Citizens Access
1 detailed location
Local banking directory
Search detailed locations Banks and Bank Branches in Groton, Massachusetts
The FDIC reported 3 deposit-reporting offices from 3 institutions in Groton as of June 30, 2025. Bankular currently provides 4 detailed location pages with addresses, maps and directions.
FDIC-reported offices3
Institutions reporting3
Detailed location pages4
Reported branch deposits$235.4M
SOD reporting dateJune 30, 2025
Reported-office totals come from the annual FDIC Summary of Deposits survey. Maps and branch-detail links appear only for locations with a validated Bankular location page.
Market analysis
What the deposit data shows
Largest institutionMiddlesex Savings Bank47.48% of deposits
Top three share100.00%
Deposit HHI4,056Higher concentration
Current detailed pages41 more than the June 2025 SOD count
Middlesex Savings Bank held 47.48% of reported branch deposits in Groton. The three largest institutions together held 100.00%. Bankular places the resulting HHI of 4,056 in its higher concentration descriptive band.
Branch map
Detailed bank locations in Groton
Select a marker to open the detailed location page.
Detailed directory
Institutions with validated location pages
Middlesex Savings Bank
1 detailed location
Rollstone Bank & Trust
1 detailed location
Workers Credit Union
1 detailed location
Location pages
Detailed bank locations in Groton
Citizens Access
1 detailed locationMiddlesex Savings Bank
1 detailed locationRollstone Bank & Trust
1 detailed locationWorkers Credit Union
1 detailed locationLocal deposit market
Reported offices, deposits and market share
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| Middlesex Savings Bank | 1 | $111.8M | 47.48% |
| Citizens Access | 1 | $96.1M | 40.81% |
| Rollstone Bank & Trust | 1 | $27.6M | 11.72% |