Chartered Accountants · Siliguri, West Bengal

Trusted Financial & Tax Advisory You Can Count On

Agarwal Subham & Associates delivers professional audit, taxation, GST, and business advisory services with unwavering commitment to integrity and client success.

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🏛️ ICAI Registered Firm
✅ 500+ Happy Clients
📍 2 Office Locations
🔒 Confidential & Secure
⭐ 8+ Years of Excellence
📞 Same-Day Response
What We Do

Comprehensive CA Services

From income tax and GST to audits and company formation, we offer end-to-end financial and compliance services for businesses and individuals.

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Income Tax Services

ITR filing, tax planning, advance tax computation, demand notices, assessments, and appeals for individuals and businesses.

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GST Services

GST registration, monthly/quarterly return filing (GSTR-1, 3B, 9), reconciliation, advisory, and departmental representations.

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Audit & Assurance

Statutory audit, tax audit (3CD/3CB), internal audit, concurrent audit, and special purpose audit engagements.

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Company Registration

Pvt. Ltd. incorporation, LLP formation, partnership deed, sole proprietorship, and OPC registration with complete documentation.

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ROC Compliance

Annual filing (AOC-4, MGT-7), board minutes, statutory registers, MCA portal management, and corporate secretarial services.

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Accounting & Bookkeeping

Day-to-day accounting, Tally/QuickBooks management, MIS reports, P&L, balance sheet preparation, and bank reconciliation.

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500+
Clients Served
8+
Years of Practice
1000+
Returns Filed
2
Office Locations
Why Choose Us

A Partner You Can Trust for Every Financial Decision

CA Subham Agarwal leads a team that combines deep technical expertise with a genuine commitment to client success. We don't just file returns — we build long-term financial strategies.

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ICAI Qualified CA

Registered member of the Institute of Chartered Accountants of India with rigorous professional training.

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Timely Compliance

Never miss a deadline. We proactively track all your compliance calendars and file well in advance.

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100% Confidential

Your financial data is treated with strict confidentiality. We follow professional ethics at every step.

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Proactive Advisory

We identify tax-saving opportunities and business risks before they become problems.

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Digital-First Approach

Cloud-based accounting, digital document collection, and online portal for 24/7 document access.

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Personal Attention

Every client works directly with CA Subham Agarwal — not juniors. Real expertise, every time.

Industries We Serve

Expertise Across Every Business Sector

🚀Startups 🏭Manufacturing 🛒Retail & Trading 🏥Healthcare 💻E-commerce 🏗️Construction 🎓Education 🌿NGOs & Trusts
Meet the Leader

Professionally Qualified. Personally Committed.

CA Subham Agarwal - Chartered Accountant Siliguri

CA Subham Agarwal

Founder & Principal CA

ICAI-qualified Chartered Accountant with expertise in audit, direct & indirect taxation, and corporate advisory. Leads the firm from offices in Siliguri and Panitanki.

Audit & Assurance Income Tax GST Corporate Advisory
Client Testimonials

What Our Clients Say

★★★★★

CA Subham Agarwal has been managing our GST and income tax filings for over 3 years. Always proactive, never a deadline missed. Our business compliance is completely stress-free now.

R
Rajesh Gupta
Director, Gupta Traders, Siliguri
★★★★★

We approached AS&A for our company registration and ROC compliance. The process was smooth, transparent, and completed faster than expected. Highly recommend for startups.

P
Priya Sharma
Co-founder, TechStart Solutions
★★★★★

The tax audit conducted by CA Subham was thorough and professional. His team identified deductions we had been missing for years. Saved us significant tax outflow.

A
Anita Devi
Proprietor, Anita Medical Store
Knowledge Hub

Latest Tax & Finance Insights

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Income Tax June 2025

ITR Filing AY 2025-26: Complete Guide for Salaried Individuals

Everything you need to know about filing your income tax return for Assessment Year 2025-26, including deadlines and new changes.
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GST May 2025

GSTR-9 Annual Return: Step-by-Step Filing Guide for FY 2024-25

A comprehensive walkthrough of GST annual return filing including common mistakes to avoid and reconciliation process.
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Company Law April 2025

How to Register a Private Limited Company in India: 2025 Guide

Step-by-step process, documents required, costs involved, and timeline for incorporating a Pvt. Ltd. company in India.
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Frequently Asked Questions

Common Questions About Our Services

Still have questions? We're happy to answer them — contact us directly or WhatsApp us anytime.

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What is the last date for ITR filing in 2025? +
For non-audit cases, the due date is July 31, 2025 for AY 2025-26. For businesses requiring audit, the due date is October 31, 2025. We strongly recommend filing well before the deadline to avoid penalties.
What documents are needed for GST registration? +
You need PAN card, Aadhaar card, business registration proof, bank account details, address proof of business premises, and a photograph. Our team will guide you through the entire process.
How long does company registration take? +
Typically 7-15 working days for a Private Limited Company or LLP, subject to MCA processing time. We handle the entire process from DSC procurement to Certificate of Incorporation.
Do you serve clients outside Siliguri? +
Yes, absolutely. We serve clients across West Bengal and pan-India through our digital-first approach. Most services can be handled remotely via email, WhatsApp, and our client portal.
What is the cost of your CA services? +
Our fees are competitive and transparent. We offer packages for individuals starting from ₹1,500 for ITR filing, and customised plans for businesses. Contact us for a free consultation and personalised quote.
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Let's Build Your Financial Future Together

Get a free consultation with CA Subham Agarwal today. No obligation, no pressure — just expert guidance for your unique situation.

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