“Can a 35-year vertical SaaS incumbent for private clubs turn embedded payments, AP, and compliance into a durable second act under Constellation ownership?”
Jonas Club Software is a vertical SaaS provider for private clubs (golf, country, city clubs) operating for 35+ years and serving ~2,300 clubs in 20+ countries. Owned by Constellation Software (Canadian serial-acquirer of vertical software). Historically an on-premise club management, POS, and back-office platform, it has been layering embedded finance in recent years — most notably Jonas Payments, CSI Pay (embedded AP with rebate revenue), and Stripe-powered mobile POS card acceptance — moving toward being the financial system of record for clubs.
Jonas Club Software processes payments through Stripe, Jonas Payments (self-operated) and CSI Pay.
Jonas Club Software's payroll is powered by ClubPay (self-operated).
The Embedded Finance Index 2026 maps 2 layers in Jonas Club Software's stack: Payments / PSP (Stripe, Jonas Payments (self-operated) and CSI Pay); Payroll (ClubPay (self-operated)).
Jonas Club Software is founded in 1990 and headquartered in Markham, Ontario, Canada.
Jonas Club Software's acquisitions include MembersFirst.
Get a read on where your own stack stands against Jonas Club Software and the rest of its category — what they built versus bought, which providers they use, and where the gaps in your own strategy and competitive set actually are.