You punctuate it properly and say you're welcome.
English is the main language spoken in the United Kingdom, so you would just say "Welcome".
Vítejte v Anglii.
Bienvenue en Angleterre !
Seja bem-vindo à Inglaterra !
Welcome to England was created on 2009-04-14.
you say welcome aboard I don't know why but that seems to be the case
In Konkani, you say "svoagat" to welcome someone.
How do you say you’re welcome in Apache
歡迎來到英國. (Huānyíng laídào Yīngguó).
To say "welcome" in Tlingit, you can say "Yak'Êi."
To say "you are welcome" in Kurdish, you can say "khosh amadi."
welcome
welcome