40 Years of Trusted GST, Tax & Advisory Excellence

Helping businesses navigate GST, Indirect Taxes, Direct Taxes and Litigation with clarity and confidence.

Specialists in GST Advisory, Compliance & Litigation

Sector-agnostic expertise backed by decades of practical experience and representational work.

Your Partner in Tax, Compliance & Strategic Decisions

From daily compliance to high-stakes litigation, we deliver reliable, implementable solutions.

Welcome to Deepak H Thakkar & Associates

Deepak Thakkar & Associates is a boutique Chartered Accountant firm based in Mumbai, rooted in more than 40 years of practice in Indirect Taxes, GST, Direct Taxes, Transfer Pricing and Litigation Support. Our approach is grounded in clarity, integrity, and practical implementation, serving clients across India and overseas.

We also work seamlessly through our network firm Ronak D Thakkar & Associates, enabling cohesive delivery across advisory, compliance and representation.

Services

At Deepak H Thakkar & Associates, we offer a broad spectrum of services designed to address the dynamic needs of businesses, professionals. With a focus on quality, compliance, and strategic insight, our offerings are tailored to help clients navigate complexity and achieve sustainable growth.

GST

Strategy · Compliance · Disputes

Comprehensive support across classification, valuation, place of supply, ITC optimisation, GST health checks, compliances, refunds, audits, notices, investigations and representation before authorities.

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Tax

Direct Taxes · TDS · Transactions

End-to-end direct tax services including advisory, individual & business filings, assessments, TDS reviews, withholding optimisation and regulatory compliance.

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Assurance

Audit · Controls · Reporting

Statutory audits, internal audits, GST audits, reconciliations, certification services and structured reporting with a strong focus on controls and transparency.

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Global

Cross-Border Advisory · Transfer Pricing

Transfer Pricing planning, benchmarking, documentation, 3CEB certification and cross-border tax advisory for global business structures.

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Our Team

A leadership-driven practice supported by a capable team and a trusted professional network — ensuring depth, reliability, and practical solutions for every engagement.

Careers

Looking to work in a knowledge-driven and growth-oriented environment? Join our team of professionals and interns dedicated to continuous learning, responsibility, and professional growth.

Blog Updates

Stay informed with curated updates, circulars, case laws, regulatory changes, and expert opinions. We bring you timely and relevant insights to help you make informed business and financial decisions.

Contact Us

Have a question or need assistance? Get in touch with us via phone, email, or through our secure contact form. We look forward to understanding your requirements and offering effective solutions.

News & Due Date Reminder and Blog

News

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Due Date Reminder

Jan Feb Mar Apr May June
July Aug Sep Oct Nov Dec
All
15 Jan 26 Statement of Foreign Remittances by Authorized Dealers for December quarter.
15 Jan 26 Uploading declarations received in Form 15G/15H for December quarter.
15 Jan 26 Contribution from Jul-Dec. Amount = No of employee as on 31 Dec X Rs 3
15 Jan 26 TCS Statements for December quarter.
15 Jan 26 ESI payment for December.
15 Jan 26 E-Payment of PF for December.
15 Jan 26 Details of Deposit of TDS/TCS of December by book entry by an office of the Government.
18 Jan 26 Payment of tax by Composition taxpayers for December quarter.
20 Jan 26 Monthly Return by persons outside India providing online information and data base access or retrieval services, for December. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India.
20 Jan 26 Add/amend particulars (other than GSTIN) in GSTR-1 of Dec. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
20 Jan 26 Summary Return cum Payment of Tax for December by Monthly filers. (other than QRMP).
22 Jan 26 Add/amend particulars (other than GSTIN) in GSTR-1 of Dec quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra an
22 Jan 26 Summary Return of December quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, And
24 Jan 26 Add/amend particulars (other than GSTIN) in GSTR-1 of Dec quarter by Quarterly filers in Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, Wes
24 Jan 26 Summary Return of December quarter by Quarterly filers in Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand or Odisha,
28 Jan 26 Return by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them, for December .
31 Jan 26 Annual Return by OPCs and Small Companies.
31 Jan 26 Filing of financial statements by Cos (Other than OPCs) for FY 2024-25 with the ROC. (30 days from AGM.)
31 Jan 26 Filing a report on Corporate Social Responsibility by every company covered u/s 135 of the Companies Act, 2013.
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