You need to obtain a residence permit to allow you to live and work in the UK. You can apply for the permit in the UK using various routes e.g. marriage or study. Importantly, the process of obtaining a residence permit is hard. It is also lengthy since you can take up to 5 years before you get the permit. Notably, Free company.uk promises easy residence permit for their business owners and employees. Once you have a permanent UK residence permit, no immigration restrictions will affect you, your work, or your business. Besides, with a permanent residence permit, you can stay in the UK for as long as you wish, provided you don’t spend over 2 years continuously outside the UK.