On-premise means the servers and systems live in your building and you own them. Cloud means you rent computing and storage from a provider and reach it over the internet. Most small businesses today run a mix of both.
For most small businesses the right setup is hybrid: email and everyday tools in the cloud, with anything that genuinely needs to be local kept on-site. The goal is to match each workload to where it runs best, not to force everything one way.
We are happy to talk it through and point you in the right direction, at no cost.
Talk to a Local Engineer