Nyantakyi is a distinguished finance professional and a dual-qualified accountant, holding memberships with both the Association of Chartered Certified Accountants (ACCA) and the Institute of Chartered Accountants (Ghana). His extensive career spans over three decades, marked by deep expertise in external and internal auditing, corporate taxation, forensic accounting, and strategic financial management.
He began his accounting career in the United Kingdom, building a strong operational foundation through key roles at London Bricks Limited, Harland Simon plc, and the international accounting firm Stoy Howard. Returning to Ghana in 1994, he joined Oduro Adiyiah Osei & Co. (now MGI Hydefynn Osei & Co.) as Audit Manager in 1995, overseeing audit engagements across diverse business sectors.
Alongside his audit practice, Nyantakyi contributed significantly to academic and public sector financial development. Between 1995 and 1999, he lectured in Accounting at the Ghana Institute of Management and Public Administration (GIMPA), where he also served as Financial Controller from 1997 to 1999. His public policy and institutional reform expertise led to his appointment as the Financial Expert on a consulting team for the Ministry of Roads and Transport from 1999 to 2001, driving organizational restructuring across the ministry and its subsidiary agencies.
He later transitioned into public media governance, joining the Ghana Broadcasting Corporation as Director of Internal Audit (2001–2003) before serving as Director of Finance from 2003 to 2006. Since 2007, Nyantakyi has led K. Kye Accounting Services as Managing Principal, providing bespoke financial consultancy, auditing, and tax advisory services to corporate and institutional clients.
He began his accounting career in the United Kingdom, building a strong operational foundation through key roles at London Bricks Limited, Harland Simon plc, and the international accounting firm Stoy Howard. Returning to Ghana in 1994, he joined Oduro Adiyiah Osei & Co. (now MGI Hydefynn Osei & Co.) as Audit Manager in 1995, overseeing audit engagements across diverse business sectors.
Alongside his audit practice, Nyantakyi contributed significantly to academic and public sector financial development. Between 1995 and 1999, he lectured in Accounting at the Ghana Institute of Management and Public Administration (GIMPA), where he also served as Financial Controller from 1997 to 1999. His public policy and institutional reform expertise led to his appointment as the Financial Expert on a consulting team for the Ministry of Roads and Transport from 1999 to 2001, driving organizational restructuring across the ministry and its subsidiary agencies.
He later transitioned into public media governance, joining the Ghana Broadcasting Corporation as Director of Internal Audit (2001–2003) before serving as Director of Finance from 2003 to 2006. Since 2007, Nyantakyi has led K. Kye Accounting Services as Managing Principal, providing bespoke financial consultancy, auditing, and tax advisory services to corporate and institutional clients.