Our Approach


We are only as good as our people. Our directors lead the delivery of all services, ensuring clients benefit from the comprehensive attention afforded by a single, senior point of contact.

Antonis Theodorou
Head of Assurance and Advisory

Antonis studied and trained in the United Kingdom as an auditor. He holds a BA (Hons) in Accounting and Finance from Leeds Beckett University and he is a qualified Chartered Certified Accountant. Upon his return to Cyprus in 2011, he joined ATCA and founded the assurance and advisory department of the firm, which he now leads.


Constantinos Markou
Head of Tax Services

Constantinos is a Fellow Chartered Certified Accountant and holds an Advanced Diploma in International Taxation from the Chartered Institute of Taxation of the United Kingdom.  He joined ATCA in 2017 to strengthen the tax services of the firm. Prior to ATCA, he worked in a large corporate service provider and has spent more than a decade providing tax services to international business companies.


Andreas Theodorou
Head of Accounting and VAT

Andreas holds a BBA in Accountancy from the City University of New York. He founded ATCA as a sole practitioner in 1998. His drive, determination and focus on quality work, resulted in an increased number of clients and the formal incorporation of ATCA in 2005.


Androniki Hadjicharalambous
Financial Controller & Payroll

Androniki joined ATCA in 2005 and she is currently acting as the internal financial controller of the firm. She handles the finances and cash-flows and makes sure that our profitability is up to the desired level. Her skills in prudent financial management and budgeting are significantly contributing to the success and continued growth of the firm.



Institute of Certified Public Accountants of Cyprus (“ICPAC”)

ICPAC is the only recognized body that can regulate and supervise the accountancy profession in Cyprus

Association of Chartered Certified Accountants (“ACCA”)

ACCA is the global body for professional accountants.


We are an approved employer under the ACCA practicing certificate scheme.