By virtue of paragraph(s) 3 of Part 1 of Schedule 12A of the Local Government Act 1972.
Information relating to the financial or business affairs of any particular person (including the authority holding that information).
The public interest in maintaining the exemption outweighs the public interest in disclosing the information becasue publishing the decision woudl disclose commercially sensitive information to our competitors which could have a negative impact on future business activity.