Has been established or is established?
Has been established or is established? If you do mention WHEN it was founded, then you must use the Simple Past form "WAS". If you do not, though, you must use the Present Perfect tense "HAS BEEN", just as you did. It also sounds good as: "ABC Company has been established for more than ten years now." Is a company founded or established? Basically, "founded" refers to the start of something rather official, while "established" refers to the beginning of something that has remained, and something can be established over a longer period of time. How a company is established?...