non-partisan 
adjective
Not biased or partisan, especially towards any particular political group: senior civil servants are non-partisan and serve ministers loyally irrespective of politics...
- Some bloggers want to be perceived as non-partisan and so might not take money for helping a political party.
- My own belief in non-partisan politics is not the musing of an idealist, but the tormented cry of a desperate man.
- Unity is a very strong factor and key to success for any organisation whether a political or a non-partisan entity.
