Some important links

Inland Revenue / Vat www.hmce.gov.uk/

Companies House www.companies-house.gov.uk/

Scottish Executive www.scotland.gov.uk/

Business Link  www.businesslink.gov.uk/

Car Fuel Emissions etc: www.vcacarfueldata.org.uk 
Foreign Currency Converter: www.xe.com
The TaxAid Charity: www.taxaid.org.uk
The DWP (formerly The DSS): www.dwp.gov.uk
Company cars: www.comcar.co.uk