They are big and British and we're not talking about Mr Blobby's underpants here. We are talking about a company, obviously.

Almost no-one who has not worked for Serco has heard of it because it has more fingers in more pies than a leper working for Mr Kipling.

But analysts love it and have issued a vast number of buy notes so we thought w'd better take a look at this uniquely massive British thing.

Research: SRP.L

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