aaff is a Dutch accountancy and advisory organization formed by the merger of Alfa Accountants & Advisors and ABAB. With over 180 years of combined experience, the company employs around 2,000 professionals across approximately 50 offices in the Netherlands. As an employee-owned firm, aaff promotes an open and social culture and has been recognized as a Certified B Corporation since 2014, highlighting its commitment to sustainability and conscious entrepreneurship.

The company offers a wide range of services tailored to entrepreneurs, small businesses, scale-ups, and large corporations. Its expertise includes accounting, auditing, strategic advice, compliance, and financial consultancy, with a focus on sustainable growth and financial clarity. aaff also provides international business services, such as VAT guidance, global mobility services, and transfer pricing, assisting clients in navigating complex cross-border tax and regulatory environments. By combining local knowledge with global reach, aaff positions itself as a strategic partner for businesses, dedicated to adding sustainable value for clients, employees, and society.