Our Mason City State Street location is currently under construction. 

During this time the lobby will be closed and the Drive-Up & ATM/ITM will remain open. For full banking services, please visit the Mason City West location at 2601 4th St SW Mason City, IA. Thank you for your patience!

Treasury Management

Services to Help Your BusinessFirst Citizens Treasury Management logo

What is Treasury Management?

Treasury Management (TM) is a term used to refer to the activities and processes involved in managing a business's money.

We listen. We partner. We solve.

female qorker checking out customer with card processing machine

Treasury Management is a department that works with specialized banking services, tailored to address the specific needs of businesses and nonprofits. These services focus on optimizing cash management, mitigating risk and improving operational efficiency — empowering your organization to function more effectively.

Tasks may include:

  • Cashflow management
  • Credit card processing
  • Payroll solutions
  • Day-to-day operations like banking and invoicing.

Treasury Management Services

finger pressing button on card processing machine


Card Processing Services

Accept credit and debit card payments from your customers.

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Payroll & HR Administration Services

Effectively pay and manage employees with Paychex.

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Invoicing & Payments

Use Autobooks to manage invoicing, payments, and more within business online and mobile banking.

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ACH Services

Collect and submit payments electronically to and from your customers’ accounts.

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Digital Deposit

Deposit checks right from your workplace without having to come to the bank.

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Contact Our Treasury Management Team

We're here to help your business succeed. Contact our Treasury Management team to get started!

Sensitive Information
Tiffany Nonnweiler
Tiffany Nonnweiler VP, Treasury Management Location: Mason City West 641-380-3315 Email Me
Allison Verstegen
Allison Verstegen Treasury Management Associate Location: Mason City West 641-380-3366 Email Me
Natalie Cook
Natalie Cook Treasury Management Associate Location: Charles City 641-257-5048 Email Me
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