Be aware that the packages, which are being offered by formation companies have a variety of accordance with the type of UK ltd company you have in mind. This is mostly because they all have different requirements an as such, you should be in a position to get properly advised on which package suits their business best. There will be naturally a range from products for brand new companies and old ones, those searching for registering offices, among the others. You thing about it carefully before going with any formation company, because the price for all packages is variable.
On the other hand, however, if you want to form a UK limited company , they can take you through the necessities that are required for the same and explain the dynamics of how the whole procedure works and what advantages you will be getting in the future. And you should bear in mind, that the people who take you through this procedure are qualified and among some of the things that this option gives you are; guaranteeing that all your assets and interests are protected in the eventuality that you face any hardships in the future.
If you want to start a UK company, the best thing is to consult with a UK company formation that will be able to answer all your questions and educate you on the pros of forming a UK limited company among other issues.