Most clients and recruiters will require candidates to carry a certain level of professional indemnity insurance. This protects your business against compensation sought by a client if they believe you have made mistakes or been negligent in the execution of your work for them.
Read a good introduction to professional indemnity insurance from Business Link. The site also provides links to the British Insurance Brokers’ Association, to help find a broker, as well as the General Insurance Standards Council.
Decision Finance offer professional indemnity insurance for those who need it. With them you can compare quotes to find the best price and then buy your insurance online.
The Professional Contractors Group offers a members-only rate for professional indemnity insurance, as well as many other member benefits.