www.legislation.gov.uk
The National Archives website includes the text of all United Kingdom legislation. For Acts of Parliament, some updating has been done to incorporate amendments made since enactment, but only amendments in force up to the end of 2002 have been dealt with in full. Statutory instruments are shown only in the form in which they were originally enacted.

www.companieshouse.gov.uk
The Companies House site gives practical information about the registration of companies and filing returns.

eur-lex.europa.eu
The European Union's EUR-Lex site includes the text of all EU legislation, much of it in consolidated form incorporating all amendments.

fsahandbook.info/FSA/index.jsp
The full text of the FSA Handbook is here, including the listing rules (LR), prospectus rules (PR), and the disclosure rules and transparency rules (DTR).

www.thetakeoverpanel.org.uk
The Takeover Panel site includes the text of the City Code on Takeovers and Mergers.

www.frc.org.uk
The Financial Reporting Council's website includes the texts of accounting standards (FRSs and SSAPs), the ASB's newsletter, Inside Track, APB Ethical Standards for Auditors, and auditing standards.