They keep you well informed and get what you ask for done, even when time is running short. I consider the money spent engaging with TVC for my non O and retirement visa was a good investment. Just done my 90 day report through them, so easy and I saved money and time, with no stress of the immigration office. Just added my 2nd one year extension to their services, I dropped off my passport at the office this time, I was handled in a very professional manner and was dealt with quickly on Thursday. Passport with extension stamp returned Saturday afternoon. If you have a visa issue these are the people to speak with 5 star service.