The Stobart Group owns a lease that expires after 2150 ; and shares of less than 9.20 % and more than 3.33 % were respectively held by Andrew Tinkler and William Stobart after 2013 .
The company is registered in Guernsey but has operational its head office in Carlisle , Cumbria which it hopes to re-locate to a new , purpose-built building at Carlisle Lake District Airport , where it owns a 150-year lease expiring in 2151.Brothers-in-law Andrew Tinkler and William Stobart hold 9.08 % and 3.39 % respectively of the Stobart Group as of April 2014 .
Stobart Group