Aviva and Quilter are still the two most recommended adviser platforms in the first half of 2026, according to Defaqto’s latest platform rankings. The research, based on recommendations made through Defaqto Engage, found Aviva retained a 30% share among the top 10 platforms, while Quilter held 27%. Scottish Widows Platform was the biggest mover in the rankings, climbing three places to fifth after increasing its share of recommendations from 4% to 6%. Defaqto reveals top 10 adviser-recommended MPS platformsDefaqto said the improvement partly reflected advisers’ familiarity with the Scottish Widows brand following the integration of the Embark platform. Defaqto insight manager for wealth and protection Andrew Duthie said Aviva and Quilter continued to dominate adviser platform recommendations.