on ▁was ▁set ▁up ▁following ▁the ▁management ▁buy - out ▁from ▁Entertainment ▁Rights ▁of ▁Si ri ol ▁Produ ctions , ▁when ▁Entertainment ▁Rights ▁moved ▁its ▁head ▁office ▁to ▁London . ▁Most ▁members ▁of ▁staff ▁stayed ▁in ▁Wales ▁to ▁help ▁re - est ab lish ▁Si ri ol ▁as ▁an ▁independent ▁production ▁company . ▁The ▁deal ▁included ▁all ▁rights ▁to ▁current ▁produ ctions ▁and ▁a ▁few ▁older ▁titles , ▁but ▁the ▁rights ▁to ▁most ▁of ▁the ▁older ▁series ▁are ▁now ▁held ▁by ▁Entertainment ▁Rights . ▁ ▁The ▁company ▁eventually ▁employed ▁over ▁ 4 0 ▁people ▁and ▁was ▁a ▁developer ▁of ▁talent ▁in ▁the ▁Wel sh ▁animation ▁industry ▁for ▁more ▁than ▁ 3 0 ▁years . ▁Cal on ▁continued ▁working ▁on ▁animation ▁production , ▁but ▁expanded ▁into ▁live - action ▁content ▁for ▁both ▁the ▁UK ▁and ▁international ▁mark ets , ▁and ▁to ▁co - produ ce ▁with ▁major ▁networks ▁outside ▁the ▁UK . ▁ ▁In ▁July ▁ 2 0 1 0 , ▁the ▁company ▁file d ▁for ▁volunt ary ▁liquid ation ▁when ▁hoped - for ▁invest ment ▁to ▁expand ▁the ▁company ▁failed ▁to ▁material ise . ▁Short ly ▁afterwards ▁it ▁was ▁In cor por ated ▁into ▁Mount ▁Stuart ▁Media ▁Ltd ▁ ▁Produ ctions ▁Two ▁series ▁of ▁H ana ' s ▁Hel pl ine ▁were ▁produced ▁for ▁Five ’ s ▁Mil k sh ake ▁block ▁for ▁pr esch ool ▁children ▁in ▁co - production ▁with ▁S 4 C ▁and ▁German ▁broad c aster ▁Z DF . ▁One ▁series ▁of ▁Ig am ▁Og am ▁was ▁made ▁for