About Us

Born in Ankara in 1983, Serdar Tasdoken graduated from Anadolu University’s Economic Faculty, majoring in Labour Economics and Industrial Relations. In 2015, he completed his master’s degree in International Tax Law with distinction (LLM) at Bournemouth University. Additionally, he graduated from Maltepe University’s Faculty of Law in 2019 and is pursuing his Doctorate in Private Law at Istanbul Medeniyet University.
He began his career in 2005 as an Assistant State Accounting Specialist at the General Directorate of Public Accounts within the Ministry of Finance. Throughout his tenure, he worked in several units of the Ministry of Finance, developing expertise in various areas, including public expenditure legislation and auditing. His experience extends to tax investigation. As part of their in-service training, he acted as the training coordinator for assistant inspectors in the Ministry of Finance. Additionally, he was an instructor in the seminars offered for personnel in other units within the Ministry.
In 2016, he established Denklem Sworn-in Certified Public Accountancy and Auditing Inc. It provides complete certification and consultancy services on company and labour law to businesses in diverse sectors, particularly in construction, iron and steel, plastics, and tourism. Additionally, in collaboration with TNS Tax Limited, established by the founder in 2018 and headquartered in London, England, it offers global tax consulting and auditing services to companies operating overseas and VAT refund and tax inspection consultancy.
He took part in studies undertaken by the “Strengthening Equity Working Group” and the “Improving the Startup Ecosystem Working Group” in the Tax Council and the “Working Life Development Working Group” in the Coordination Board for the Improvement of the Investment Environment.
He has over forty tax, accounting, and law articles published in peer-reviewed journals. He is fluent in English.

Mission

 
With our extensive audit experience and dynamic staff. we have the mission to reach the most up-to-date information in the fastest way possible and to find solutions for our customers so that they do not encounter any problems about fiscal subjects again.

Vision

 
Our vision is to always rise in the field with different perspectives and to take place among the permanent. pioneering, modelled initiatives and to always reach the customers who operate in national and international field.

Our Service Policy and Ethics

We Make A Difference In Consulting
We provide instant. solution-oriented and multilateral guidance to our customers by providing permanent, guiding and educational solutions to tax problems.
We Guide You Through The Way
We support our customers to make the most optimal decisions to ensure that they do not encounter any tax problems in the future of their business life.
We Believe In The Professional Ethics Principles
We take every responsibility to act in the public interest. We are acting in a way that can adapt to the changing needs of our customers in the globalizing world: knowing that honesty, impartiality, professional competence and care, confidentiality and professional behaviour are necessary for a professional ethic environment. 

Contact us for questions, opinions and suggestions.

Yeşilbağlar Mahallesi Dumanlar Sokak
Helis Gold Ofis No: 1 Daire: 11
Pendik/İstanbul

+90 216 451 10 37

+90 552 691 59 67

If you want, you can leave your phone number and we return to you. If you wish, by means of mail, we answer your questions about anticipated subjects.