KHAN Ayub, Chartered Accountants is an independent professional services firm established in 2007 and based in Dhaka, Bangladesh. It helps local and international businesses navigate financial, tax, and regulatory challenges, drawing on local market knowledge and a range of professional expertise. The firm serves clients across sectors including textiles, real estate, agriculture, and nonprofit organizations.

Its services include statutory, internal, and special audits; accounting and corporate finance; corporate and personal taxation; and VAT and customs support. Tax services cover returns, assessments, hearings and appeals, advisory, exemptions, and transfer pricing. The firm also provides business and corporate support, including payroll and human resources, trade and commerce assistance, business process development, and consulting. Through its offshore business process outsourcing services, KHAN Ayub offers support informed by industry practices and technology.

The firm emphasizes professional expertise, experience, reliability, integrity, and client-focused service. It also provides assistance related to foreign donations and NGOAB-enlisted audits.