Integration of existing crm, accounts, fleet management + more packaged systems to run our business

We need a software strategy and plan for our startup ... car storage, club cars on subscription and chauffeur service... We envisage using existing crm, fleet management and database management systems and integrating them to get the result ... We wish to keep it simple here ... the budget will depend on market value for what is offered. We’re looking for someone or a firm who knows or can select the software systems which could be integrated to provide and setup our needs and accordingly, achieve the result we are asking for to run our business cost effectively and profitably Just to confirm... We are thinking to incorporate existing crm, fleet management and other database management systems, integrated and linking to an accounting system Only entering data once would be good. We’re prepared and ok for compromises if we know what they are upfront. We’re not looking at starting or building from scratch We have nothing at the moment and can consider anything. We’ll commence trading 2nd quarter 2021 It just needs to be simple, reliable, cloud based and easy to use, with automatic backups, accessing from ios tablet or pc remotely stage 1 is deciding what cloud software to buy and cost to implement for 4 users stage 2 implement and populating stage 3 testing and handover budget specified is a guide, we’re after Best value