Cartesian FinOp Partners was “Built for Users, By Users”. We sit at the intersection of Finance/Accounting and Investment Operations, serving Family Offices, Private Investment Funds, and Small & Medium Enterprises (SMEs). Emanating from the middle and back office of a London-based single-family office with operations in four countries, we service over 60 entities, including an investment vehicle holding over 40 different investments, such as private funds and portfolio companies.