Best Banks & Credit Unions in Portsmouth, New Hampshire
Banks and credit unions serving Portsmouth, New Hampshire. Compare up to 5.00% APY, fees, minimums and membership rules, dated when we read them.
This page covers banks, credit unions, and local branches available to residents of Portsmouth, New Hampshire. All rankings inherit from the New Hampshire state directory. Every institution listed is licensed to serve Portsmouth residents and is either headquartered in New Hampshire or operates branches in the metro.
Top options in Portsmouth
- Service Credit Union: 5.00% APY. Primary Savings Account: Dividends paid on daily balances up to $500 at 5.00% APY; the balance above $500 earns 5.00%-0.25%; $5 in a Primary Savings Account establishes membership; APY accurate as of the last dividend declaration date of 11/16/2025. Read Sep 7, 2026 on servicecu.org.
- Lighthouse Credit Union: 4.00% APY. 12-Months Share Certificate: $500.00 minimum balance to open a fixed rate share certificate and earn the advertised APY; the dividend rate at opening holds for the whole term; penalty may be imposed for early withdrawal. Read Sep 7, 2026 on lighthousecu.org.
- Service Credit Union: 4.00% APY. 12 Months Share Certificate: $500.00 minimum daily balance to obtain APY; rates accurate as of 08/01/2026; penalty for early withdrawal. Read Sep 7, 2026 on servicecu.org.
- Meredith Village Savings Bank: 3.75% APY. 12-month 1 Year CD: $500.00 minimum to open a Certificate of Deposit and to earn the stated APY; a substantial interest penalty may be required for early withdrawal; all rates effective Tuesday, September 1, 2026. Read Sep 7, 2026 on mvsb.com. Rates as of 2026-09-01 per the page.
- BrightBridge Credit Union: 3.35% APY. 12 Month Certificate: $500.00 minimum deposit to open and to earn the APY; the 12 Month Premium rate of 3.45% requires $50,000; penalty for early withdrawal; effective date Sunday, September 6th, 2026. Read Sep 7, 2026 on brightbridge.com. Rates as of 2026-09-06 per the page.
- Heritage Family Credit Union: 3.25% APY. 12 Month Term Share Certificate: Standard Term Share Certificate table; the Premier Term Share Certificate pays 3.75% at 12 months; the minimum is carried in a footnote the page would not expand; effective 09-06-2026. Read Sep 7, 2026 on hfcuvt.com. Rates as of 2026-09-06 per the page.
Banks with more than one branch in Portsmouth
Each opens every one of that bank's offices in Portsmouth, with the address of each and what it holds.
Other New Hampshire cities
See the full New Hampshire banks directory for every institution we've verified in the state, plus the underlying methodology.