BILL Divvy and Mercury IO are both worthy entries on any list of the best business credit cards thanks to their solid rewards programs, helpful expense management features, and limited fees. As a startup owner, though, which card is actually the best choice for your business?
In this BILL vs. Mercury review, we’ll compare and contrast these two startup corporate cards and cover everything you need to know about each one. If you are trying to decide between the BILL Divvy corporate card and Mercury IO, here is all the info you need to make the right decision.
Our Pick: BILL Divvy
Transform your business finances with BILL Divvy's all-in-one platform that combines powerful expense management and flexible spending controls with industry-leading rewards rates of up to 7x points on common business purchases.
Get StartedBILL Divvy vs. Mercury IO At a Glance
| Feature | BILL Divvy | Mercury IO |
|---|---|---|
| No annual fee |  |  |
| Regular APR | None | None |
| Welcome bonus | $500 (when you spend $500) | None |
| Rewards | 1.5%-7% cash back | 1.5% cash back1 on all purchases |
| Additional Products Offered | Accounts receivable (AR), & accounts payable (AP), spend & expense management, etc. | Spend management tools, business checking and savings accounts2, venture debt financing3, etc. |
| Get Started | Get Started |
What Is BILL?
BILL offers a cloud-based financial operations platform that streamlines AR, AP, and spend management for businesses. The BILL Divvy credit card integrates with the company’s broader suite of financial tools, offering automated expense management, real-time spending controls, and rewards optimization.
Who Is BILL Divvy Best For?
BILL Divvy is ideal for growing, small to medium-sized businesses that want comprehensive expense management integrated with their accounting workflows — particularly those already using BILL's payment services or who need granular spending controls across multiple departments.
What Is Mercury?
Mercury is a fintech company that provides banking and treasury services specifically designed for startups and technology companies. The Mercury platform combines business checking accounts, savings products, and the Mercury IO credit card in a modern, tech-forward interface. Mercury focuses on delivering features tailored to high-growth companies, including API access, team management tools, and venture capital networking opportunities.
Who Is Mercury IO Best For?
Mercury IO ideally suits tech startups, digital-first companies, and venture-backed businesses that prioritize streamlined banking operations, startup-friendly features like API access, and extensive partner discounts on business software and services.
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Experience streamlined business payments with no monthly fees or minimum balance requirements.
Get StartedBILL Divvy vs. Mercury IO: In-Depth Features Comparison
Choosing the right business credit card can significantly impact a company's financial operations and growth potential. Modern entrepreneurs need cards that balance competitive rewards with practical features like expense management and integration capabilities. Here's how the BILL Divvy and Mercury IO cards stack up across key criteria.
Fees
ƒñØ Tie
Both BILL Divvy and Mercury IO offer zero-annual-fee credit cards, demonstrating their commitment to accessible business financing. Both provide unlimited virtual cards at no additional cost, and late payment fees are standard and comparable between the two providers.
Rewards
ƒÅå BILL
The BILL Divvy card edges out the Mercury IO card with its tiered rewards structure, offering up to 7x points on restaurants and 5x points on hotels when paying in full, and 1.5x to 2x points on other common business categories. The Mercury IO card's flat 1.5% cash back is simpler, but less lucrative for high-spending businesses. The BILL Divvy card's flexible redemption options through the BILL travel portal provide additional value.
Eligibility Requirements
ƒñØ Tie
Both cards require business registration and bank account verification. Both accept various business structures from sole proprietorships to corporations although neither accepts businesses in restricted industries.
Customer Support
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Each provider offers support through multiple channels, such as phone, email, and chat. Both are known for responsive service and dedicated account managers for larger clients. User reviews indicate similar satisfaction levels with support quality and resolution times.
Expense Management
ƒÅå BILL
The BILL Divvy card's expense management features are more comprehensive, offering automated receipt matching, custom spending controls, and advanced budget tracking tools. While the Mercury IO card provides basic expense categorization, the BILL Divvy card's integration with the broader BILL ecosystem enables more sophisticated expense workflows and approval chains.
Funding Options
ƒÅå Mercury
Mercury stands out with its flexible funding options, including quick ACH transfers and wire capabilities. Mercury Treasury4 accounts offer competitive yields, and the platform supports multiple funding sources. The BILL Divvy card's funding options are more limited, typically requiring manual bank transfers with longer processing times.
Credit Limits
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Both providers determine credit limits based on business revenue, bank account activity, and credit history. Starting limits typically range from $5,000 to $250,000. Both offer credit limit increases based on payment history and spending patterns with similar review processes.
Partner Discounts
ƒÅå Mercury
Mercury's partnership program includes substantial discounts on popular business tools and services. This provider’s partnerships span essential categories like cloud services, marketing tools, and productivity software.
BILL vs. Mercury: Pricing Plans
Understanding the pricing structures of both platforms is essential for businesses to evaluate their total financial technology costs. While Mercury offers tiered banking plans, BILL takes a simpler approach with the company’s Spend & Expense solution.
BILL
BILL offers a single, unified plan called Spend & Expense that includes the BILL Divvy credit card and core expense management features. This plan provides businesses with an extensive feature set at no monthly cost. Below are the most noteworthy features included in BILL’s Spend & Expense plan.
Spend & Expense (Free)
Notable Features:
- Unlimited virtual cards
- Spend and expense management features
- Real-time transaction tracking
- Budgeting and proactive spend controls
- Easy employee reimbursements
Mercury
Mercury structures its banking services across three plans: Mercury, Mercury Plus, and Mercury Pro. Each tier builds upon the previous one by adding features tailored to different business stages and needs. Plans differ in their transaction limits, support levels, and access to premium features. Below are the notable features included in each plan.
Mercury (Free)
Notable Features:
- Corporate debit and credit cards
- Up to 4.69% yield
- Unlimited invoice generation
- Reimbursement for up to five users per month
Mercury Plus ($35/ Month)
Notable Features:
- Recurring invoicing
- Ability to process up to 20 bills per month
- Branded invoices
- Reimbursement for up to 20 users per month
Mercury Pro ($350/ Month)
Notable Features:
- Ability to process up to 250 bills per month
- Reimbursement for up to 250 users per month
- NetSuite integration
- Relationship manager
The Bottom Line
For businesses seeking a comprehensive spend management solution with robust expense tracking capabilities, the BILL Divvy card emerges as our top recommendation. Its seamless integration with accounting workflows, customizable spending controls, and generous rewards program make it particularly valuable for growing companies that prioritize financial visibility and control.
However, the Mercury IO card remains an excellent choice — especially for tech startups and digital-first companies. Mercury’s banking suite, combined with the Mercury IO card, offers unique advantages that include competitive Mercury Treasury yields, extensive partner discounts, and developer-friendly features.
Both platforms offer strong solutions with no annual fees, but your choice should align with your business's specific needs — whether that's BILL's superior expense management and rewards or Mercury's banking integration and startup-focused features.
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Get started with automated expense management and earn up to 7x reward points on business spending.
Get StartedFrequently Asked Questions
What is Bill.com?
Bill.com is a comprehensive expense management software designed to simplify spend management for small businesses and startups. It offers virtual cards and integrates seamlessly with major accounting software to provide an efficient solution for managing bill payments. The platform is renowned for streamlining the accounts payable and receivable processes, making it easier for companies to manage their finances effectively.
What is Mercury?
Mercury is a fintech company aimed at entrepreneurs, startups, and venture capital firms. They provide a full suite of banking products including a checking and savings account, corporate cards, and more.
Which is best for startup banking?
For a startup banking solution, the best option depends on your business needs. However, we recommend Mercury because it offers venture debt for venture-backed startups, along with traditional banking services.
What is the minimum credit score for Divvy business credit card?
The minimum credit score required to qualify for a Divvy Corporate Card from Bill.com is considered to be good or very good. While the exact number is not specified, a good credit score generally starts around 670.
Is Mercury a real bank?
Mercury is a financial technology company that works with Choice Financial Group, Column N.A., and Evolve Bank & Trust; Members FDIC.
Is BILL the same as Divvy?
Yes, Divvy is the credit card brand from Bill.com. The Divvy Card integrates seamlessly with Bill.com's expense management software.
- The IO Card is issued by Patriot Bank, Member FDIC, pursuant to a license from Mastercard®. To receive cash back, your Mercury accounts must be open and in good standing, meaning they cannot be suspended, restricted, past due, or otherwise in default. ↩︎
- Mercury is a financial technology company, not a bank. Banking services provided through Choice Financial Group, Column N.A., and Evolve Bank & Trust; Members FDIC. ↩︎
- Mercury’s Venture Debt and Working Capital loans are originated from Mercury Lending, LLC (NMLS: 2606284) and serviced by Mercury Servicing, LLC (NMLS: 2606285). ↩︎
- Mercury Treasury is offered by Mercury Advisory, LLC, an SEC-registered investment adviser. This communication does not constitute an offer to sell or the solicitation of any offer to purchase any security. Funds in Mercury Treasury are subject to investment risks, including possible loss of the principal invested, and past performance is notindicative of future results. Please see full disclosures at mercury.com/treasury. Mercury Advisory is a wholly-owned subsidiary of Mercury Technologies.
Mercury Treasury is not insured by the FDIC. Funds in Mercury Treasury are not deposits or other obligations of Choice Financial Group, Column N.A., or Evolve Bank & Trust, and are not guaranteed by Choice Financial Group, Column N.A., or Evolve Bank & Trust. ↩︎