2025 list of UK headquartered Globally Systemically Important Institutions (G-SIIs)

The PRA disclosure of UK headquartered G-SIIs for 2025.
Published on 28 November 2025

On 28 November, we disclosed the 2025 list of UK headquartered G-SIIs.footnote [1] We also disclosed their respective sub-categories, applicable scores, and G-SII buffers.

The 2025 UK G-SIIs and their sub-category allocations are as follows: 

G-SII

Sub-category

Score

G-SII buffer rate

HSBC Holdings Plc 

389

2% 

Barclays Plc 

291 

1.5% 

Standard Chartered Plc 

142 

1% 

These buffers will apply from 1 January 2027. The list of G-SIIs and their sub-category allocations will be updated annually. 

  1. As required under the Capital Requirements (Capital Buffers and Macro-prudential Measures) Regulations 2025 (SI 2025/653).