Stock Markets Exposed - How do I find financial statements of public companies up to 10years back?

How do I find financial statements of public companies up to 10years back?

I'm new to stock investing and have been reading a lot about value investing. The farthest back I can find was up to 4 years (Firstrade.com).

All public companies have to register accounts these should be available to anyone. Visit here and you should get an answer: http://www.companieshouse.gov.uk/
http://www.sec.gov/edgar/searchedgar/companysearch.html
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