Nationwide Building Society: saving market share of the UK's savings market 2011-2024

The United Kingdom (UK)-based Nationwide Building Society is the largest building society in the world, with approximately 16.3 million members. As well as being a building society, Nationwide is one of the United Kingdom’s leading and most widespread financial institutes, specializing in household savings and mortgages.

Market share of Nationwide products

In 2024, Nationwide’s market share of the UK’s savings accounts market declined slightly, to 9.6 percent. Impressively, the Swindon-based company still held a UK market share of 11.5 percent in 2024. The group also saw an increasing market share of current accounts held in the UK in 2023.

Assets and profit

Between 2014 and 2023, the Nationwide Building Society saw total assets increase. The vast majority of its assets were through loans and advances to customers. Although the group has seen market shares increase in products offered, the building society has seen underlying profit decrease annually between 2016 and 2020 before rising again in 2021.