At Castine, we equip asset managers and brokers with smarter, and more efficient ways to handle commissions, CSA tracking & reconciliation, research budgeting, payments, compliance, compensation and research management solutions (RMS). Trusted by 2,000+ firms—from boutique shops to $1.5T giants, we simplify the complex with secure, scalable technology tailored to each environment.

Our edge? A multi-asset, multi-OMS trade reporting engine, plus AI-driven tools crafted for firms who crave clarity. Whether you’re on the buy or sell side, Castine connects the dots by bridging workflows, boosting transparency, and ensuring compliance without compromise.

This isn’t plug-and-play software. It’s infrastructure with staying power: 10+ years average client retention, teams in five countries and platforms custom designed and built to grow with you.