成立至今 英文

the well established organisation.

is set up today

成立至今- 有上文下理才可以譯得恰當
例如

We have been doing business with Company ABC since our company incorporated in year xxxxxx.

我們和ABC公司由公司成立至今, 仍然有生意來往o

公司 "成立至今"的英文如何寫? (不知道於何時成立, 也不知年份...)
Our company was found by Mr.xxxx and has still to continue today.

"....since the establishment of the company."

Or

"Since establishment of the company, ..."

Or

"Since the company was founded, ..."

it really depends on the context.

Since the establishment of the company,...
From the establishment of the company to now,...

From the date of incorporation

The company has now been established for a long time e.g. 10 years .

since incorporation

Since Company commence business on