Which version of this you need depends on how many of you there are
The product is the same. What changes with company size is how many people need the account, how much you run through it, and which of the controls are switched on.
By company size
Startups
A founder or a small team hiring the first engineers, on the free plan or close to it.
Growing businesses
A hiring team of several people, running enough volume that the manual version has stopped working.
Enterprise
Central IT, single sign-on, an account manager, and a contract rather than a card.