Tired of all the big bank fees?
3.50%* APY Business Money Market Promo
St. Mary’s Bank is a member-owned credit union. Membership opened to anyone with purchase of one share of capital stock for $5. Federally Insured by NCUA. Equal Opportunity Lender
© 2025 St. Mary’s Bank - 200 McGregor Street Manchester, NH 03102. All rights reserved.
Voted Best Credit Union
-New Hampshire Business Review BOB Award
Best of the 603, Credit Union
-Manchester Radio Group
A Best Company to Work For
-Business NH Magazine
Best Community Bank
-Derry News
Gold Level Lender
- New Hampshire Housing
Top NH Lender
-The Warren Group
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Business Banking
On daily balances of $250,000+.
- $2,500–$24,999 earn 1.00% APY
- $25,000–$49,999 earn 1.50% APY
- $50,000–$74,999 earn 2.00% APY
- $75,000–$149,999 earn 2.50% APY
- $150,000–$249,999 earn 3.00% APY
- $250,000 and over earn 3.50% APY
Three free debits per statement cycle
Free ATM and online access
Cash Management Services
No Fees for 12 months*
From cash flow management to fraud protection, St. Mary's Bank's cash management services keep your day-to-day operations running safely and efficiently.
- ACH & Wire Services
- Business Cash Management Sweep
- Positive Pay
- Remote Deposit Capture
Business Cash Management Sweep
Reduce interest expense and enhance your return on surplus funds
Establish a target balance for your checking account, and any surplus funds will be automatically transferred to a tiered-rate investment account to maximize your return. When operating funds fall below your targeted level, funds will also be automatically transferred into your checking account from a sweep deposit account to meet your operating needs.
- Geared for small to medium-sized businesses
- All balance tiers earn interest
- No monthly maintenance or sweep fees
- Minimum target balance in the associated checking account: $10,000
Business Checking Options
Managing the daily cash flow of your company is simplified with our commercial checking solutions designed to meet the specific needs of your business operation. Enjoy surcharge-free ATM access when using St. Mary's Bank ATMs, SUM®, or CO-OP® network ATMs. Easily manage your account through free online or mobile banking.
*Annual Percentage Yield (APY) accurate as of 4/1/25. Rates and terms subject to change without notice and after the account is opened. The APY in effect at account opening is determined by your opening balance. Minimum daily balance of $2,500 required to earn interest. Not available for funds currently on deposit with St. Mary’s Bank. Must have a St. Mary’s Bank Business checking account to qualify. Limit one promotional rate money market per member. Monthly service fee of $10 waived when minimum daily balance remains above $2,500. Fees may reduce earnings.
*Business checking required. New business member accounts only.
*Debit = any item payable to a third party. The terms and fees listed are subject to change without notice.
Get a trusted banking partner, free account analysis, and low-cost Cash Management.
Connect with a Business Development Officer
Tina Brown
VP, Business Development Team Lead
tbrown@stmarysbank.com
Office: 603-629-1441
Cell: 603-464-9242
Serving the Seacoast
Visit me on LinkedIn
Jasmine Long
Business Development Officer
Greater Manchester
jlong@stmarysbank.com
Office: 603 629-1602
Serving Greater Manchester
Visit me on LinkedIn
GET STARTED
Connect with a Business Development Officer
Tina Brown
VP, Business Development Team Lead
tbrown@stmarysbank.com
Office: 603-629-1441
Cell: 603-464-9242
Jasmine Long
Business Development Officer
jlong@stmarysbank.com
Office: 603 629-1602
It's our mission to help members achieve their financial goals by providing best-in-market service and trusted financial advice.
90,000+ Members | 13 Locations
HUDSON • LONDONDERRY • MANCHESTER • MILFORD • NASHUA PORTSMOUTH • NORTH HAMPTON • CONCORD (Summer 2025)
"I love the fact that St. Mary's is a local bank supporting our local community, not some far away state with people who are not from our community. the various services available are excellent."
-Francois, Hooksett, NH
Get the mobile experience with a
4.9 rating
Secure 24/7 access and control over your accounts in one place, monitor your credit score, remotely deposit checks, access finance tools, and more.
Already a member | Login to online banking to open!
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Better Business Checking
Designed for small businesses
- No monthly maintenance fee
- Unlimited credits
- 100 free debits; $0.45 per debit* thereafter
Business Advantage Checking
Designed for small to medium-sized businesses
- Unlimited credits
- 200 free debits; $0.45 per debit* thereafter
- $25,000 minimum combined average balance in deposit and loan accounts to waive $15 monthly maintenance fee
Community Checking
Designed for non-profit community organizations
- No monthly maintenance fee
- Interest-bearing account
- Unlimited credits
- 100 free debits; $0.45 per debit* thereafter
Our Business Development team is committed to building strong relationships and providing best-in-market service to businesses, nonprofits, and community members to help them thrive.
David Dearborn
Business Development Officer
Greater Nashua
ddearborn@stmarysbank.com
Office: 603 881-4105
Serving Greater Nashua
Visit me on LinkedIn
David Dearborn
Business Development Officer
ddearborn@stmarysbank.com
Office: 603 881-4105
Elizabeth Boudreau
Business Development Officer
Greater Portsmouth/Seacoast
eboudreau@stmarysbank.com
Cell: 978 855-2620
Serving the Seacoast
Visit me on LinkedIn
Elizabeth Boudreau
Business Development Officer
eboudreau@stmarysbank.com
Cell: 978 855-2620
We believe in banking that puts #YouFirst
Keith Rose
Business Development Officer
Greater Concord
krose@stmarysbank.com
Cell: 401 338-9142
Keith Rose
Business Development Officer
krose@stmarysbank.com
Cell: 401 338-9142