Webking solutions is serving G suite service also includes G suite business services. If you are using G suite for Business then you will get 1TB data when you have 5 or less than 5 users for your company. If your users is more then 5 then you will get unlimited storage for all the users of your company.
If you are using G suite for business then there is no need to upgrade or buy some extra storage for your users. G suite is giving you unlimited storage per user in G suite Business plan.
Some Benefits with G suite for Business Plan :