www.ogc.gov.uk
The office of Government Contracts website offering useful information on government contracts.

www.tendersdirect.co.uk
This website is dedicated to advertising tendering opportunities in the UK and Europe. Subscription fees apply, but free trial period available.

www.supplyingthegovernment.gov.uk
Offering advice and contact information to businesses regarding supplying to the government.

www.xtender.com
Specialise in European tendering opportunities

www.bipcontracts.com
Information source for finding out advertisements about tenders

www.fittosupply.org
Offers online information about tendering.

www.london.gov.uk
The Greater London Authority, a PDP sponsoring partner with the LDA.

www.pasa.nhs.uk
The NHS purchasing and supply agency website, advertising NHS supply opportunities.