Citizens Advice (which used to be known as the National Association of Citizens Advice Bureaux) is our national body. It maintains a web site called AdviceGuide that provides you with information under the following headings:
AdviceGuide is at: www.adviceguide.org.uk.
See also other sources of online advice
Dedicated web information pages for the Armed Forces: advice on finances, benefits and pensions for serving personnel, veterans and their families now online