Extensive assignment completion, client and candidate interaction has bought us into contact with many external organisation that have been invaluable as we have developed and succeeded. You in turn may find one or more of them useful:

Financial Services:
Giant
Liberty Bishop
Mauve
My Key Pay
Parasol
The 360 Group

Taxation:
Employed or self-employed? IR 35 / 56 explained
General
Inland Revenue

Working Overseas:
Currency converter
Health information
Reduce your tax
UK expatriates

Travel:
National Rail
Routefinder
The AA

Others:
Companies House
Home Office
Interim Management Association
Linkedin