Comprehensive Tax & Compliance Services

Expertise for individuals, businesses and charitable organisations

Income Tax Filing, Advisory & Representation

We prepare and file Income Tax Returns for individuals, businesses, firms, companies, and trusts—covering everything from routine filings to complex tax audit cases. Beyond compliance, our advisory services help you plan strategically to minimize tax liability and make the most of available deductions and exemptions. We also represent clients before Income Tax Authorities during assessments, scrutiny, or appeals, ensuring expert guidance and end-to-end support for a stress-free tax season.

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GST & Indirect Tax Services

From GST registration to monthly and annual filings, we manage your indirect tax obligations so you remain compliant at state and national levels. Our team handles classification, invoicing and credit reconciliation for hassle-free GST compliance.

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Accounting & Bookkeeping

Accurate and timely accounting lies at the heart of good financial management. We offer end-to-end bookkeeping, financial statement preparation and reporting services to help you stay on top of your numbers and make informed decisions.

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Trust, NGO & FCRA Compliance

We provide end-to-end services for charitable and religious organisations, including registration under 12A & 80G, Form 10AB filings, trust audits, NGO Darpan & CSR registrations, and full FCRA compliance. From initial registration to annual reporting, we ensure your organisation meets every regulatory requirement with precision and transparency.

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NRI Tax & Compliance Advisory

Specialised solutions for Indian expatriates and returning residents, covering cross-border taxation, double tax avoidance, and remittance planning. Our experts simplify complex NRI compliance matters, ensuring accurate filings and strategic tax planning for assets and income in India and abroad.

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Business Setup, TDS & Payroll Compliance

From registering your business to managing ongoing tax obligations, we provide comprehensive support for entrepreneurs and established enterprises alike. Our services cover company incorporation (proprietorships, partnerships, LLPs, and private limited companies), MSME/Udyam registration, and PAN/TAN applications. We also handle periodic TDS filings, Form 24Q/26Q submissions, salary structuring, and payroll tax compliance—ensuring your business stays fully compliant while avoiding costly errors or penalties.

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Financial Insights & Updates

Expert Analysis from Our Chartered Accountants

January 2025

Tax Planning Strategies for HNIs in 2025

Comprehensive guide to optimizing tax liability for high-net-worth individuals under the new tax regime. Our experts analyze the latest amendments and provide actionable strategies for wealth preservation.

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December 2024

Audit Compliance Checklist for Tamil Nadu Businesses

Essential audit requirements and compliance deadlines for businesses operating in Tamil Nadu. Stay ahead of regulatory requirements with our detailed compliance calendar and best practices.

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November 2024

GST Updates and Impact on Vellore Industries

Latest GST rate changes and their impact on key industries in Vellore and surrounding regions. Our analysis helps businesses adapt to new regulations and optimize their GST strategy.

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Luxurious office interior with dark wood and marble desk

Professional Insights for Smarter Financial Decisions

Heritage of Excellence Since 1986

For over 40 years, Thanu Associates has been the trusted partner for individuals, businesses, and charitable organisations across India and abroad. From our base in Nagercoil’s commercial heart, we deliver precise, confidential, and strategic tax, GST, compliance, and advisory solutions.

Our expertise spans income tax return filing, GST services, trust registration under 12A/80G, FCRA consultancy, corporate compliance, and complex NRI matters. Blending traditional values with modern, remote-friendly practices, we go beyond compliance—protecting and strengthening your financial legacy with clarity and confidence.

40+ Years Experience Established 1986
Thousands Served Across Individuals, Firms & Trusts
Unmatched Trust 158 Verified Reviews
★5.0 Rating
— The Partners

Our Story & Milestones

A legacy built on trust

1986
FOUNDATION • Thanu Associates was founded in Nagercoil to deliver trusted audit and tax consultancy services.
2015
NEW HEADQUARTERS • Moved into a custom-built office in Vadasery, marking a new chapter of growth and stability.
2021
NEW LEADERSHIP, RENEWED VISION • Midhu’s leadership ushered in a new era, blending modern tax expertise with innovative technology to elevate our legacy.
2024
40 YEARS OF LEGACY • With four decades of trust, Thanu Associates continues to serve clients across India and abroad — expanding into Virtual CFO services and strategic financial advisory.
2025
AI-Powered Transformation • Building on our heritage, we harness AI through Fnbill and our in-house platform Margaret to redefine compliance, automation, and client service for the future.

Frequently Asked Questions

Answers to common queries

What services does Thanu Associates provide?

At Thanu Associates, we simplify the complex. From structuring your business finances to navigating cross-border tax matters, we deliver strategic, compliant, and future-ready solutions. We work with individuals, businesses, charitable institutions, and NRIs — ensuring every decision is backed by clarity, precision, and four decades of expertise.

Can you work with clients outside Tamil Nadu or overseas?

Yes. We support clients across India and abroad through secure, remote-friendly processes. Whether you’re an NRI navigating double taxation or a startup registering in India, our systems allow us to deliver the same level of precision and confidentiality no matter where you are.

Do you only work on tax and compliance?

Not at all. While tax and compliance are our foundation, we also act as strategic partners — advising on financial planning, governance, business expansion, and wealth preservation so you can focus on growth while we handle the details.

Private Consultation

For inquiries, kindly write to:

Our Office in Vadasery, Nagercoil

Thanu Associates

209B, Thanu Building First Floor
Opp. Vadasery Bus Stand Near, Vadasery, Nagercoil
Tamil Nadu 629001, India

Phone: +91 98403 96493

Email: contact@thanuasociates.in

Business Hours: Monday – Friday, 10:00 AM – 5:30 PM

“All consultations are conducted in the strictest confidence.”

Service Areas

We proudly serve clients across India and abroad, including Nagercoil, Chennai, Bengaluru, Mumbai, Delhi and beyond. Our remote-friendly team can assist you wherever you are located.

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