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What Is a Business Money Market Savings Account — and Why It Might Be the Smartest Place for Your Company’s Cash

Many startups and small businesses park extra cash in checking accounts, missing out on thousands of dollars in potential interest each year. A business money market account (MMA) helps your surplus funds earn more without sacrificing access or flexibility.

As a digital-first bank built for entrepreneurs, Grasshopper understands that flexibility and return on capital are key to growth. Whether you’re extending runway or setting aside reserves, an MMA lets you make every dollar work harder while keeping liquidity when you need it most.

Polina Furman Content Marketing Intern
December 1, 2025

What Is a Business Money Market Account?

A business money market account is an interest-bearing deposit account designed for companies seeking higher returns on their cash without giving up access. It earns more interest than traditional savings accounts while often allowing convenient digital transfers and bill pay when needed.

Businesses commonly use MMAs to:

  • Build operating or emergency reserves
  • Earn higher returns on short-term surpluses
  • Set aside funds for taxes or major expenses
  • Manage cash flow between checking and investments
  • Save for planned growth initiatives or strategic opportunities
  • Keep funds accessible while earning more than a traditional savings account

By strategically using a business money market account, companies can turn idle cash into a tool for growth rather than letting it sit dormant. Whether it’s smoothing cash flow, funding upcoming initiatives, or building a financial cushion, an MMA gives your business the flexibility to act quickly while earning more on funds that would otherwise sit idle.

At Grasshopper Bank, our Innovator and Accelerator Money Market Savings Accounts are tailored for small business owners and founders with a digital-first mindset who value both growth and flexibility. Designed for businesses that prioritize online banking and streamlined cash management, these accounts offer high yields, above-average returns, seamless digital access, and liquidity when it matters most.

Why Your Business Needs a Money Market Savings Account

Leaving excess funds in checking means missing out on growth. A business money market savings account transforms idle cash into an income-generating asset that supports future investment. According to Bankrate, the national average savings APY is about 0.63% as of late 2025, meaning many businesses leave substantial earnings on the table. While 0.63% might seem small, the impact grows quickly as cash reserves increase. For example, a business with $500,000 parked in a typical savings account would earn just over $3,000 in interest over a year. Compare that to a business money market savings account, and that same balance could generate several times more — all without sacrificing access to funds.

This gap highlights a key opportunity: by strategically managing idle cash, businesses can make their money work harder, generating additional capital that can be reinvested in growth, operations, or reserves. In a competitive market, even modest interest gains can compound over time, freeing up resources that might otherwise go unused.

Key Benefits of a Money Market Savings Account

  • Higher yields — made your idle funds work harder than standard business savings accounts
  • FDIC-insured security — safeguard your funds up to $250,000 per depositor, per insured bank, per ownership category
  • Digital ACH transfers and bill pay — access and deploy your cash immediately without delays
  • Real-time account access — check balances, review transactions, and track interest from anywhere
  • Flexible access to cash —  withdraw or transfer funds quickly without penalties
  • Supports tax and payroll planning — keep money set aside and easily accessible for obligations
  • Separate accounts for earmarked funds — track funds for specific projects or growth initiatives
  • Simplified reconciliation — organize transactions to make accounting and reporting easier
  • Disciplined cash management — structure reserves and operating funds to scale responsibly

With Grasshopper’s digital-first money market savings accounts, your business can access everything it needs to manage cash efficiently while earning above-average returns. From real-time transfers to mobile-friendly bill pay, every feature is designed to keep your funds working as fast as you do, giving you the flexibility, visibility, and control to seize opportunities the moment they arise.

Business MMA vs. High-Yield vs. Traditional Savings

Here’s how the most common business savings options compare in yield, access, and flexibility:

FeatureBusiness Money Market Account (MMA)High-Yield Savings Account (HYSA)Traditional Savings Account
Interest RateHigh — often rivals HYSAsHighLow to moderate
Access to FundsACH, bill pay, transfersTransfers onlyIn-person or limited
Minimum BalanceModerateLowLow
LiquidityModerate-HighModerateHigh but lower yield
FDIC InsuranceYesYesYes
Best ForYield + flexibilityMax APY, less accessBasic reserves

Pros and Cons of Each Account Type

Business Money Market Account (MMA)

Pros

  • High yield returns
  • Tiered interest rates
  • Digital transfers and bill pay
  • Flexible liquidity
  • Integrated cash management
  • Supports multiple business needs
  • Scalable for growth
  • Reduces opportunity cost

Cons

  • May have transaction limits set by bank policy
  • Minimum balance requirements at some banks to earn full interest
  • Slightly more complex compared to standard savings

Grasshopper Advantage
Our Innovator and Accelerator Money Market Savings Accounts combine high-yield growth with modern convenience and powerful digital tools, giving you full ACH and bill-pay functionality, seamless integrations with our Innovator Business Checking and Accelerator Checking accounts, and access to your funds when you need it most.

High-Yield Savings Account (HYSA)

Pros

  • Competitive rates
  • Low minimum balances
  • Ideal for short-term savings goals
  • Automated deposits or transfers
  • Low maintenance
  • Simple online setup

Cons

  • Limited transfer options (no bill pay at many banks)
  • Often lacks business checking integration
  • Some banks may impose daily withdrawal limits

Traditional Savings Account

Pros

  • Minimal requirements
  • Low maintenance
  • Simple structure

Cons

  • Lowest interest rates
  • Limited functionality
  • Minimal earning potential
  • Lacks growth-focused tools

Which Account Fits Your Business Best?

Business GoalBest Account TypeWhy
Grow idle funds while maintaining liquidityBusiness Money Market Account (MMA) Earn higher interest while retaining access
Maximize APY on large balancesHigh-Yield Savings Account (HYSA)Prioritizes maximum rate over access
Maximize APY on large balancesTraditional Savings AccountSimplest option with lowest return

For most startups and small businesses, a business money market savings account delivers the right balance of growth potential and control with higher yields and easy access. With higher yields, easy digital access, and convenient tools for transfers and bill pay, it lets you manage cash efficiently, maintain liquidity, and respond quickly to opportunities or expenses as they arise.

How Grasshopper’s Money Market Savings Accounts Stand Out

Unlike legacy banks that rely on branch visits and paper processes, Grasshopper offers a smarter, more efficient way to manage your business cash:

  • Fully digital account opening in as little as 5 minutes from any device 
  • Higher rates than traditional savings accounts for better earnings
  • Full ACH and bill pay functionality
  • FDIC-insured up to $250,000 per depositor, per category
  • Access to enhanced FDIC insurance up to $125 million
  • 24/7 access to online and mobile banking for complete visibility
  • Seamless integrations and unlimited transfers

Whether you’re optimizing cash flow or preparing for your next round of growth, your savings should grow as fast as your business.

Ready to Put Your Business Savings to Work?

Every day your company’s cash sits idle, it’s leaving money on the table. With our Innovator and Accelerator Money Market Savings Accounts, you can open an account in minutes and start earning above-average returns on your business savings immediately. 

Thousands of small businesses and startups are already earning more and growing with Grasshopper — now it’s your turn! Apply today.

Polina Furman

Polina Furman is a content and marketing strategist with experience across fintech, venture capital, and Consumer Packaged Goods. At Grasshopper Bank, she supports the marketing team by analyzing competitive trends, refining social strategy, and creating high-impact content that strengthens the brand’s digital presence. Previously, she worked with SPIN Labs, a media and technology venture incubator, supporting early-stage startups through business development and investor outreach, and at HIRASKIN™, where she led B2B sales and marketing initiatives for luxury spa and hospitality clients.

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