Our company was founded in 1960. 我公司始建于I960年。

A really long history. 历史很悠久啊。 

Our company is a European based international consultancy company.   我们是国际性的咨询公司，总部在欧洲。

Could you tell me about your company? 能跟我说说你们公司吗？

Our company is a European based international consultancy company.  我们是国际性的咨询公司，总部在欧洲。