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Mortarboard from the STCU logo

Meet the team

contact us

(509) 344.2200 in Washington;
(208) 619.4001 in Idaho;
(877) 304.7185 toll-free; or

LiveChat instant messaging during weekday business hours.

You can also visit any branch location.

For larger commercial loans and lines of credit, call or visit STCU Commercial and Business Services on the seventh floor of the Hutton Building, 9 S. Washington St., downtown Spokane.

Helpful business documents

How to become a business member.

Join us as a business member — and open your accounts at the same time! It's easy to do.

Use the contact information to schedule an appointment with a member of the STCU Commercial and Business Services team. Then, find your business type from the list below to assemble all the necessary tax identification and documentation you'll need to complete your membership.

Our team will help set up your membership and review with you the options for reaching your business goals. Here are some of the key documents each business type needs to get started:

Sole proprietor.*

Tax ID#: Social Security number (SSN) or employer identification number (EIN) of the sole proprietorship.
Documents: Registration of trade name.

Limited Liability Company (LLC).*

Tax ID#: EIN of your LLC.
Documents: Formation documents; certificate of organization/formation; and operating agreement. (If the STCU members/managers are different from those listed in your operating agreement and/or if additional signers will be added, then the signed meeting minutes detailing these differences must be provided.)

Corporation.*

Tax ID#: EIN of corporation.
Documents: Articles of incorporation and by-laws; state filing of articles. Certificate of assumed business name, if business will be taking deposits under a name other than that listed in documents. (If the account signers differ from those in the company bylaws, or if additional signers will be added, then signed meeting minutes detailing these differences must be provided.)

Non-profit corporation.*

Tax ID#: EIN of nonprofit.
Documents: Same as corporation, above.

Partnerships.*

Tax ID#: EIN of partnership.
Documents: Partnership agreement. (Certificate of assumed business name if business is taking deposits under a name other than that listed in documents.)

Formal organization.*

Tax ID#: EIN of organization letter of authority or meeting minutes bylaws. (Applies to homeowners associations, or HOAs.)

Meet the team.

STCU's commercial and business services experts.

Business checking.

Your daily expenses account.

Business loans.

Lines of credit, term loans, and vehicle loans.

Money markets.

Earn dividends on liquid savings.


disclosures and glossary

*If applicable to your business type, all businesses must be registered with the Secretary of State in either Idaho or Washington and must meet membership eligibility criteria. This is a standard list; additional items may be required and may vary by state.

SSN=Social Security number
EIN=employer identification number
LLC=Limited Liability Corporation
HOAs=homeowners associations