Is it right to arrange a Jamah instead of attending the office mosque?

I work in a government office. In 1st floor we have a mosque for our office employers. This Imam is bidati person, like he says Ya Nabi Salamualika, he does Qiyam, he do not like tabligh Jamat etc. For that reason I do not go in our office mosque and I arrange a Jamah with my colleagues and others staff in our floor. Most of the staffs are not going to the mosque but when I arrange for jamah then they join us. My question is that whether it is right to arrange these Jamah or if I am wrong then what I need to do? Please suggest me.