In this guide

  • Our verdict
  • Frequently asked questions
  • Your reviews
  • Ask a question
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Our verdict

Get access to advanced ESG screening tools while investing in commission-free stocks and exchange-traded funds.

Consider Fennel if you’re interested in environmental, social and governance (ESG) investing. Fennel provides investors with interactive company ESG report cards that offer metrics about points like their carbon footprint, use of green products and diversity of their management teams compared to other companies in the same industry. Fennel also doesn't participate in payment for order flow as a source of revenue, nor does it participate in securities lending.

The Fennel app also provides information about a company’s past and upcoming shareholder votes. For example, investors can see how shareholders in company XYZ voted on whether to report its child labor policies. But despite commission-free trades, joining Fennel requires a $4.99 monthly membership fee. Look elsewhere if you don’t want to pay a monthly fee to invest.

Best for: Investors who want to align their moral and social beliefs with their investing decisions.


  • Access to ESG screening tools with more than 200 data points
  • Commission-free stock and ETF trading
  • Custom order routing options
  • Details about past and upcoming company shareholder votes
  • No payment for order flow or securities lending
  • Certified B Corporation


  • $4.99 monthly membership fee
  • Limited to stock and ETF trading
  • Only self-directed brokerage cash accounts available

In this guide

  • Our verdict
  • Frequently asked questions
  • Your reviews
  • Ask a question

How we rate Fennel’s Features



Commission-free trades but a $4.99 monthly membership fee.
Available securities


Stocks and ETFs only.
Customer support


Contact Fennel support in two ways, with live support available Monday through Friday during market hours.
Mobile app


Both users on the Apple store and Google Play gave the Fennel app high ratings.
Research and tools


Fundamental data, valuation measures and access to shareholder voting information and ESG report cards with more than 200 ESG metrics.


No major power outages have been reported.

To learn how our star ratings are calculated, read our methodology at the bottom of the page.

Fennel is best for ESG Investors

Fennel offers robust research tools to help investors determine a company’s ESG profile and decide if its business practices align with their values.

But you should look elsewhere if you want access to a wider range of investment options or research tools that focus on more than just ESG factors.

What you can trade on Fennel

  • Stocks
  • Exchange-traded funds (ETFs)

Account types available with Fennel

  • Self-directed brokerage account

Where Fennel shines

Fennel stands out for its user-friendly trading app, ESG screening tools and ease of access to actionable company data, along with commission-free stock and ETF trading and custom order routing options. You can view where a company stands on human rights, environmentalism, leadership diversity and more. Fennel also gives you three order routing options so you can choose where your orders go if you want that control.

What’s more, and unlike much of the competition, Fennel doesn’t participate in payment for order flow, a controversial revenue stream for brokers that direct orders for trade execution to particular market makers. Securities lending, another revenue stream for many brokers that strips voting rights from the lender when their stocks are on loan, is another practice Fennel avoids. Voting rights and dividend payments stay with Fennel customers always.

If you’re looking for a broker that’ll help you invest with insight and control, Fennel’s worth your consideration. It’s also a B Certified Corporation, which means it’s gone through a third-party assessment that’s determined that Fennel meets high standards for social and environmental performance.

Where Fennel falls short

Fennel doesn’t offer access to many securities or account types. You can only trade stocks and ETFs through a regular brokerage account. You’ll have to look elsewhere for a more diverse lineup of investment options or if you want to invest through a retirement account.

Fennel fees

Fee typeFee amount
Membership fee$4.99 a month
Stock and ETF trades$0
Outgoing ACATS$75
Inactivity fee$0
Wire transfer (domestic and international)$8; $14
Returned check/wire$30
Returned ACH$20

Is Fennel legit?

Yes, Fennel is a legitimate SEC-registered broker-dealer. It’s also a member of the Financial Industry Regulatory Authority (FINRA) and the Securities Investor Protection Corporation (SPIC). The Fennel app is owned by Fennel
Markets and was launched in 2022.

Fennel’s platform is intuitive

Fennel’s platform and research tools are user-friendly. For example, you can pull up a company’s ESG score via an infographic showing how well they perform on efforts like keeping a low carbon footprint and energy usage.

This interactive infographic also provides quick facts like whether the company has a human rights policy and if their employment of women is below or above average compared to other companies in the same industry.

These are some of the tools you’ll be able to view and use through Fennel:

  • Basic charts
  • Company information
  • ESG score
  • Fundamentals, including revenue and earnings estimates and actuals, dividend yield and valuation measures
  • News
  • Executive team, board of directors and employee information
  • Shareholder voting information
  • Explore companies by industry theme or sector
  • Customer order routing options for potential best execution

Fennel’s app

The Fennel app is easy to navigate, and its interactive research tools are sleek and filled with digestible and actionable information. Take a look below.

Fennel phone app screenshot

Fennel reviews

App storeRatingTotal reviews
Google Play4.113
Apple Store523

Fennel customer support

Reach Fennel’s customer support in two ways.

  • Email support
  • Phone

How to open an account with Fennel

  1. Select the Download button on the Fennel homepage and scan the QR code with your mobile phone or download the app via Google or Apple.
  2. Enter your personal information like name address, birthdate and Social Security number.
  3. Submit application.

Eligibility and required information

  • Be at least 18 years old
  • Have a valid Social Security number
  • Have a legal US residential address (PO Boxes are not acceptable)
  • Be a US citizen or permanent resident or have a valid US visa

How safe is Fennel?

Fennel’s system is considered safe and secure. It uses the services of the third-party Plaid to securely link your bank account through multi-factor verification. Log in to your Fennel account via a passcode sent to your email instead of by password.

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Finder rating 4.6 / 5

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Get $100-$5,000 when you open and fund an account with $5,000 to $1,000,000+


How we rate trading platforms

★★★★★ 5/5 — Excellent

★★★★★ 4/5 — Good

★★★★★ 3/5 — Average

★★★★★ 2/5 — Subpar

★★★★★ 1/5 — Poor

We analyze top online trading platforms and rate them one to five stars based on factors that are most important to you. These factors include fees, securities available for trade, customer support, customer feedback, platform resources and overall reliability.

For a complete breakdown of how we score each category, read the full methodology of how we rate trading platforms.

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