OK, so this Eurojet one is G-DCDB as I noted above. Owned by Paycourt Ltd, alias singer Chris De Burgh, and operated by Eurojet. Take a look at this on G-INFO database and it shows hours as 458 and CofA expiry at 19-Oct-05.
The hours on G-INFO are from the date the CofA was last issued, ie 20-Oct-02 (expiry date less "three years less a day"). So, given the aircraft was delivered new and is a 1997 aircraft, we can assume that it has flown 458 hours in 5 years, so Eurojet flies it 90 hours a year. Still interested?
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and to add some more to my notes earlier in the thread
53186 G-GAJW was previously with AJWalter Avn (who replaced it with a 109 Power) and originally reg N52245 UK based with JJB Sports (who replaced it with a 430).