Solvency UK

The introduction of Solvency UK aims to enhance flexibility and competitiveness in the insurance sector while maintaining high policyholder protection standards.

Key changes include simplified requirements, dynamic capital adjustments, and increased entry thresholds. The reforms are part of a phased implementation by the PRA.

Whilst Lloyd’s is not a UK insurance company, the PRA Rulebook refers to Lloyd’s specifically (“the association of underwriters known as Lloyd’s”) and requires Lloyd’s to report as if Lloyd’s were a “UK Solvency II” firm.

The PRA rulebook instructs managing agents to provide any information that Lloyd’s needs in order to facilitate this.

Our approach

Lloyd’s is collecting Solvency UK data from syndicates in line with the PRA Solvency UK taxonomy and in XBRL format.

A Solvency UK market briefing was held on 27 March 2025, during which Lloyd’s plans for adoption were shared with the market.

For those market participants who were unable to join us, you will find a recording of the session as well as a copy of the slides below for your review.

The CoreFiling portal is the means through which XBRL data (Solvency UK submissions) is collected by Lloyd’s.  The portal collects the Q4 and Annual 2025 submissions, and all quarterly and annual submissions thereafter.

Download CoreFiling – MFA – Devolved Admin Guide

Download User Access Instructions

Download CoreFiling User Request Template

Download CoreFiling User Guide
*updated 18 Aug 2025

Go to CoreFiling Portal