Complex sentence: The effect of this collapse was felt long after Simpson's resignation; despite a major restructuring the company continued to struggle until 2005 when the loss of a major BT contract forced the company to seek a buyer.
Split into simpler sentences: The effect of this collapse was felt long after Simpson's resignation. Despite a major restructuring the company continued to struggle until 2005 when the loss of a major BT contract forced the company to seek a buyer.