Northern Ireland's leading Executive Search & Selection and Executive Assessment & Development specialists. Clarendon Executive helps its clients to attract and appoint senior leadership talent. We Know People, and we Find Leaders. The company is proud of its long history of delivery and has made many of the most important executive appointments to Northern Ireland’s most successful businesses and public sector bodies. Through its work, the team at Clarendon Executive has built incredible networks of business leaders and influencers across the world who retain connections to NI.