Open Business Account for Partnership | Business Banking CT | Ion Bank
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In Person

  • All general partners and 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

General Partnership

  • Partnership Agreement

Limited Partnership

  • Partnership Agreement
  • Certified copy of Certificate of Limited Partnership

Limited Liability Partnership

  • Partnership Agreement
  • Certified copy of Certificate of Limited Liability Partnership

The following documentation may also be requested

  • If formed out-of-state, Certified Copy of Certificate of Authority (Application For Registration)
  • Amendment(s) to the Partnership Agreement, if any

Owners/limited partners with 25% or more ownership and one individual with significant control

  • Legal First Name and Last Name
  • Residential Address (business address when the owner of the LLC is a business)
  • 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
  • Additional information and documentation may be required based on the nature of the business

Our goal is to make account opening experience all kinds of easier. If you have any questions, please contact us at 203.729.4442, toll free 877.729.4442 or

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