 However, delays in completing the deal due to financial problems at H&R Block, the company which owned RSM McGladrey, led RSM Robson Rhodes to terminate the deal.Prior to this Robson Rhodes had sought other mergers, including unsuccessful talks with the UK arm of Mazars.On 29 April 2007 the partners of Robson Rhodes announced that they were to merge with Grant Thornton UK LLP, the UK firm of Grant Thornton International, then the sixth largest accountancy firm in the UK.