About the Firm

Professional CA office workspace

M J Thacker & Co was established in 2010 as a professionally managed Chartered Accountancy firm. We provide a wide spectrum of professional services including statutory audit, taxation, accounting, corporate compliance, and business advisory matters.


Our Team

The firm's strength lies in its blend of experienced leadership and a dedicated support execution team, ensuring every client receives personalized attention backed by multi-disciplinary expertise.

CA Mihir Thacker, FCA, DISA(ICAI), ACMA - Proprietor, M J Thacker & Co

CA Mihir Thacker (FCA, DISA(ICAI), ACMA, B.Com)

As the proprietor of the firm, CA Mihir Thacker brings over 15 years of experience. A Fellow Chartered Accountant (FCA) and Cost Accountant (ACMA), he specializes in statutory audits and Information Systems Audit (DISA).

He also holds a Certification in AI for Finance (Level 1), enabling the firm to offer AI & Productivity Solutions that automate tax reconciliations and financial reporting through modern technology and intelligent workflows.

CA Preeti Thacker (ACA)

Qualified in 2013, CA Preeti Thacker brings over 13 years of post-qualification experience to the firm. She leads the Indirect Tax and Litigation wing, specializing in end-to-end GST compliance, Income Tax planning, and representing clients before departmental authorities. Her deep expertise in handling complex tax litigation and scrutiny assessments ensures that our clients remain compliant while optimizing their tax positions.

Execution & Support Team

Our office is powered by a core team of experienced commerce graduates. This dedicated staff handles the essential functions of routine coordination, Tally/ERP data management, documentation work, and the preparation of statutory filings. Their systematic approach ensures high accuracy and timely compliance, providing a seamless experience for our clients during audit and tax seasons.


The website is intended to provide general information about the firm and its leadership. The content herein is presented for informational purposes and should not be treated as legal or financial advice without a specific professional consultation.