Insights

Strategic Partnerships SidelineSwap has active and growing partnerships with major retailers such as DICK'S Sporting Goods and Seel, presenting recurring cross selling and white-label recommerce opportunities that can be expanded to additional brands, leagues, and regional retailers.

Recommerce Growth The company specializes in new and used sporting goods resale with a platform that supports trade-in events and a recommerce ecosystem, offering potential for OEMs and brands to run official trade-in programs or certification-backed resale.

Scale & Reach With 1.5 million athletes listing over a billion dollars in gear and a revenue range of several tens of millions, SidelineSwap presents a sizable audience for premium and concussed-free inventory campaigns, plus opportunities to expand into new sports categories and regions.

Marketplace Enablement Investors and tech partners can explore co-developments around trust, returns assurance, and seller tooling, leveraging SidelineSwap’s return assurance collaboration with Seel and integrations powered by their tech stack.

Funding & Growth With recent funding rounds and venture backing (including eBay Ventures) and a clear plan to scale recommerce services, there are opportunities to engage in strategic sales, channel partnerships, and enterprise-level collaborations with retailers seeking to expand used-sports gear programs.

SidelineSwap Tech Stack

SidelineSwap uses 8 technology products and services including Hotjar, iCIMS, Cloudflare, and more. Explore SidelineSwap's tech stack below.

  • Hotjar
    Analytics
  • iCIMS
    Applicant Tracking Systems
  • Cloudflare
    Content Management System
  • Figma
    Design
  • Font Awesome
    Font Scripts
  • Lightbox
    Javascript Libraries
  • Prism
    Javascript Libraries
  • Android
    Programming Languages

Media & News

SidelineSwap's Email Address Formats

SidelineSwap uses at least 1 format(s):
SidelineSwap Email FormatsExamplePercentage
First@sidelineswap.comJohn@sidelineswap.com
53%
First.Last@sidelineswap.comJohn.Doe@sidelineswap.com
25%
Last@sidelineswap.comDoe@sidelineswap.com
22%

Frequently Asked Questions

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.

How much revenue does SidelineSwap generate?

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As of July 2026, SidelineSwap's annual revenue is estimated to be $25M - $50M.

What is SidelineSwap's SIC code NAICS code?

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SidelineSwap's SIC code is 5961 - Catalog and Mail-Order Houses NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does SidelineSwap have currently?

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As of July 2026, SidelineSwap has approximately 59 employees across 3 continents, including North AmericaEuropeSouth America. Key team members include Chief Technology Officer, Founding Team: E. C.Principal Software Engineer: V. V.Software Engineer: F. P.. 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 HotjariCIMSCloudflareFigmaFont AwesomeLightboxPrismAndroid.

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.

How much funding has SidelineSwap raised to date?

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As of July 2026, SidelineSwap has raised $13M in funding. The last funding round occurred on May 04, 2023.

When was SidelineSwap founded?

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SidelineSwap was founded in 2014.
SidelineSwap logo

SidelineSwap

Technology, Information and InternetMassachusetts, United States51-200 Employees

SidelineSwap operates an online marketplace that facilitates buying and selling sports gear. The platform serves athletes, fans and sports families, offering access to a broad inventory of new and used equipment. Since its 2015 launch, more than 1.5 million athletes have joined the platform and listed more than $1 billion in gear.

The company is based in the Boston area, with its team centered in Charlestown, Massachusetts, and operates within the technology, information and internet sector. Recent partnerships include a 2024 agreement with Dick's Sporting Goods to extend recommerce services nationwide, and a 2025 collaboration with Seel to offer Return Assurance on used gear.

Section iconCompany Overview

Phone number
SIC Code
5961 - Catalog and Mail-Order Houses
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2014
Employees
51-200

Section iconFunding & Financials

  • $13M

    SidelineSwap has raised a total of $13M of funding over 9 rounds. Their latest funding round was raised on May 04, 2023as a series_a.

  • $25M - $50M

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

Section iconFunding & Financials

  • $13M

    SidelineSwap has raised a total of $13M of funding over 9 rounds. Their latest funding round was raised on May 04, 2023as a series_a.

  • $25M - $50M

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

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