Groton, Massachusetts
Banks & credit unions in Groton
4 federally insured institutions operate a branch in Groton, Massachusetts, across 3 locations.
Each institution’s branch count below is for Groton only. Select one to see its branches in this town.
| # | Institution | Type | Branches in Groton | Total assets |
|---|---|---|---|---|
| 1 | Citizens Bank, National Association | Bank | 1 | $227.13B |
| 2 | Middlesex Savings Bank | Bank | 1 | $6.15B |
| 3 | Workers | Credit union | 1 | $2.51B |
| 4 | Rollstone Bank & Trust | Bank | 1 | $836M |
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026