First, your profile suggests that you have no relevant experience (immigration law), please confirm that you capable to advise on immigration law.
Second, the key questions in mind are as follows:
1. Can a person apply for Tier 1 with GBP 50,000 if he/she is out of UK and has not current visa? Some visa services website claim that it can be applied without having a current visa provided that the amount falls under one of specific resources?
2. If the amount merely deposited (GBP 50,000) in a saving account with a registered UK bank, does considered an investment for the purpose of Tier 1 (Entrepreneur)?
3. If a person remotely set up the company, and while he is out of UK arrange the money (50,000 or 200,000) to be invested in the company, can he/she rely on that as an investment to apply for Tier 1 (Entrepreneur)?
4. If a person set up a (limited company by guarantee), and spends GBP 50,000 or 200,000 in the company during the last 12 months before his/her application; can he/she rely on such amount to apply for Tier 1 (Entrepreneur).Please be reminded that limited company by guarantee has no capital no it has shares?