That really depends on your group and how motivated you are/how quickly you turn in your census.
Typically, it will take at least one month to complete the process, from the time the quote requests are sent to the insurance companies. Since all group insurance starts on the first of the month, if we get started mid-month, it will take a minimum of a month and a half.
If only one or two people are making the decisions, it goes quicker. The more people involved in the decision making process, the longer it takes to get a consensus, usually.
We also help current staff coordinate the ending of their current policies with a new group policy. We frequently do this for our clients.