Companies House, an executive agency of the Department for Business, Innovation and Skills, carries out a number of functions, including registration, relating to limited companies and company records in the UK. Basic company information, a list of disqualified directors, forms and guidance booklets are accessible free of charge. An extensive section is devoted to the Companies Act 2006. More detailed information and a range of other services are available as subscription services.

Company Law Club is the web site of Incorporation Services Limited, a Newcastle upon Tyne based firm which provides company registration and related services. Free information on the site includes a searchable and browsable company law database; an annotated list of the main UK companies legislation, with links to full text on the OPSI site; links to government and other company law web sites; links to forms on the Companies House site; and newsletters 2007 onwards.

Company Law Forum, a site sponsored by LexisNexis, aims to provide the legal and business community with an environment in which to share views, ideas and useful links on company law related issues. The site content is directly accessible: registration (free) is required only for those who wish to contribute.

The Company Names Tribunal, which was created 1 October 2008, adjudicates on disputes about opportunistic company name and limited liability partnership name registrations. It is administered by the UK Intellectual Property Office. There is a factsheet (which includes links to legislation), practice notices, forms and decisions.

This site, created by Robert Goddard, a law lecturer at Aston Business School, Birmingham, functions both as a blog and as a portal for corporate (company) law. The blog covers important developments, news and other items, and the portal provides links to the main corporate law and governance primary materials, news sources and organisations.

The Department for Business, Innovation and Skills (BIS) was created on 5 June 2009 by a merger of the Department for Business, Enterprise and Regulatory Reform (BERR) and the Department for Innovation, Universities and Skills (DIUS). Its responsibilities include productivity, enterprise, business relations, business law, competition, consumer policy, employment regulation, further and higher education, and science. Many sections of the site, for example those on the Companies Act 2006 and on competition and employment matters, have information on relevant legislation, with links to texts of Acts, regulations and commencement orders.

The Financial Reporting Council (FRC) is an independent regulator responsible for promoting confidence in corporate reporting and governance in the UK. There are site sections for each of the six "operating bodies" which the FRC incorporates - the Accounting Standards Board, Financial Reporting Review Panel, Accounting & Actuarial Discipline Board, Professional Oversight Board, Auditing Practices Board, and Board for Actuarial Standards. Downloadable documents include the FRC's Combined Code on Corporate Governance and the UK Stewardship Code.

Amongst the extensive stock market information on the LSE's site is a "Rules and regulations" section, from which the current Rules of the London Stock Exchange may be downloaded. To locate this section select the "Traders and brokers" tab. Also available are the current AIM Rules, which can be found under the "Companies and advisers" tab.

The Panel on Takeovers and Mergers is the regulatory body which administers the City Code on Takeovers and Mergers. Documents on the site include the Code, the Rules Governing Substantial Acquisitions of Shares, Panel statements, practice statements, current and recent public consultation papers, and all annual reports since the Panel's inception in 1968.