GSR Markets is a broker dealer firm based in London, United Kingdom that gsr is a crypto trading firm and market maker founded in 2013, with operations in london and other financial hubs. it provides market making, otc trading, risk management and structured products to token issuers, exchanges and institutions. it reports over 300 employees and licenses or authorizations across the us, uk, singapore and switzerland. in october 2025 gsr agreed to acquire portland-based equilibrium capital services, an sec-registered broker-dealer and finra member, and later received finra approval to complete the acquisition, giving gsr a regulated us broker-dealer operating as gsr securities llc. this registration supports treasury and institutional digital-asset services in the united states. They serve clients in US, UK, Singapore, Switzerland. GSR Markets is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/gsr-markets.