ZOHO for TMSH

Currently, we are using on "old" CRM package "Perfectview". I would like to use ZOHO instead for our CRM and all aour other processes, for example using "Fleet Hub" for the annual safety checks. The projject consists of the following stages: Customisation of CRM, integration of VOIP, Managing Sales & project management, Linking "Fleet hub". We are looking for an experienced partner, who is able to advise and guide us through this proces.