suspension

hi, I have fitted new springs/struts/top mounting/also drop link arms, on my 2010 magane mk3, is there a there a left/ right fitting, since fitting these new parts the car is pulling to the nearside, I had the suspension parts assembled by a local garage to make sure it was put together correctly I also got the tracking done as I was told putting new suspension on altered the tracking and after all this the car is still pulling to one side. help!