We recommend the following web sites:
Office of Immigration Services Commissioner OISC Contains a data base of all regulated immigration advisers in the UK. You could easily do a search for the surname of the adviser or for the company name. We also recommend not to take any advice or pay for the services of a company or a person who is not in the OISC database.
Joint Council for the Welfare of Immigrants JCWI.
JCWI is an independent national voluntary organization, campaigning for justice and combating racism in immigration and asylum law and policy.