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GST number search and verify

Enter 15-digit GSTIN below to instantly verify its authenticity, check the registered business name, taxpayer type, registration date, and current GST status.

Unlimited & freeNo loginDigit checked locally
Live GSTIN breakdownWaiting
··State codeTwo digits, 01–38
··········PANPAN of the registered entity
·Entity no.Nth registration in the state
·ReservedAlways Z
·Check digitChecksum over the first 14
Type or paste a 15-character GSTIN.
Need the Right HSN Code? Find It Fast.Use our HSN Finder to identify the correct HSN code for your product and make GST classification and invoicing easier.
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How a GST number is built - GSTIN format

Every valid GSTIN follows a fixed 15-character structure. If a number doesn't match this pattern, it isn't a valid GSTIN. Knowing this structure lets you spot an obviously fake GSTIN instantly.

PositionExampleWhat it Represents
Digit 1st - 2nd27State Code of the registered business
Characters 3-12AAPFU0939FPAN of the registered person/entity
Character 13th1Entity or registration number for that PAN in a particular state
Character 14thZFixed alphabet - Always “Z”
Character 15thVCheck code, used to detect errors

What Information Does GSTIN Verification Display?

If the GSTIN is valid, it displays:

Free, unlimited
  • Legal name of the business
  • Trade name
  • Principal and additional places of business
  • State jurisdiction (Centre/State)
  • Date of GST registration
  • Business constitution (company, proprietorship, partnership, etc.)
  • Taxpayer type (regular or composition dealer)
  • Current GSTIN/UIN status (active, cancelled, suspended)
  • Cancellation date, if applicable

If the number is invalid, the tool will flag it immediately - a strong signal to double-check with your vendor before proceeding.

How to Use TenderShark GST Number Finder Tool?

Verifying a GSTIN takes two steps:

1Enter the GSTIN in the search bar at the top of this page
2Click on the "Search" tab to instantly pull up the verification results
Get relevant & latest tender alertsSet your keywords, state and authority once. We email every matching notice from 80 lac+ Indian tenders.

What Is a GSTIN?

A GSTIN (Goods and Services Tax Identification Number) is a unique 15-character, PAN-based registration number issued to every business or individual registered under India's GST law. Every GST-registered taxpayer must obtain a separate GSTIN for each state or Union Territory in which they operate.

Before GST, businesses had separate registration numbers for VAT, Service Tax, and Excise. GST replaced all of that with one standardized number — GSTIN — making it far easier to verify a business's tax compliance from a single lookup.

You're required to obtain a GSTIN once your turnover crosses the applicable GST registration threshold.

Why Verify GST Number Before You Trust It?

Since GSTIN data is public, verifying it costs nothing. However, skipping this step can cost you both monetarily and ethically. Here's why a quick GST search matters before you record an invoice:

  • Avoid fake or inactive GSTINs that can invalidate your input tax credit (ITC) claims
  • Prevent invoicing errors that create compliance headaches during GST return filing
  • Confirm your vendor is really registered before signing a contract, tender, or purchase order
  • Cross-check quickly: characters 3 - 10 of a GSTIN should match the vendor's PAN - a fast first red flag if something looks off

Key Features of Our GST Finder Tool

01Instant results - No waiting, no login required
02Authenticity check - Confirms whether a GSTIN is genuinely registered
03Full detail view - Legal name, business type, status, and more
04100% free to use, unlimited searches

Key GST Rules to Know Before Participating in Tenders

Understanding GST provisions is essential for bidders because tax requirements can directly affect tender pricing, eligibility, and compliance. Here are the key GST rules applicable to tenders:

GST on Tender FeesTender document fees generally attract 18% GST, where GST is applicable to the fee charged for purchasing or downloading the tender documents.
GST on Works ContractsWorks contracts and specified services provided to Central or State Governments, local authorities, and other eligible entities may attract GST at 12% or 18%, depending on the nature of the contract. Certain qualifying earthwork activities may fall under a 5% GST rate.
GST RegistrationBidders participating in most government and public-sector tenders are generally required to have a valid GSTIN and PAN, subject to the applicable tender conditions and statutory exemptions.
Reverse Charge Mechanism (RCM)In specific transactions covered under GST provisions, the recipient or project authority may be responsible for paying GST under the Reverse Charge Mechanism, rather than the supplier.
GST in Financial BidsTenderers should clearly mention the basic quoted price and applicable GST separately, unless the Notice Inviting Tender (NIT) or tender document specifically requires an inclusive GST quotation.
Check Tender-Specific ConditionsGST rates, exemptions, eligibility requirements, and tax responsibilities can vary based on the type of work, contracting authority, and applicable government notifications. Bidders should therefore review the tender's tax and commercial conditions carefully before submitting their financial bid.

Benefits of Online GSTIN Verification

  • Confirm a GSTIN is genuine before you rely on it
  • Clears up illegible or handwritten GSTINs on physical invoices
  • Protects you from unknowingly transacting with fraudulent vendors
  • Catches GST fraud early, before money changes hands
  • Helps vendors catch and fix their own reporting errors

GST state code list

The first two digits of a GSTIN indicate the state or Union Territory where the business is registered. Here is the complete list of GST state codes for all Indian states and Union Territories.

10Bihar
11Sikkim
12Arunachal Pradesh
13Nagaland
14Manipur
15Mizoram
16Tripura
17Meghalaya
18Assam
19West Bengal
20Jharkhand
21Odisha

Frequently Asked Questions

Is registering for a GST number free?

Yes. GST registration and GSTIN allotment are completely free of cost through the GST portal.

When does a business get its GSTIN?

A GSTIN is issued once your GST registration application (Form GST REG-01) is successfully processed and approved by a GST officer.

What are the 4 types of GST?

The four types of GST are CGST, SGST, IGST, and UTGST, applicable based on the type and location of the supply. CGST and SGST apply to intra-state supplies, while IGST applies to inter-state supplies and UTGST to eligible Union Territory supplies.

Is it compulsory to display the GSTIN on invoices?

Yes. Every GST-registered business must quote its GSTIN on all invoices and display its GST registration certificate at its place of business.

Can I hold multiple GSTINs and GST numbers?

Yes, a business can have multiple GSTINs, particularly when it operates across different states or Union Territories. Separate GST registrations may also be available for multiple places of business, subject to applicable GST rules.

What is the 15-digit GST number?

A 15-digit GST number, or GSTIN, is a unique identification number issued to GST-registered businesses. It contains details such as the state code, PAN, entity number, and a check digit.

What is a GSTIN used for?

GSTIN must be quoted on invoices, e-way bills, GST returns, and any official communication with tax authorities. It's mandatory before a registered business can legally operate.

Can one business hold multiple GST numbers?

Yes, a business with operations in multiple states needs a separate GSTIN for each state. A single GST search only returns details for the specific GSTIN entered.

Can I find a business's name using its GST number?

Yes, enter the GSTIN in the search tool above, and it will return both the legal name and trade name of the registered business.

Can I search for a GST number using a business name?

Yes — if you only have the trade or legal name, you can look up the corresponding GSTIN using a name-based GST search.

Can I find a GST number using a PAN?

Yes — entering a PAN will return every GSTIN registered against it, along with each one's status.

How do I verify if a GST number is real and active?

Enter the GSTIN into the search tool above. Valid, active numbers return full business details; invalid ones are flagged immediately.

How can I get a business's registered address from its GSTIN?

Search the GSTIN — the result includes the principal and any additional places of business registered under that number.

How do I check if a GSTIN is currently active or cancelled?

Run the GSTIN through the search tool. The result shows the current status (active/cancelled/suspended) and the cancellation date if applicable.

What information do I get searching by PAN instead of GSTIN?

You'll get a list of all GSTINs linked to that PAN, along with each one's active/inactive status — click any GSTIN to pull its full details.

How do I confirm whether a company is GST-registered?

Search using either the company's GSTIN or its name. If it's registered, you'll see its GSTIN status and full registration details.

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