Chelsea Groton Bank vs Charter Oak
Comparing a Bank in Groton, CT with a Credit Union in Waterford, CT using federal FDIC, NCUA, and CFPB data. Trust Grades reflect financial strength and complaint history.
| Chelsea Groton Bank ↗ Bank · Groton, CT · Est. 1854 | Charter Oak ↗ Credit Union · Waterford, CT · Est. 1939 | |
|---|---|---|
| Trust Grade | A · 98/100 | A · 98/100 |
| Institution type | Bank | Credit Union |
| Location | Groton, CT | Waterford, CT |
| Total assets | $1.7B | $1.7B |
| Capital ratio | 15.7% | 12.3% |
| Return on assets | 1.0% | 1.7% |
| Deposits | $1.2B | — |
| Branches | 14 | 86,156 |
| CFPB complaints | 0 | 0 |
| Complaints / $1B assets | — | — |
| State rank | #3 of 28 | #3 of 64 |
| Established | 1854 | 1939 |
Chelsea Groton Bank
- Assets: $1.7B
- Deposits: $1.2B
- Capital ratio: 15.7%
- Return on assets: 1.0%
- CFPB complaints: 0
- State rank: #3 of 28
Charter Oak
- Assets: $1.7B
- Members: 86,156
- Capital ratio: 12.3%
- Return on assets: 1.7%
- CFPB complaints: 0
- State rank: #3 of 64
Are both institutions federally insured?
Yes. Chelsea Groton Bank is FDIC-insured and Charter Oak is NCUA-insured. Both protect deposits up to $250,000 per depositor, per ownership category, regardless of Trust Grade. The Trust Grade reflects financial strength and complaint history — not the safety of insured deposits. Estimate your coverage →
Frequently asked questions
Which is better, Chelsea Groton Bank or Charter Oak?
Based on Bankzia's Trust Grade — which blends financial strength (capital ratio, ROA) with CFPB complaint history — Chelsea Groton Bank scores higher with a grade of A (98/100). However, "better" depends on your needs: if you prioritize branch access, local service, or membership eligibility for a credit union, the lower-scoring option may still be the right choice for you.
Is Chelsea Groton Bank safe?
Yes — Chelsea Groton Bank is FDIC-insured, meaning deposits up to $250,000 per depositor, per ownership category are federally protected regardless of the institution's Trust Grade. Its Trust Grade is A (98/100), reflecting its financial strength and complaint history relative to peers.
Is Charter Oak safe?
Yes — Charter Oak is NCUA-insured, meaning deposits up to $250,000 per depositor, per ownership category are federally protected. Its Trust Grade is A (98/100).
What is the capital ratio of Chelsea Groton Bank vs Charter Oak?
Chelsea Groton Bank has a capital ratio of 15.7%, placing it in the top 6% of $1B–10B peers. Charter Oak's ratio is 12.3%, placing it in the top 26% of $1B–10B peers. A higher capital ratio generally signals a stronger financial cushion.
How many complaints does Chelsea Groton Bank have compared to Charter Oak?
The CFPB database shows 0 complaints against Chelsea Groton Bank, and 0 complaints against Charter Oak. The per-$1B rate adjusts for institution size and is a more meaningful comparison metric.
How does Bankzia calculate the Trust Grade?
The Trust Grade combines a financial strength score (based on capital ratio, return on assets, and other FDIC/NCUA metrics) with a customer experience score derived from CFPB complaint data. The scores are weighted and normalized within peer groups by institution size and type. See our full methodology for details.
Compare Chelsea Groton Bank with other Banks in Connecticut
Financial data from FDIC and NCUA call reports; complaint data from the CFPB Consumer Complaint Database. Bankzia is independent and not affiliated with any government agency or financial institution.
