+91 72780 14180
Kolkata, West Bengal
Registered · ICAI Certified
Available for Consultation · Mon–Sat
🌐 deinrimapp.in/avinash-ca

Expert GST & Tax
Compliance Partner
for Your Business

Comprehensive GST advisory, company registration, TDS/TCS returns, and 12+ compliance services — managed by a certified Chartered Accountant (CA) with 10+ years of experience.

500+
Happy Clients
10+
Years Experience
12+
Services Offered
📋
GST Advisory Services
End-to-end GST compliance support
GST Registration & Amendment
Monthly & Annual Returns (GSTR)
E-Invoice & E-Way Bill Generation
TDS Returns & TCS Refund
🏢
Business Registration
Legal setup & compliance for businesses
Company & LLP Registration
Trade Mark & IE Code Registration
FSSAI, PAN & Aadhaar Services
PF / ESI & Professional Tax
🎓
CA Certified
ICAI Registered
📅
10+ Years
Tax & Compliance
🤝
500+ Clients
Across Industries
⚡
Fast Turnaround
Same-day Responses
🔒
100% Confidential
Data Privacy Assured
Our Services

Everything Your Business
Compliance Needs

From GST registration to life insurance — all professional compliance and financial services under one roof.

Enquire on WhatsApp
📋

GST Registration & Amendment

New GST registrations, amendments to existing registration, and cancellations handled end-to-end.

🗂️

GST Monthly & Annual Returns

Accurate and timely filing of GSTR-1, GSTR-3B, GSTR-9 and all other GST return forms.

🧾

E-Invoice & E-Way Bill

Generation and management of e-invoices and e-way bills to ensure smooth supply chain compliance.

💰

TDS Return / TCS Refund

TDS deduction calculation, quarterly return filing, and assistance with TCS refund claims.

🏢

Company / LLP Registration

Full assistance with Pvt. Ltd., OPC, LLP company incorporation and post-registration compliance.

🪪

PAN Card / Aadhaar Services

New PAN card applications, corrections, Aadhaar updates, and linking with financial accounts.

🍽️

FSSAI Registration

Food Safety and Standards registration and licensing for restaurants, food businesses and manufacturers.

™️

Trade Mark & IE Code

Trademark registration to protect your brand and Import-Export Code for international trade businesses.

👷

PF / ESI Registration

Provident Fund and Employee State Insurance registration and ongoing monthly compliance filing.

🔏

DSC — Digital Signature

Class 2 & Class 3 Digital Signature Certificates for MCA, GST, Income Tax and tender submissions.

📊

Professional Tax

Professional tax registration, monthly payment management, and annual return filing for businesses.

🛡️

LIC & General Insurance

Life Insurance policies (LIC of India) and general insurance plans for individuals and businesses.

Why Choose Us

Your Business Deserves
a Trusted Advisor

🎓
CA Qualified Professional
Avinash Kumar Shaw is a member of the Institute of Chartered Accountants of India (ICAI) — ensuring certified, accountable service.
⚡
Fast & Accurate Filing
We prioritize zero-error, on-time submissions. Never pay a late fee again — we track your compliance calendar so you don't have to.
💬
WhatsApp-First Support
Get instant answers, document updates, and compliance reminders directly on WhatsApp — no complex portals or waiting rooms.
💼
All Services Under One Roof
From GST to LIC Insurance — eliminate the hassle of managing multiple vendors. One professional, complete solutions.
500+
Satisfied Clients Served
10+
Years of Practice
12+
Services Offered
"Working with Avinash Kumar Shaw has been a game-changer for our business. Our GST filings are always on time, and any compliance issue is resolved within the same day."
RK
Rahul Kumar
Director, RK Enterprises · Kolkata
How It Works

Get Started in 4 Simple Steps

No complex processes. Just message us on WhatsApp and we'll handle everything from document collection to final filing.

1
WhatsApp Us
Send a message describing your requirement — GST, registration, returns, or any other service.
2
Free Consultation
We discuss your needs, explain the process, and provide a transparent fee estimate — no hidden charges.
3
Submit Documents
Share required documents via WhatsApp or email. We handle collection, verification, and processing.
4
Done & Delivered
Receive confirmation, certificates, and filing acknowledgements directly on WhatsApp. Simple and fast.

Ready to Simplify Your
Tax & Compliance?

Join 500+ businesses who trust S Avinash & Co. for accurate, timely, and affordable compliance services.

Contact Us

Get in Touch Today

Reach us through WhatsApp for the fastest response, or use any of the contact options below.

📍
Office Address
Kolkata, West Bengal, India
📞
Phone Number
✉️
Email Address
🕐
Working Hours
Monday – Saturday: 10:00 AM – 7:00 PM
🎓
Qualification
CA — Chartered Accountant (ICAI)