Koster Accountants is an accounting and advisory firm based in Aalsmeer, Netherlands. Founded by Bart Koster, the company positions itself as a proactive and accessible partner for entrepreneurs, focusing primarily on small and medium-sized enterprises (SMEs), director-major shareholders (DGAs), and self-employed professionals (zzp'ers). They combine modern digital accounting tools with personal contact to offer services including financial administration, annual accounts preparation, tax advice, payroll services, and strategic business consulting.

Founded in

Netherlands