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Radar · Horizontal E-Commerce in Illinois

Best Horizontal E-Commerce Companies in Illinois, United States

The 40 best Horizontal E-Commerce companies in Illinois, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Groupon.

40companies tracked
$1.1Bdisclosed funding
0unicorns
9have raised

Ranked: Best Horizontal E-Commerce companies in Illinois

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackRecent signals
1Groupon
Online marketplace offering deals on multi-category products and services
$950M187 mo agoPublicEric Lefkofsky
Co-Founder
2007TurbopackSentryZendesk+35—
2uBid Deals
Online Auction and Fixed Price Merchandise
$73M140 mo agoAcquired—1997——
3BuyItNow
Online product discovery platform for multi-category products
$23M—Early StageGreta Salsbury
Owner
2001——
4Tradepost
Operator of platform facilitating instant offers for various collectible items
$5M11 mo agoSeries AAlexander Perez
Co-Founder & CTO
2024Node.jsTypeScriptGraphQL+12—
5MightyNest
Online marketplace for multi-category consumer products
$685K174 mo agoSeedKristen Conn
Co-Founder
2008Cart FunctionalityRubyFacebook Login+26—
6RentStuff
Online B2C rental platform offering multi-category products
$675K—Acqui-HiredChristopher Jaeger
ex-CEO/Co-Founder
2011——
7EduLender
Online price comparison platform for multi-category products
$560K188 mo agoSeedSue Khim
CEO
2009——
8BayRu
Online retailer offering multi-category products
$523K178 mo agoDeadpooled—2007——
9Ubid Holdings
Online auction platform offering multi-category products
$250K183 mo agoEarly StageSal Esposito
Founder & COO
1997——

Top 11 Horizontal E-Commerce companies in Illinois

#1
Series A · Chicago, Illinois · founded 2024
$4.6Mraised
▾

Operator of platform facilitating instant offers for various collectible items. The platform allows users to sell tickets, sports cards, trading cards, sealed wax, autographs, sneakers, vinyl, comic books, magazines, consoles, and video games. It also supports the sale of smartphones, handbags, designer clothes, streetwear, watches, laptops, Labubu, coins, Legos, jewelry, and vintage items. Furthermore, the platform facilitates transactions for books, eyewear, fine wine, stamps, bobbleheads, cars, domains, fine art, condos, and startups.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 708 LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
  • Sep 2025Series A$4.6M
Founders & team
Alexander PerezCo-Founder & CTOTyler MozeleskiCo-Founder & CEO
Tech stack
Amazon Web ServicesApolloGraphqlHstsMailgunNext.Js
#2
Public · Chicago, Illinois · founded 2007 · 1582 employees
$950Mraised
▾

Online marketplace offering deals on multi-category products and services. The company offers deals on massage, travel, food, electronics, spa & sauna, dancing & fitness, water parks, beverages, and more.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 358k LinkedIn followers — 99.4% of this cohort's audience · 10 engagements/post (1.8× cohort median)
Funding rounds
  • Jan 2011Series D$950M
  • 2008Seed—
Founders & team
Eric LefkofskyCo-FounderBrad KeywellCo-FounderAndrew MasonCo-Founder
Investors
Andreessen Horowitz, Kleiner Perkins, New Enterprise Associates, TCV, Alpha JWC Ventures, Deeperwater Ventures
Tech stack
AddshoppersAmazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesApollo
#3
Acquired · Itasca, Illinois · founded 1997 · 10 employees
$73Mraised
▾

uBid is an online marketplace that connects brand name sellers with customers. It includes an online auction platform and fixed-price shopping website that offers goods both directly from by the company and also products offered by businesses through a uBid Certified Merchant Program. It provides both new and refurbished consumer electronics, home goods, jewellery, watches. and more.

Funding rounds
  • Dec 2014Post IPO$2.1M
  • Jun 2013Post IPO$2.1M
  • Apr 2012Post IPO$10M
  • May 2011Post IPO$250K
Investors
Eight Mercatus
#4
Early Stage · Chicago, Illinois · founded 2001
$23Mraised
▾

Online product discovery platform for multi-category products

Funding rounds
  • PE$23M
Founders & team
Greta SalsburyOwner
Investors
Emmis Communications, Star Media Network
#5
Seed · Evanston, Illinois · founded 2008 · 24 employees
$685Kraised
▾

Online marketplace for multi-category consumer products. It provides both a resource center as well as a marketplace with toxin-free home products. Through the resource center, customers can research safety issues as well as research on how to reduce exposure to toxic chemicals and environmental hazards found in the home.

Funding rounds
  • Mar 2012Seed$685K
Founders & team
Kristen ConnCo-FounderChristopher ConnCo-Founder & CEO
Investors
FireStarter Fund, Washing Pond Ventures, MATH Venture Partners, Topping Capital, Drumbeat Ventures, Foley Ventures
Tech stack
CloudflareHttp/3
#6
Acqui-Hired · Chicago, Illinois · founded 2011
$675Kraised
▾

Provider of a person-to-person rental marketplace where users can rent and lend. The company provides an online platform that lets users rent out their own stuff to people nearby in order to make extra cash.

Founders & team
Christopher Jaegerex-CEO/Co-FounderRobert Jaegerex-COO/Co-Founder
Investors
Jumpstart Foundry
#7
Seed · Chicago, Illinois · founded 2009
$560Kraised
▾

Online price comparison platform for multi-category products

Funding rounds
  • Dec 2010Seed$560K
Founders & team
Sue KhimCEO
#8
Deadpooled · Morton Grove, Illinois · founded 2007 · 25 employees
$523.5Kraised
▾

Online retailer offering multi-category products. The product catalog includes electronics, toys, home decor, apparel, fashion accessories, beauty & wellness, furniture, kitchen appliances, homeware, and more

Funding rounds
  • Nov 2011Seed$523.5K
#9
Early Stage · Chicago, Illinois · founded 1997 · 10 employees
$250Kraised
▾

Online auction platform offering multi-category products

Founders & team
Ketan ThakkerChairman & CEOSal EspositoFounder & COO
#10
Deadpooled · Chicago, Illinois · founded 2010
$75Kraised
▾

Goshi is a mobile, location-based application for discovering, buying and selling items in the neighborhood. It offers a 3 touch experience when posting using the smartphone’s camera. It reduces fraudulent transactions by using profiles and physical devices. Hubs are used to define a physical space, such as a coffee shop, as the local spot for in-person exchanges of goods. It has full integration with Twitter and Facebook. All listings have comments that allow other community members to create a discussion around an item or negotiate a price for an item and to connect with others.

Funding rounds
  • Jun 2011Seed$75K
Founders & team
Jack EisenbergCo-FounderChad LomaxCo-Founder
Investors
Excelerate Labs, Pritzker Group, Techstars
#11
Funding Raised · Chicago, Illinois · founded 2005 · 1800 employees
$10Kraised
▾

Internet first brand offering eco-friendly multi-category products. The product catalog includes shoes, handbags, keychains, and pet accessories. The products are made of vegan and eco-friendly material.

Funding rounds
  • Jan 2022Grant (prize money)$10K
Founders & team
Justin WalkerCo-Founder & COO
Investors
JPMorgan Chase, West Side United
Tech stack
American ExpressApple PayCart FunctionalityCloudflareGoogle AnalyticsGoogle Pay

Funding & investor landscape

$1.1Btotal disclosed funding
11companies funded
13disclosed rounds
0rounds last 90 days
Most active investors
Techstars2 rounds
113venture.com1 rounds
185 Ventures1 rounds
Alpha JWC Ventures1 rounds
Andreessen Horowitz1 rounds
Arizona Bay Consulting1 rounds
Atairos1 rounds
Battery Ventures1 rounds
Bond Capital1 rounds
Capital Union Investments1 rounds

Notable founders

Alexander Perez
Co-Founder & CTO · Tradepost
Tyler Mozeleski
Co-Founder & CEO · Tradepost
Eric Lefkofsky
Co-Founder · Groupon
Brad Keywell
Co-Founder · Groupon
Greta Salsbury
Owner · BuyItNow
Kristen Conn
Co-Founder · MightyNest
Christopher Conn
Co-Founder & CEO · MightyNest
Christopher Jaeger
ex-CEO/Co-Founder · RentStuff
Robert Jaeger
ex-COO/Co-Founder · RentStuff
Sue Khim
CEO · EduLender
Ketan Thakker
Chairman & CEO · Ubid Holdings
Sal Esposito
Founder & COO · Ubid Holdings
Prism market signals · United States · country-scoped Prism corpus, 16,613,714 docs

Market landscape — 10 sub-themes by coverage

Share of Horizontal E-Commerce coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

Common questions

How many Horizontal E-Commerce companies are there in Illinois, United States?
Radar tracks 40 indexable Horizontal E-Commerce companies headquartered in Illinois, United States that meet our profile-completeness bar.
What is the total funding raised by Horizontal E-Commerce companies in Illinois, United States?
The Horizontal E-Commerce companies in Illinois, United States on this list have raised a combined $1.1B in disclosed equity funding across 11 funded companies.
Which is the highest-funded Horizontal E-Commerce company in Illinois, United States?
Groupon is the highest-funded Horizontal E-Commerce company in Illinois, United States, with $950M in disclosed equity funding.
How many Horizontal E-Commerce companies in Illinois, United States are funded?
11 of the 40 Horizontal E-Commerce companies in Illinois, United States on this list have disclosed at least one equity funding round.
How many Horizontal E-Commerce unicorns are there in Illinois, United States?
None of the Horizontal E-Commerce companies in Illinois, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Illinois, United States Horizontal E-Commerce companies?
The most active investors in Illinois, United States Horizontal E-Commerce companies on this list include Techstars, 113venture.com, 185 Ventures, Alpha JWC Ventures, Andreessen Horowitz.
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