Business Ultimate Money Market Account
Grow Business Funds While Keeping Them Accessible

Boost Your Business Savings
Business Ultimate Money Market Features
No Monthly Fee*
Maintain an average daily balance of $5,000 or more, and we'll waive the monthly service fee.
Mobile Check Deposits
Deposit checks easily from your phone, so your business stays on the move.
Competitive Interest Rates
Earn variable-rate interest to help your business savings grow, while keeping funds liquid.
Check Writing Access
Enjoy the flexibility of writing checks directly from your account when needed.
Accepts Ongoing Deposits
Automatic transfers or manual contributions keep your savings on track.
Overdraft Protection
Link to a business checking account for added security and peace of mind.
You Might Also Like

Business Lending
Get the financing you need to grow—whether it’s for working capital, equipment, or commercial real estate, we offer flexible loan options and local decision-making.

Business Checking
Manage your business finances with accounts that work as hard as you do, offering flexible features and cash management solutions.

Credit Cards
Get the flexibility and rewards you need with a WaterStone Bank credit card—secure, convenient, and designed for your business.
What can we help you with?
Have questions about your banking needs? Our friendly team is here to help. Whether you’re opening your first account, choosing the perfect credit card, or planning your financial future, we’re ready to provide personalized support and guidance. Reach out to us by visiting your nearest branch, giving us a call, or making an appointment. WaterStone Bank is here to make banking easy and stress-free for you.
Customer Support Center
Visit a Branch
With 14 locations across Milwaukee, Waukesha, and Washington counties, our friendly team is ready to assist you with personalized service, expert guidance, and banking solutions tailored to your needs.
Schedule an Appointment
Save time by booking an appointment for personalized assistance. Open a new account, set up beneficiaries, or access services like notary, overdraft protection, and currency exchange.
Latest Insight & Education
Stay informed and empowered with our collection of articles and tools. Whether you’re looking to improve your financial knowledge or explore tips for better banking, our resources are here to guide you every step of the way.
*The Business Ultimate Money Market Annual Percentage Yield (APY) for each tier is based on a daily balance method: 0.40% on balances $24,999.99 or less, 1.15% on balances $25,000.00 to $49,999.99, 2.25% on balances $50,000.00 to $99,999.99, 2.50% on balances $100,000.00 to $249,999.99 and 2.75% on balances over $250,000.00. The APY in each tier is accurate as of 2/01/2023 and will be paid on the entire balance in the account. The minimum balance to open is $5,000.00. A minimum balance fee of $10.00 will be imposed monthly if the average daily balance for the statement cycle falls below $5,000.00. The average daily balance is calculated by adding the principal in the account for each day of the period and dividing that figure by the number of days in the period. A statement cycle may be from the first day of a month to the last day of that same month. Fees may apply and could reduce earnings. Account must be open and active for 180 calendar days or a $30.00 closing fee will be assessed at account closing. Contact a bank representative for additional product information or options that may be available to you. Offer subject to change at any time. REV41014