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Business Banking | Cornerstone Bank | Massachusetts

FDIC-Insured - Backed by the full faith and credit of the U.S. Government

BankFind
This bank is insured by the Federal Deposit Insurance Corporation. The FDIC Certificate ID is 90282. Click on the Certificate ID # to confirm this bank's FDIC coverage using the FDIC's BankFind tool.

EDIE
EDIE lets consumers and bankers know, on a per-bank basis, how the insurance rules and limits apply to a depositor's accounts-what's insured and what portion (if any) exceeds coverage limits at that bank. Check your deposit insurance coverage >>

Routing Number: 211371735

Depositors Insurance Fund

Established by the Massachusetts legislature in 1934, the Depositors Insurance Fund (DIF) is a private, industry-sponsored insurance fund that insures all deposit accounts above Federal Deposit Insurance Corporation (FDIC) limits at its member banks.

The unique combined insurance coverage afforded by the FDIC and the DIF ensures deposit balances are fully protected.

Since the DIF was established, no depositor has ever lost a penny in any Massachusetts savings or cooperative bank.

open an account

Online Banking

other services

Scam Alert! It has been brought to our attention that scammers are calling customers from a spoofed caller ID showing as Cornerstone Bank and requesting confidential information. We will never call to ask you for your personal information. If you receive this call, hang up and call us directly at 800-939-9103 to report the call.

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Business Banking

We offer a full range of commercial banking deposit and loan products, as well as ATM and night depository services at many of our locations. Our business banking experts are also available for personalized attention, consultation and service. We can help you open a business bank account today.

Man at a table looking through charts in front of his laptop — Commercial Checking

Commercial Savings & Money Market Accounts

Woman smiling outside while drinking coffee and looking down at her phone — Commercial Services

Businesswoman shaking hands with a man — Meet Cornerstone Bank

Looking for a loan?

Our team of professionals is here to help with personal and business loans.

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Business Banking

Commercial Checking

Commercial Savings & Money Market Accounts

Commercial Services

Meet Cornerstone Bank

Looking for a loan?