Any eCommerce store's success is influenced directly by the online marketplaces used by store owners to list products. 

Your marketplace determines your reach, audience, overhead costs, and the rules and regulations you must comply with as a seller. Such factors can significantly affect your reputation and your popularity.

If you are an eCommerce business owner and are looking for a marketplace to sell your products, here is a comprehensive list of the top 20 eCommerce marketplaces in 2022:

1. Amazon 

Amazon is the top eCommerce marketplace of 2022 in the United States and has hit USD 280.5B in net sales as of 2019. It is exceedingly popular amongst online sellers, increasing competitiveness on the platform.

Sell on Amazon

Selling products on Amazon involves picking a plan, signing up with a seller account, and uploading your products.

Fees: 

Professional Sellers -

• A monthly subscription fee of $39.99
• Referral fees for each product sold (category-based)
• Variable closing fees (category-based)

Individual Sellers -

• No subscription fee
• $0.99 fee for each product sold 
• Variable closing fees (category-based) 

2. Walmart 

Walmart.com sees a staggering 127 million unique visitors each month. It sells all kinds of products and is consequently packed with competition. The approval process is also strict; however, it is worth the effort.

Sell on Walmart

Visit Walmart's website and complete the Marketplace Application. Upon getting approved, register yourself and complete your profile, upload products, enter bank account details, and start selling.

Fees: 

A referral fee as per the product category.

3. Kroger

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Kroger is the biggest grocery chain in America. Kroger grew its digital sales by over 58% in 2018 and secured the 86th rank on the Internet Retailer Top 1000 list. 

Sell on Kroger

Visit Kroger's Supplier Hub to apply for a vendor account. Get certified by a third-party agency, register yourself in the Supplier Management System, and satisfy Kroger's shortlisting criteria.

Fees:

Visit their website to learn about the different types of fees charged by Kroger.

4. eBay

eBay has over 182 million worldwide buyers and remains one of the biggest eCommerce marketplaces globally. It also offers free business consultation, Seller Development Resources, and a Business Efficiency Guide to better sell your products.

Sell on eBay

eBay offers a Quick Start guide that guides sellers on how to sell products in four easy steps on their platform. Create a "My eBay" page to answer queries and view sales data. 

Fees:

• Insertion fee - Upon creating your listing
• Final value fee - For each item sold

5. Chewy

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Acquired by PetSmart in 2018, Chewy.com is an enormous online marketplace for pet products and beat Amazon in pet items sold in 2018. Chewy is known for its excellent customer service and economical prices. 

Sell on Chewy

While Chewy mentions no specific steps to become a vendor, you can email them at vendor@chewy.com for further information.

Fees:

Chewy does not charge a membership fee. Visit their website to learn more.

6. Wayfair

Wayfair marketplace is ideal for selling furniture, home decor, mattresses, and household items. Wayfair has over 11 million active buyers and claims immensely high checkout averages, over $230 per transaction.

Sell on Wayfair

Upon receiving an order, Wayfair forwards it to the seller's warehouse, where you pick, pack, and ship the product to the buyer, with Wayfair bearing the shipping charges. 

Fees: 

Wayfair does not charge any fees but pays partners the wholesale charges of the products, then sells at a higher retail price.  

7. Costco

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Being one of the largest brick-and-mortar retailers in the US, Costco offers quality, bulk-buying, and value to its customers. Its warehouses are packed with top-notch brands and privately labeled items at below-market price-per-unit costs.

Sell on Costco

Contact the corporate office if you wish to acquire information on selling products on Costco. Contact the appropriate division office if you are a prospective vendor of food and sundry products.

Fees:

• Executive Membership: $120 annual charges
• Business Membership: $60 annual charges
• Gold Star Membership: $60 annual charges

8. Target

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Target is a retail giant both in physical stores and online marketplaces, with its eCommerce sales growing over 25% for five years consecutively. 

Sell on Target

Get in touch with the merchandising or sourcing team of Target and prepare a proposal to be submitted. Upon getting selected, you will have to sign up and create an account on Target's Partners Online portal.

Fees: 

5-15% commission rate or referral fee. 

9. Newegg

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Newegg is ideal for sellers that deal in hardware and electronics. With over 40 million customers in 20 countries, it is one of the leading electronics marketplaces on the internet. 

Sell on Newegg

Fill out the Seller Application on their website and, upon getting approved, start listing your products. You can ship the orders yourself or via SBN (Shipped by Newegg). Sellers get paid weekly.  

Fees: 

• Standard: No Fees (5,000 listings)
• Professional: $29.95/month (10,000 listings)
• Enterprise: $99.95/month (Unlimited listings)

10. Jet

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Owned by Walmart, Jet is an incredible platform for buying products in bulk since it rewards buyers with freebies and discounts depending on their cart value. 

Sell on Jet.com

All Jet Retail Partners must connect with Jet via API integration. You cannot manually upload listings via .csv and thus, must possess technical skills before applying to sell on Jet. 

Fees: 

For any item sold on Jet -

• Total Commission charged = Applicable Commission Rate * Retailer Price + Dollar Based Adjustments. 
• The Retailer Price = Product Price + Shipping Charges. 

11. Alibaba

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Alibaba is a Chinese eCommerce giant which boasts a market cap of over $400 billion. Alibaba accounts for about 80% of all online sales in China.

Sell on Alibaba

Sign up and set up an account on Alibaba, fill in your company's profile, and start listing your products.

Fees: 

Pricing depends on the product category and the specific Alibaba portal it is being sold on. Alibaba also charges subscription and transaction fees in some instances.

12. Etsy

Etsy is meant for crafters, collectors, and artists and is designed to sell handmade products created by sellers. This platform is used mostly by crafters or antique and vintage store owners looking to take their business online.

Sell on Etsy

• Sign up with an Etsy account
• Mention your store location and currency
• Pick a store name
• Set up a listing
• Establish a payment and billing method

Fees:

• Transaction fee (5%)
• Subscription fee (tier-based)
• Shipping fee  

13. Overstock

Overstock.com sells new home decor, bedding, furniture, apparel, and several other product classes. Overstock charges reasonably and offers an extensive product selection.

Sell on Overstock

Businesses and entrepreneurs who are part of Overstock's "Supply Network" can enlist their products on Overstock's online stores. 

Submit an online request form, and upon approval, upload your SKUs, images, and content. Finally, set your retail prices.

Fees:  

Listing fees lie between $0.10 to over $3. Overstock also demands additional fees for listing enhancements.

14. Cratejoy

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If your business deals in subscription boxes, Cratejoy is the ideal platform for you. This marketplace is the only one that deals in subscription boxes. Boxes of all sizes are sold on this marketplace in exchange for a monthly fee.

Sell on Cratejoy

• Assemble a prototype subscription box with a price tag
• Initiate your pre-launch phase
• Launch your website, marketplace listing, or both
• Start accepting orders and ship your subscription boxes

Fees: 

$39/month and a separate transaction fee.

15. Rakuten

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Typically referred to as "the Amazon of Japan," Rakuten is the largest B2B2C eCommerce platform in Japan and has undergone global expansion.

Sell on Rakuten

To sell on Rakuten, fill out the application process on their website. Manage your account and listings through their Seller Portal. Use the RMS web tool, Open API, FTP feed, or a third-party integrator to upload relevant documents.

Fees: 

Rakuten charges a commission of 8% to 15%, as per the product category.

16. Houzz 

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Houzz is a Scandinavian online marketplace with a variety of sellers that deal in over 900 categories of home products.

Sell on Houzz

Contact Houzz's Seller Support team to apply as a seller and once you get approved, start listing your products via Houzz Seller Central.

Fees: 

Houzz charges a 15% commission fee for each item sold.

17. Flipkart

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Flipkart is an Indian eCommerce corporation that deals in multiple product categories such as fashion, consumer electronics, home essentials, lifestyle products, and more.

Since India is a densely populated eCommerce market, global marketers must sell to India's massive consumer population of all ages to boost sales.

Sell on Flipkart

• Create an account on seller.flipkart.com
• Check the pin code
• Upload these documents -

1. GSTIN
2. Sample Signatures
3. A canceled cheque with your bank account number and IFSC code. 

• Verify your bank details and list at least one product.

Fees:

• Commission fee
• Shipping fee
• Collection fee
• Fixed fee

18. Mercado Libre

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Mercado Libre is an Argentine corporation that deals in eCommerce and online auctions. Mercado Libre sells in Argentina, Brazil, Bolivia, Colombia, Chile, Costa Rica, Dominican Republic, Spain, Mexico, Ecuador, Panama, Honduras, Guatemala, Peru, Uruguay, and Venezuela.

Sell on Mercado Libre

• Apply as a seller on Mercado Libre's website
• Create an account and fill in the relevant details
• Install the CedCommerce app to link your BigCommerce accounts and Mercado Libre and start selling

Fees:

• Mandatory - Selling and Shipping fees 
• Non-mandatory - Long-Term Storage and Pickup fees

19. Shopee

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Shopee is a Singaporean eCommerce platform currently operational throughout Southeast and East Asia and most countries in Latin America. It is a social-first, mobile-centric marketplace.

Sell on Shopee

• Open the Shopee sign-up page and fill in specific details.
• After creating your account, upload relevant documents.
• Enter details like your shop name and contact details, and upload your signature.
• Submit your form after checking the T&C section and wait for approval.

Fees:

Shopee does not charge any transaction fees, commission fees, or service fees.

20. Allegro

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Allegro is the largest Polish online marketplace and deals in fashion, electronics, childcare, and health. Allegro sellers sell new, used, and refurbished items. This platform is ideal for B2C brands and professional resellers looking to expand into Poland's growing online market. 

Sell on Allegro

• Fill out Allegro's registration form.
• Register your email address. 
• Perform a verification transfer.

Fees:

• Commission fees for each item sold
• Subscription fees
• Additional options fee
• Listing fee for creating offers