SidelineSwap Employee Directory
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.