Co.uk refers to the second-level domain used in the United Kingdom. According to the Domain Name System level, a second-level domain is a form of domain which is directly below a top-level domain which is .uk.
To find the right insurance co.uk, start by figuring out the amount of coverage you need. This varies from area to area based on some obscure government criteria. So make sure you find out what coverage is required where you live. Make a list of the www.ehow.com