The Law Society

http://www.lawsociety.org.uk

ADR and Mediation

http://www.adjudication.co.uk/ [Adjudication Services and Information]
http://www.adrchambers.com/ [Alternative Dispute Resolution Group]
http://www.adrgroup.co.uk/ [Alternative Dispute Resolution Group]
http://www.arbitrators.org/ [Chartered Institute of Arbitrators]
http://www.cedr.co.uk/ [Centre for Effective Dispute Resolution]

Courts

http://www.lawreports.co.uk/ [Daily Law Notes from Royal Courts of Justice]
http://www.privy-council.org.uk/ [Privy Council Office]

Government departments and other bodies

http://www.companieshouse.gov.uk/ [Companies House]
http://www.guardianship.gov.uk/ [Public Guardianship Office]
http://www.inlandrevenue.gov.uk/ [Inland Revenue]
http://www.landreg.gov.uk/ [The Land Registry]
http://www.legalservices.gov.uk/ [Legal Services Commission]
http://www.bii.org/biiab_qualifications/index.cfm [British Institute of Inn-Keeping Awarding Body (BIIAB)]

Equality

http://www.drc.org.uk/ [Disability Rights Commission]
http://www.cre.gov.uk/ [Commission for Racial Equality]
http://www.eoc.org.uk/ [Equal Opportunities Commission]

Other UK legal sites

http://www.casetrack.com/casebase/ [Case Search/database Website]
http://www.countermoneylaundering.com/ [The Money Laundering Compliance Website]
http://www.insolvencyhelpline.co.uk/ [UK and Bankrupt Insolvency Website]