Our new online and mobile banking apps are now live. Click the 'Online Banking' link at the top of the page for the web version or click the store links below to download the new apps.

Groton Bank Online provides a more seamless experience accross all of your devices and includes new features, such as chat support, more integrated card controls and alerts, spending habits, and more enhanced account security. Your current online credentials will carry over, so there will be no need to re-enroll. Please visit the FAQ page here for more information.

Take an FNBG branch with you and bank like usual — at home, office, or on the go — with our full suite of services.

Online & Mobile Banking

  • Fast, free, secure, and easy-to-use service for Groton Bank customers
  • Manage a number of banking activities anytime, anywhere with internet access:
    • View account balances and history
    • Transfer funds between accounts (one-time and recurring transfers)
    • Make loan payments
    • Deposit checks
    • Access eStatements
    • View checks posted to your account
    • Manage debit cards
    • Submit stop payments
    • Chat for support
    • Get alerts on account and card activity
    • And more
  • Use this service in two convenient ways:

Online Banking Agreement

Before you can begin using our digital banking services, you’ll need to first check out our online banking agreement. Give it a look right here.

Got a Question?

Find an answer about online banking and bill pay here in our FAQ.

Mobile Deposit

  • Deposit checks anytime, anywhere from your mobile phone
  • Free service for customers with a FNBG checking account
  • Deposit your check with a few taps of your finger
  • Save time, avoid unnecessary trips to a branch

Mobile Deposit Enrollment Instructions:

  • In the Groton Bank Online app, tap the menu button in the top left-hand corner and then tap on ‘Deposit Checks’
  • Enter the requested information (first name, last name, confirm email) and tap ‘Continue’
  • Select all accounts for which you plan to use mobile deposit, and tap ‘Done’
  • Tap ‘I Agree to Terms and Conditions’
  • A confirmation screen will appear informing you that your request was submitted and it needs to be authorized (this usually takes one business day)

How to Submit a Mobile Deposit

  • From the Groton Bank Online app, tap the menu button in top left-hand corner and then tap on ‘Deposit Checks’
  • Tap the 'Make a deposit' button near the top of the screen
  • Follow steps on the following pages — ensure all images are clear and legible
  • Tap ‘Submit’ if everything looks OK, change any information that doesn't look right, or the back buton if you would like to start over
  • A confirmation message will appear

Additional Details

Looking for more information on the ins & outs of our mobile deposit feature? Head here for more.

Mobile Payments

  • Available through Apple Pay®, Google Pay®, or Samsung Pay™
  • Make purchases quickly and securely with your mobile device
  • Pay in an easier way — no more counting change or carrying cards
  • Easily set up payment information
  • Add multiple cards to your device for extra convenience
  • Keep purchases private — card data is never directly transmitted to retailers
  • Easily protect your accounts if you lose your device

To Learn More

Bill Pay

  • Pay one-time or recurring bills with ease:
    • Schedule payments in advance
    • Set up payment reminders
    • Ensure payments are received on time
    • Have all payee information in one convenient place
    • Retain funds until paper drafts are presented for payment
  • Service is free for the first 6 months; $2.95 monthly fee afterwards
  • Avoid paper clutter
  • More secure than paper billing
  • Make more time for yourself; fewer bank trips necessary
  • Print or download to popular financial management software

Got a Question?

Find an answer about online banking and bill pay here in our FAQ.


  • Save paper and save the environment
  • Fast, free, and easy alternative to paper statements
  • Easier to retrieve info when needed
  • Eliminate a paper trail
  • Reduce chances of fraud and identity theft
  • Arrive faster than paper statements
  • Simplify recordkeeping
  • Easily access past statements
  • Ability to download for permanent storage or print if needed
  • Receive email notice when new eStatement is ready

1There is no fee from the First National Bank of Groton. Connectivity and usage rates may apply. Contact your wireless service provider for more details.