Arbuthnot Banking Group PLC (ARBB.L) Stock Analysis
A 190-year, relationship-led UK merchant bank with a “sticky” deposit franchise—trading at ~half of book while catalysts line up for a re-rating.
Overview
Arbuthnot Banking Group is a long-established UK merchant bank (heritage to 1833) operating through Arbuthnot Latham with a “human-scale” relationship model that differentiates it from digitised mass-market banks. The Group is diversified across Banking (NII from secured lending plus account/ancillary fees), Wealth Management (advice and discretionary management fees on FUMA, now ~£2.7bn), and Specialist Lending (RAF, ACABL, AAG) that targets higher-margin, asset-secured niches. A central strength is its deposit franchise—customer deposits reached ~£4.57bn by end-2025—providing low-cost funding and significant liquidity held at the BoE. 2025 earnings declined due to deposit repricing lag in a cutting-rate environment, but the balance sheet remains highly liquid and well-capitalised, and management sees catalysts in Wealth optimisation and a potential valuation re-rating from depressed P/B levels.