Jonathan Eldred Wilhelmus Tidswell-Pretorious

Challenger Acquisitions Ltd. is a holding company specializes in design and engineering of giant observation wheels and structures. It operates through the following segments: Corporate Center, Engineering, and Investment. The Corporate Center segment administers and manages the Group and identifies target companies or businesses for possible acquisitions in the Giant Observation Wheel industry. The Engineering segment which was compromised by the acquired Starneth design and engineering business. The Investment segment which compromises all investments the group holds in Giant Observation Wheels globally. The company was founded on November 24, 2014 and is headquartered in Saint Peter Port, United Kingdom.

Horse Hill Developments Ltd. engaged in the exploration and development of oil and gas reserves. The firm also explores hydrocarbons using conventional drilling methods. The company is headquartered in London, the United Kingdom.

Angus Energy Weald Basin No. 3 Ltd. provides onshore oil and gas exploration, development and production services. The company was founded on March 28, 1974 and is headquartered in Edinburgh, the United Kingdom.