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About Us

Kumsay's Story and Team

General information about Kumsay's steady growth since 2010 and its current team of specialists.

Our Story

A continuous line of growth

2010

Kumsay was founded by CPA Mehtap Aydın and began providing accounting services to individual taxpayers.

2015

CPA Mustafa Çubuk joined as a partner; the scope of services expanded to include corporate taxpayers.

2018

The team of specialists grew alongside the increasing number of clients; a dedicated unit was formed for payroll and social security processes.

2026

Kumsay continues to enhance its service quality through ongoing legislative monitoring and digital processes.

Architectural view reflecting institutional history and continuity
Our Team

Our Team of Specialists

Kumsay's team includes certified public accountant partners and accounting specialists with diverse areas of expertise.

MA

Mehtap Aydın

Certified Public Accountant — Founding Partner

Accounting processes and financial reporting

Mustafa Çubuk

Certified Public Accountant — Partner

Tax legislation and corporate advisory

ST

Seher Toprak

Certified Public Accountant

Advisory processes and client relations

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Reach out to our team for more information about our services and processes.

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