GST Registration Service in Chennai, Done Right
Get your GSTIN with the right registration type, business details and HSN or SAC codes from day one. Our GST registration service in Chennai handles it end to end.
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Benefits
Benefits of GST registration in Chennai
A GSTIN is a legal requirement for many businesses, and a commercial advantage for many more.
Legal to collect GST
Only registered businesses can charge GST and issue tax invoices.
Input tax credit
Claim back the GST you pay on purchases against the tax you collect.
Sell across states
Inter-state supply of goods generally needs a GSTIN, whatever your turnover.
Sell on marketplaces
Most ecommerce platforms ask sellers for a GSTIN before listing.
Win B2B clients
Business buyers prefer registered suppliers so they can claim credit.
Bank account and loans
The GST certificate is widely accepted as proof of a business.
Tenders and contracts
Government and corporate buyers usually ask for a valid GSTIN.
Composition option
Small businesses can choose a simpler scheme with a lower flat rate.
Not sure you need to register yet?
Tell us your turnover, what you sell and where your customers are. We'll tell you if GST registration is required.
Who should apply
Who must apply for GST registration in Chennai
Registration depends on your turnover, what you sell and how you sell it.
Above the turnover limit
₹40 lakh for goods and ₹20 lakh for services, for most Tamil Nadu businesses.
Inter-state suppliers
Businesses supplying goods to other states.
Ecommerce sellers
Most sellers on online marketplaces, with limited exceptions.
Casual taxable persons
Traders selling at exhibitions or events away from home.
Reverse charge buyers
Businesses liable to pay tax on specified purchases themselves.
Exporters
To export under LUT and claim GST refunds.
New companies and LLPs
Registered alongside incorporation, or soon after.
Voluntary registration
Smaller businesses that want input credit and credibility.
Who registers
Businesses that get their GSTIN with us
From retail stores and distributors to manufacturers, GST registration in Chennai is one of the first steps for businesses that want to trade widely and claim input credit.
Retail stores Wholesalers and distributors Inter-state traders Manufacturers
Registration types
Choose the right GST registration in Chennai
The type you register under decides your tax rate, returns and input credit. We help you pick before filing.
- Most businesses
Regular registration
Charge GST, claim input credit and file monthly or quarterly returns.
- Smaller turnover
Composition scheme
A flat rate on turnover, for goods up to ₹1.5 crore or services up to ₹50 lakh. No input credit.
- Optional, from Nov 2025
Simplified registration
For small suppliers whose monthly B2B output tax is up to ₹2.5 lakh.
- Short term
Casual taxable person
For exhibitions or seasonal trade in a state where you have no fixed place of business.
Documents
Documents for GST registration in Chennai
Clear scans are enough. The business address proof is where most applications get stuck.
Not sure your address proof will work?
Send a photo of the bill and tell us who owns the property. We'll check it before the application goes in.
Process
GST registration process in Chennai
Five steps from your documents to the GST certificate.
- 1
Eligibility and type
We confirm whether you must register and the right type for you.
Day 1 - 2
Documents and codes
Address proof checked and HSN or SAC codes chosen for what you sell.
1 day - 3
Application filed
Form REG-01 filed and Aadhaar authentication completed.
Same day - 4
Verification
Low-risk applications are approved within three working days. Others may get a query or a site visit.
3 working days for most - 5
GSTIN issued
Your GST certificate in Form REG-06, downloadable from the portal.
On approval
Applications the system flags for verification can take longer. We answer any officer query for you.
Ready to get your GSTIN?
Share your PAN, Aadhaar and address proof. We'll confirm the registration type and file the application.
Common mistakes
GST registration mistakes that delay approval
Most queries and rejections come from details that can be checked before filing.
Weak address proof
An old bill, an unsigned consent letter or an address that doesn't match.
How National Filings prevents it
We check every address document before uploading it.
Name mismatch with PAN
The business or owner name differs from the PAN records.
How National Filings prevents it
We match names and dates exactly with PAN data.
Wrong HSN or SAC codes
Codes that don't match what you sell cause problems in returns later.
How National Filings prevents it
We pick codes based on your actual products and services.
Skipping Aadhaar authentication
Without it, the application goes to physical verification and takes longer.
How National Filings prevents it
We complete authentication with you while filing.
Cost
GST registration cost in Chennai
The government charges nothing to register. You pay only for professional help, if you want it.
- ₹0
Government fee
GST registration is free on the official portal.
- Quoted upfront
Professional fee
Type selection, codes, filing and follow-up until approval.
- If needed
Digital signature
Companies and LLPs sign the application with a DSC.
- Quoted separately
Later amendments
Changes to address, partners or business details after registration.
Get a quote for GST registration
Tell us your business type and what you sell. We'll confirm our fee before we start.
After registration
GST amendment and modification in Chennai
When your business details change, the registration must be updated, usually within 15 days of the change.
- Needs approval
Core field changes
Business name, principal place of business, or partners and directors, through Form REG-14.
- Updated instantly
Non-core changes
Contact details, bank account and similar details, without officer approval.
- Amendment
Additional place of business
Add a new godown, branch or shop in the same state.
- New registration
Change of PAN
A new structure with a new PAN, such as a proprietor becoming a company, needs a fresh GSTIN.
Regular or composition?
Which GST scheme suits your business
The composition scheme is simpler, but it doesn't suit every business.
- Regular
Need input credit
Choose regular registration if your purchases carry GST you want to claim back.
- Regular
Selling to businesses
B2B buyers need your tax invoices to claim credit. Composition dealers can't issue them.
- Composition
Small local sales
Composition can suit small shops selling mostly to consumers within the state.
- Regular
Selling across states
Composition dealers generally can't make inter-state supplies of goods.
Why National Filings
Why choose National Filings for GST registration in Chennai
Right type, first time
Regular, composition or simplified, chosen with you before filing.
Codes that fit
HSN and SAC codes matched to what you actually sell.
Address proof checked
The most common reason for queries, sorted before filing.
Officer queries handled
Clarifications and site visit preparation taken care of.
Amendments later
Address, partner or business changes filed when they happen.
Ready for returns
Your first return dates explained the day your GSTIN arrives.
FAQ
GST registration in Chennai: your questions
Who needs GST registration in Chennai?
For most Tamil Nadu businesses, registration is required once turnover crosses ₹40 lakh for goods or ₹20 lakh for services. It is also needed regardless of turnover for inter-state supply of goods, most ecommerce sellers, casual taxable persons and some other cases.
How long does GST registration take?
Since 1 November 2025, applications from low-risk applicants who complete Aadhaar authentication are approved within three working days. Applications flagged for verification can take longer, especially if the officer raises a query or visits the premises.
Is there a government fee for GST registration?
No. GST registration is free on the official portal. Our professional fee for the GST registration service in Chennai covers the type selection, codes, filing and follow-up, and is confirmed upfront.
Can I register for GST using my home address?
Yes, if you run the business from there. You need an electricity bill or property tax receipt for the address, and a consent letter if the property is in someone else's name.
What is the composition scheme?
A simpler option for small businesses with turnover up to ₹1.5 crore for goods or ₹50 lakh for services. You pay a flat rate on turnover and file fewer returns, but you can't claim input tax credit or charge GST on invoices.
How do I change details in my GST registration?
File an amendment within 15 days of the change. Changes to core details such as the business name, principal address or partners need officer approval, while contact and bank details update without approval.
Do I need separate GST registration for each state?
Yes. GST registration is state-wise, so a business with a place of business in another state needs a separate GSTIN there.
What happens after I get my GSTIN?
Your return filing starts from the date of registration. Depending on your scheme, that means monthly or quarterly returns. We can handle GST return filing for you from the first month.
Didn't find your question?
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Tell us about your business. We'll confirm whether you need to register, the right type and the documents.
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