Insights

Expanding Market Reach SidelineSwap has established strategic partnerships with major retailers like Dick's Sporting Goods and Seel Inc., indicating a strong interest in expanding its recommerce services and increasing market penetration across the US sports retail industry.

Growing User Base With over 1.5 million athletes participating and more than 1 billion dollars in gear listed since 2015, the company demonstrates a robust and engaged community, presenting opportunities to upsell to active sports families and small businesses.

Innovation and Technology The launch of the Recommerce Platform and recent trade-in events highlight SidelineSwap’s focus on technological innovation and sustainability, opening avenues for collaborations with eco-conscious brands and retailers interested in circular commerce.

Funding and Investment Recent strategic investments from eBay Ventures and ongoing funding of up to 50 million dollars showcase investor confidence and financial stability, positioning SidelineSwap for potential new product offerings and geographic expansion.

Revenue Growth Potential With current revenues estimated between 25 and 50 million dollars and a proven track record of scaling through partnerships and platform innovations, there is significant potential for increasing sales through targeted outreach to sports retailers and athletes seeking affordable gear solutions.

SidelineSwap Tech Stack

SidelineSwap uses 8 technology products and services including Quantcast Measure, Facebook Pixel, Cloudflare, and more. Explore SidelineSwap's tech stack below.

  • Quantcast Measure
    Analytics
  • Facebook Pixel
    Analytics
  • Cloudflare
    Content Management System
  • Open Graph
    Content Management System
  • Lightbox
    Javascript Libraries
  • Prism
    Javascript Libraries
  • Ruby
    Programming Languages
  • iOS
    Programming Languages

Media & News

SidelineSwap's Email Address Formats

SidelineSwap uses at least 1 format(s):
SidelineSwap Email FormatsExamplePercentage
First@sidelineswap.comJohn@sidelineswap.com
35%
First.Last@sidelineswap.comJohn.Doe@sidelineswap.com
16%
Last@sidelineswap.comDoe@sidelineswap.com
14%
First@sidelineswap.comJohn@sidelineswap.com
35%

Frequently Asked Questions

Where is SidelineSwap's headquarters located?

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SidelineSwap's main headquarters is located at 52 Roland Street Boston, Massachusetts United States. The company has employees across 3 continents, including North AmericaEuropeSouth America.

What is SidelineSwap's phone number?

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You can contact SidelineSwap's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SidelineSwap's official website and social media links?

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SidelineSwap's official website is sidelineswap.com and has social profiles on LinkedInCrunchbase.

What is SidelineSwap's SIC code NAICS code?

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SidelineSwap's SIC code is 4813 - Telephone Communications, Except Radiotelephone NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does SidelineSwap have currently?

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As of February 2026, SidelineSwap has approximately 63 employees across 3 continents, including North AmericaEuropeSouth America. Key team members include Coo / Cfo: A. G.Chief Technology Officer, Founding Team: E. C.Vp Of Engineering: M. S. J.. Explore SidelineSwap's employee directory with LeadIQ.

What industry does SidelineSwap belong to?

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SidelineSwap operates in the Technology, Information and Internet industry.

What technology does SidelineSwap use?

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SidelineSwap's tech stack includes Quantcast MeasureFacebook PixelCloudflareOpen GraphLightboxPrismRubyiOS.

What is SidelineSwap's email format?

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SidelineSwap's email format typically follows the pattern of First@sidelineswap.com. Find more SidelineSwap email formats with LeadIQ.

When was SidelineSwap founded?

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SidelineSwap was founded in 2014.

SidelineSwap

Technology, Information and InternetMassachusetts, United States51-200 Employees

SidelineSwap makes it easy for athletes, fans and sports families to buy and sell their gear online. Since launching the marketplace in 2015, more than 1.5M athletes have joined SidelineSwap and listed more than $1B worth of gear for sale.

Our mission is to equip athletes to be their best. 

We offer customers the best selection of inventory, at the best prices, with easy access content, generated by a community of experts, so that they can confidently make their next purchase and perform at their best.  

And we empower every athlete, parent, coach, and small business to sell. Whether they're just clearing out last season’s gear, looking for a way to keep product on the field and out of a landfill, or building a sporting goods business, we’re here to deliver the best selling experience in sports.

Our team is based in Charlestown, MA. We value growth mindsets, trust, scrappiness, leading from everywhere, and a passion for delivering amazing customer experiences. 

Interested in joining us? Keep an eye out for opportunities @ sidelineswap.com/about

Section iconCompany Overview

Headquarters
52 Roland Street Boston, Massachusetts United States
Phone number
SIC Code
4813 - Telephone Communications, Except Radiotelephone
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2014
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    SidelineSwap's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    SidelineSwap's revenue is estimated to be in the range of $25M$50M

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