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
| Website | https://sidelineswap.com |
| Revenue | $25.9 million |
| Employees | 59 (39 on RocketReach) |
| Founded | 2014 |
| Address | 52 Roland St, Boston, Massachusetts, US |
| Phone | +1 347-559-7927 |
| Technologies |
JavaScript
,
HTML
,
Twitter
+31 more
(view full list)
|
| Industry | Retail, Technology, Information and Internet, Sporting & Recreational Equipment Retail, Marketplace, Commerce and Shopping, Sporting Goods, Sports |
| Web Rank | 76192 |
| Web Visits | 553290 |
| Keywords | Sports Equipment Marketplace, Sports Equipment Online, Online Sporting Goods, Team Sports Gear, Youth Sports Equipment, Sports Collectibles |
| Competitors | Meta, eBay for Business, Depop, Poshmark, OfferUp, Reverb, craigslist, Kijiji Canada, letgo, Swappa +32 more (view full list) |
| SIC | SIC Code 594 Companies, SIC Code 59 Companies, SIC Code 593 Companies |
| NAICS | NAICS Code 459 Companies, NAICS Code 451 Companies, NAICS Code 45 Companies |
Looking for a particular SidelineSwap employee's phone or email?
The SidelineSwap annual revenue was $25.9 million in 2026.
Alex Goldman is the COO and CFO of SidelineSwap.
39 people are employed at SidelineSwap.
SidelineSwap is based in Boston, Massachusetts.
The NAICS codes for SidelineSwap are [459, 451, 45].
The SIC codes for SidelineSwap are [594, 59, 593].