RenaissanceRe-managed Syndicate 1458 has narrowly taken the top spot in Insurance DataLab’s 2026 Lloyd’s Underwriting Ratings, edging Aegis-managed Syndicate 1225 with an overall score of 77%.
The syndicate generated an underwriting profit of £92.6 million from £624.3 million of gross written premium (GWP) in its latest accounts, up from £18 million a year earlier.
Aegis-managed Syndicate 1225 finished less than 0.1 percentage points behind on the same 77% score, while Brit-managed Syndicate 2987 ranked third with 75.6%.
Insurance DataLab’s ratings assess current-year underwriting performance relative to GWP, aggregate underwriting performance over three years and improvement in underwriting performance over the latest 12 months.
Syndicate 1458 received a 95% rating for year-on-year improvement, helping it take the top spot for the first time.
Syndicate 1225 posted an underwriting profit of £210.6 million from £835.9 million of GWP in 2025/26, with aggregate underwriting profit over the past three years reaching £506.4 million.
Syndicate 2987 increased its underwriting profit from £32 million to £106.5 million over the latest year, while its three-year aggregate underwriting profit reached £224.7 million.
Nine syndicates received Gold Awards in this year’s ratings. The other recipients were Axa XL-managed Syndicate 2003 (72.5%), Chubb-managed Syndicate 2488 (71.8%), Apollo-managed Syndicate 1969 (71.6%), Blenheim Underwriting-managed Syndicate 5886 (71.3%), Tokio Marine Kiln-managed Syndicate 510 (71.2%) and MS Amlin-managed Syndicate 2001 (71.2%).
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