) website.
If you require a visa, please send the following information to firstname.lastname@example.org
Full name (as shown on passport)
Organisation full address
Date of Birth (dd/mm/yyyy)
Abstract title and number.