While we are pleased to provide partial access to some branch lobbies, please know that online and mobile banking, drive-up and telephone are still the best ways for you to work with Greylock, now and for the foreseeable future. These great services not only provide improved convenience, they also provide enhanced safety for you and our staff.

We are available 24/7 at (413) 236-4000

For Updated Branch Hours CLICK HERE

For Member Updates CLICK HERE

For Business Member Updates CLICK HERE

Business Services

Night Depository

No time to make it to Greylock after work? Make a night deposit drop!

The deposit bag and its contents will be processed the next business day and a credit will be made to your business checking account. These deposits are subject to the same terms and conditions applicable to “in person” deposits at any of our offices.

Merchant Card Services

We offer Merchant Credit Card services in cooperation with Rock Business Solutions. Today, half of all payments nationally are made electronically. Rock Business Solutions has been providing merchant credit card services and equipment for over 25 years. Put their vast experience, competitive pricing and outstanding customer service to work for your business.

Call us
(413) 236-4000

Rock Business Solutions
(413) 499-5547

Interest on Lawyers Trust Accounts

IOLTAs provide accounts for attorneys to deposit clients funds with the earnings remitted to a designated Trust by Greylock

  • No minimum balance is required.
  • No monthly activity or maintenance fee charges.
  • Your statement of activity and check images will be sent to you shortly after month’s end.

See how an IOLTA account may work for you! Call (413) 443-5943 or send us an email

Other Business Services

  • VISA Debit Card
  • Notary Services
  • Signature Guarantees – Medallion Program
  • Treasurer’s Checks
  • Money Orders
  • Traveler’s Cheques
  • Electronic Transactions (ACH and Wire Transfers)
  • Collection of Foreign and Domestic Checks
  • Business Tax Payments Accepted


(413) 443-5934


(413) 443-0095


(413) 442-2662