NatWest Group generates revenue through three primary business segments that collectively produced $18.7 billion in total income during FY2024. The Retail Banking segment contributed $7.2 billion, or approximately 38.4% of total income, serving 19 million customers through the NatWest, Royal Bank of Scotland, and Ulster Bank brands. This segment's revenue derives from net interest income on mortgages ($274.4 billion in net loans to customers), personal loans, and credit cards, plus non-interest income from fees, payments services, and insurance products. The segment's net interest margin was 2.36% in FY2024, with a cost-to-income ratio of 50.0% excluding litigation and conduct costs. Retail Banking's operating profit reached $3.1 billion in 2024, generating a return on equity of 19.9%. The segment's digital footprint is substantial: 10.5 million active mobile app users, with customers logging in an average of 33 times per month, and 70% of active current account customers using the mobile app. The acquisition of Sainsbury's Bank credit card balances in 2024 added approximately $3.4 billion in credit card receivables and expanded the unsecured lending book. The Private Banking & Wealth Management segment generated $1230.6 million in total income in FY2024, representing 6.6% of group income. This division serves high-net-worth individuals through Coutts & Co., Adam & Company, and NatWest Premier, managing $62.1 billion in assets under management and administration (AUMA). The segment's net interest margin of 2.40% and operating profit of $335.3 million yielded a 14.2% return on equity. AUMA income contributed $342.9 million, with net flows of $4.1 billion in 2024. The segment's cost-to-income ratio of 73.6% reflects the high-touch service model and regulatory compliance costs associated with wealth management. The Commercial & Institutional segment is the largest revenue contributor, generating $10.1 billion in total income, or 54.1% of the group total in FY2024. This segment serves business banking, commercial mid-market, corporate, and institutional clients across the UK, Channel Islands, Isle of Man, Gibraltar, and Luxembourg. Net interest income of $6.8 billion and non-interest income of $3.3 billion — including lending and financing fees, payment services, markets trading, and capital markets underwriting — drove the segment's $4.6 billion operating profit and 17.2% return on equity. The segment's net interest margin was 2.16% in 2024, with a cost-to-income ratio of 51.8%. Commercial & Institutional provided $9.9 billion in climate and sustainable funding and financing in 2024, supporting the group's $127.0 billion target by end-2025. The segment's net loans to customers increased by $12.7 billion, or 7.6%, in 2024, driven by growth in Corporate & Institutions and Commercial Mid-market, partly offset by $2.5 billion in UK Government scheme repayments. The group's revenue model depends heavily on the interest rate environment. Net interest income of $14.3 billion represented 76.7% of total income in FY2024, earned through the spread between interest received on loans and investments ($32.0 billion) and interest paid on deposits and borrowings ($17.7 billion). Non-interest income of $4.4 billion, or 23.3% of total income, includes fees and commissions receivable ($4.0 billion), trading income ($1047.8 million), and other operating income. The group's net interest margin expanded from 2.13% in FY2024 to 2.34% in FY2025, reflecting deposit margin expansion and structural hedge benefits. If the Retail Banking segment's mortgage book were to experience a 20% decline in origination volume, the group would lose approximately $1.4 billion in annual net interest income, given the segment's 2.36% net interest margin on $274.4 billion in loans. The group's operating expenses totaled $10.4 billion in FY2024, including staff costs of $5.2 billion, premises and equipment of $1.5 billion, and depreciation and amortization of $1.3 billion. Litigation and conduct costs added $374.6 million, reflecting ongoing regulatory and legacy issue remediation. The cost-to-income ratio excluding litigation and conduct was 53.4% in 2024, improving to 48.6% in 2025 as simplification and digital transformation reduced unit costs. The group's loan impairment charge was $455.9 million in FY2024, or 9 basis points of gross customer loans, reflecting the strong credit quality of its prime-focused book. The bank's structural hedge — a portfolio of interest rate derivatives designed to protect net interest income from rate fluctuations — generated significant income expansion in 2024-2025, with management guiding to an additional $1.9 billion in structural hedge income in 2026 compared with 2025, and a further $1.3 billion in 2027. This hedge is critical to the business model: without it, the group's net interest margin would be exposed to the Bank of England's base rate decisions, which cut rates from 5.25% to 4.5% between August 2024 and February 2025. The group's funding model relies on customer deposits of $550.5 billion, which fund 76% of net loans to customers. The loan-to-deposit ratio was 88% in 2025, up from 85% in 2024, reflecting disciplined growth. Wholesale funding totaled $112.1 billion, with an average Liquidity Coverage Ratio of 147%, providing $64.1 billion in headroom above the 100% regulatory minimum. The group's capital generation pre-distributions was 243 basis points in FY2024, supporting ordinary dividends of approximately 50% of attributable profit and share buybacks. In FY2025, total distributions deducted from capital reached $5.2 billion, including a final dividend of 23.0 pence per share and a $952.5 million share buyback program. The bank's revenue streams are geographically concentrated: approximately 95% of income is generated in the UK, with small operations in Ireland (Ulster Bank), the Channel Islands, Isle of Man, Gibraltar, and Luxembourg. This concentration is both a strength — deep customer relationships and market knowledge — and a vulnerability to UK-specific economic shocks, such as the 2022-2024 cost-of-living crisis that increased impairment charges in the unsecured lending book.