My www.manyora.co.za would like to move to jomsocial4 from joomla2.5.Please introduced me with some of people who could help me to pimp my jomsocial site.Prepared to pay for the services.

Hi,

I you can do it by self in easily, here the doc:
documentation.jomsocial.com/wiki/Updatin...d_JomSocial_Versions
documentation.jomsocial.com/wiki/Upgrade..._3.0.x_on_Joomla_2.5

but you need to have active license do access that doc.

Regards