| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Service Federal Credit Union | Credit union | 4 | $432.4M* | 32.06% |
| 2 | The Camden National Bank | Bank | 2 | $191.1M | 14.17% |
| 3 | Lighthouse Federal Credit Union | Credit union | 2 | $186.1M* | 13.80% |
| 4 | Passumpsic Savings Bank | Bank | 3 | $180.8M | 13.41% |
| 5 | Bangor Savings Bank | Bank | 1 | $110.4M | 8.19% |
| 6 | Citizens Bank, National Association | Bank | 1 | $95.6M | 7.08% |
| 7 | Bank of New Hampshire | Bank | 2 | $79.2M | 5.87% |
| 8 | Mascoma Bank | Bank | 1 | $32.6M | 2.41% |
| 9 | Union Bank | Bank | 1 | $24.1M | 1.78% |
| 10 | Bar Harbor Bank & Trust | Bank | 1 | $16.6M | 1.23% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $1.35B | 10 | 18 | Service Federal Credit Union | 32.1% | 1,761 |
| 2025 | $1.26B | 10 | 18 | Service Federal Credit Union | 31.6% | 1,729 |
| 2024 | $1.14B | 10 | 16 | Northway Bank | 24.6% | 1,611 |
| 2023 | $1.16B | 10 | 17 | Service Federal Credit Union | 27.4% | 1,909 |
| 2022 | $1.09B | 10 | 17 | Service Federal Credit Union | 29.8% | 1,827 |
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.