Challenger Banks
1,269
debentures in April 2026
+10%
vs April 2025
Note: this report covers major lenders tracked in the Spark Intel dataset.
April 2026 - Year-over-year
Lenders
Challenger Banks
7 major lenders| Lender | 2023 | 2024 | 2025 | 2026 | Chg | YoY |
|---|---|---|---|---|---|---|
| Aldermore Bank | 88 | 434 | 617 | 696 | +79 | +13% |
| Shawbrook Bank | 260 | 230 | 290 | 260 | -30 | -10% |
| Allica Bank | 62 | 109 | 105 | 137 | +32 | +30% |
| Atom Bank | 15 | 28 | 54 | 42 | -12 | -22% |
| OakNorth | 59 | 28 | 51 | 72 | +21 | +41% |
| Oxbury Bank | 19 | 6 | 32 | 45 | +13 | +41% |
| GB Bank | 7 | 4 | - | 17 | +17 | +100% |
| Cohort total | 1,149 | 1,269 | +120 | +10% | ||
Source: Companies House debenture filings, April 2026. Figures represent registrations in the calendar month only.
April 2026 Market Commentary Available
Read the full CEO commentary on April 2026 UK debenture registrations - covering the buy-to-let surge, Iran war impact on SME lending, and year-to-date trends.
View April 2026 Overview →