Has anyone been able to answer that question??
A DUI is unlikely to prevent an American from getting a UK visa.
You can establish your own business in the UK if you have the UK work visa.
Yes. The UK will deny entry to travellers who have been convicted of an offense in which if committed in the UK would be punishable by imprisonment of 12 months or more. You can even get entry to the UK with a felony conviction as long as the conviction is 'spent' which is generally considered to be when a conditional discharge from probation occurs or one year whichever is longer. UK also makes exceptions for 'exceptional circumstances' If you are concerned, you should contact your closest UK visa issuing office http://www.ukvisas.gov.uk/missions
no
Yes. You can get USA and UK work visa without any sponsor or degree.
A work visa
If you get the UK work visa then the work permit is not given to US so you need a work permit for US.
The visa that is required for Pakistani people to do business in the UK is the UK Work Visa or UK Business Visa but it may be vary according to the category of your Business. For any type of visa Julia & Rana Solicitors in Pakistan provide best Visa services. You must consult with them before applying for any type of Visa.
Getting a visa with a criminal conviction can be tricky. The link provided gives the problems that can prevent you from obtaining a visa. Other places on this site will provide the forms and other requirements that are needed.
You can get the five years work visa of UK and after five years of residency, you can acquire UK citizenship by naturalization after obtaining the ILR.
Holidays are also scheduled in visa, for example, if you are going to the UK on 5 years work visa, then you have 3 months for holidays, after your working holiday visa expires.
You apply through the consulate or embassy