WHITELEY, UK and FARMINGTON, CT--(Marketwired - April 14, 2016) - 1insurer, global provider of software to the property and casualty (P&C) insurance sector, is pleased to congratulate GuideOne Insurance (GuideOne) for recognition by Celent, a global research and advisory firm for the financial services industry, as a 2016 Model Insurer for exemplary work in legacy and ecosystem transformation.