Open Business Account for Corporation | Business Banking CT | Ion Bank
diverse group of business people in a meeting

In Person

  • An authorizing representative must be present which may include President, Vice President, Secretary or Treasurer.
  • All authorized signers must be present at account opening.

Personal Identification

  • One form of a government-issued photo ID is required – CT Driver’s License, CT issued photo ID card or U.S. Passport
  • For individuals without a government-issued photo ID or an out-of-state government-issued photo ID, two or more identification documents must be presented. The combination of the documents must bear a photograph and proof of residence

Employer Identification Number (EIN) is required

Business Documentation

  • Certified copy of Articles of Incorporation
  • Non-profit corporations – IRS letter granting tax exempt status (Determination Letter)
  • Trade Name Certificate – required if your business is operating as a DBA (doing business as). Example: Jones Paint Supply Inc. DBA Ace Professional Painting

The following documentation may also be requested

Supplemental documentation listing the current Officers of the Corporation (one of the following):

  • State of Connecticut Amendment documents
  • If corporation was formed out of state, a certified copy of Certificate of Authority (Application for
  • Registration)
  • Meeting Minutes

All owners with 25% or more ownership and one individual with significant control

  • Legal first name and last name
  • Residential address
  • Percentage of ownership
  • Copy of government-issued identification
  • Date of birth
  • Social Security number

Additional information that will be requested at account opening

  • Business address
  • Phone number
  • Types of transactions and volumes you expect to process
  • Purpose of account
  • Nature of business
  • Additional information and documentation may be required based on nature of the business

If you have any questions, please contact us at 203.729.4442 or

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