Rangers Football Club are the most domestically successful football team in the world
chealsea
Linfield Football Club would be considered the most successful club in Northern Ireland.
Manchester United
Manchester united
Celtic FC
Al-Ahly is the best and most successful Football club in Africa and Egypt.
Glasgow Rangers Football Club
Italy
Liverpool, Arsenal and Manchester United are all wildly successful.
it is Liverpool
FC Porto is a very popular and successful football club. The FC Porto football club plays specifically in Portugal. The FC Porto club was founded in the year of 1983.