Portfolio Underwriting in 2026: Ambition vs Infrastructure

2026-03-22 · Industry Analysis

This InsTech episode explores the rapid rise of portfolio underwriting in the London Market and the growing gap between ambition and supporting infrastructure. While broker-led facilities and investor interest are accelerating adoption, the discussion highlights that data quality, expertise, and operating models are not keeping pace. The episode argues that portfolio underwriting is evolving from a niche capability into a core market mechanism—but without improvements in data standards, incentives, and technical foundations, the model risks scaling inefficiencies and underwriting losses.