A total of 35 insurance companies were incorporated in Bermuda during 2010 - seven fewer than the year before.Five insurers and one manager were set up last month.John Harrison Insurance Company Ltd, a special purpose insurer (SPI), was formed by Strategic Risk Solutions on December 3, followed by self-managed Catlin Re Switzerland Ltd, a Class 4 insurer, on December 9.Brit Insurance (Gibralter) PCC Ltd, an SPI, was registered by Aon Insurance Managers (Bermuda) Ltd on December 21, as was Dillard’s Insurance Company Ltd., a Class 1 insurer, by Marsh IAS Management Services (Bermuda) Ltd.Class 1 insurer HBA Indemnity Company Ltd. was launched by Aon Insurance Managers (Bermuda) Ltd on December 31, while Aurigen Services Ltd, a management company, was set up on December 23.