Congratulations !!!
Yes, there r other companies which offers better salary and facilities.

Anyhow, u have to chose urself, whichever fits well.

I have an idea, get your family for few weeks and make their Resident permit and send them back if due to some reason they cannot stay in Qatar. But get them to Qatar before completion of 180 days or 6 months. Else the visa might cancel.

C u soon in Doha.....

Regards,

Sameer