| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Kennebunk Savings Bank | Bank | 12 | $1.34B | 18.15% |
| 2 | Saco & Biddeford Savings Institution | Bank | 3 | $775.6M | 10.50% |
| 3 | Manufacturers and Traders Trust Company | Bank | 8 | $762.7M | 10.33% |
| 4 | Partners Bank of New England | Bank | 8 | $746.7M | 10.11% |
| 5 | TD Bank, National Association | Bank | 5 | $621.1M | 8.41% |
| 6 | Maine Community Bank | Bank | 5 | $455.0M | 6.16% |
| 7 | Atlantic Regional Federal Credit Union | Credit union | 5 | $408.5M* | 5.53% |
| 8 | Lighthouse Federal Credit Union | Credit union | 4 | $372.2M* | 5.04% |
| 9 | Peopleschoice Credit Union | Credit union | 4 | $335.7M* | 4.55% |
| 10 | Bangor Savings Bank | Bank | 7 | $277.5M | 3.76% |
| 12 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $7.39B | 22 | 83 | Kennebunk Savings Bank | 18.1% | 887 |
| 2025 | $7.08B | 20 | 81 | Kennebunk Savings Bank | 18.9% | 904 |
| 2024 | $7.12B | 21 | 79 | Kennebunk Savings Bank | 18.4% | 879 |
| 2023 | $6.79B | 21 | 79 | Kennebunk Savings Bank | 19.4% | 938 |
| 2022 | $6.87B | 21 | 80 | Kennebunk Savings Bank | 20.5% | 952 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.