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 incorporated in Guernsey but has operational head offices in Carlisle , Cumbria and Warrington , Cheshire but hopes eventually to re-locate its Carlisle , Cumbria offices to a new , purpose-built building at Carlisle Lake District Airport , where it owns a 150-year lease expiring in 2150.Brothers-in-law Andrew Tinkler and William Stobart hold 9.37 % and 3.3 % respectively of the Stobart Group as of May 2012 .
Stobart Group