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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →To verify a GSTIN, use the official GST Portal’s Search Taxpayer function, enter the GSTIN or UIN and captcha, and reconcile every returned field with the invoice, contract, supplier identity and payment details. Then check filing and cancellation indicators, search the PAN if misuse is suspected, and use the Ministry of Corporate Affairs (MCA) records when the supplier claims to be a company or LLP.
A matching GSTIN proves that the Goods and Services Tax Network (GSTN) has a registration record. It does not, by itself, prove that the people behind the business are honest, that goods will arrive, that a bank account belongs to the seller, or that the business is financially sound. Genuine due diligence combines the GST record with document checks, independent contact verification and payment safeguards.
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What a GSTIN check can—and cannot—tell you
The GST Portal’s Search Taxpayer function lets you view the profile of another registered taxpayer by entering its GSTIN or UIN. GSTN describes the function as a way to verify a taxpayer profile, check handwritten invoices and avoid association with vendors using fake GSTINs. It is available without logging in.
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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesA successful search establishes that GSTN has a registration record and reports the information shown on the result page. That information can expose an identity mismatch, a wrong address, an unexpected constitution, a cancellation date or weak filing indicators. It is evidence about registration and reported compliance, not a guarantee about future conduct.
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- It does not prove that the stated premises still exist or that the person communicating with you controls the registration.
- It does not prove that goods or services will be delivered, that they will meet the agreed specification, or that a refund will be paid.
- It does not establish that the bank account or payment link belongs to the registered supplier.
- It does not prove solvency, commercial reputation or the honesty of directors, partners, employees or agents.
Use the result as the identity layer of a wider supplier check. The more money, urgency or operational dependence involved, the more independent evidence you should require.
How to verify a GSTIN on the official GST Portal
Use the portal record rather than a screenshot, certificate PDF or message supplied by the seller. The record you retrieve is the authoritative source for the fields displayed at the time of your search.
- Open Search Taxpayer. On the official GST Portal, choose the public taxpayer-search function. You do not need to log in for the basic GSTIN/UIN search.
- Enter the identifier and captcha. Type the GSTIN or UIN exactly as it appears on the invoice, quotation, purchase order or registration certificate. Recheck similar-looking characters before submitting.
- Save the returned profile. Copy the result into your vendor-review record, or retain a dated screenshot in accordance with your organisation’s privacy and retention rules. Record the date and the identifier searched so a later reviewer knows which result you relied on.
- Compare the legal name and trade name. Match both names against the invoice, quotation, contract, supplier website, email domain and bank-beneficiary name. Do not treat a different trade name as proof of fraud: GSTN’s registration manual explains that the legal name comes from the PAN database and can differ from the trade name. The important question is whether the difference is disclosed and consistently explained.
- Check the registration details. Review the effective registration date, constitution of business, taxpayer type and principal place of business. Compare the address and entity description with the supplier’s contract, licences, delivery location and contact information.
- Read the status and filing information. Look for an active result as well as any cancellation or auto-suspension notice and its effective date. Review the return-filing table and note gaps or patterns that require an explanation before payment or credit is extended.
GSTN’s Search Taxpayer manual states: “The Search Taxpayer functionality allows you to view the profile of any other registered taxpayer at the GST Portal on entering the GSTIN/UIN.” Treat the quote as a description of what the public search displays, not as a promise that every commercial fact about the taxpayer is verified.
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How to interpret each returned field
Legal name versus trade name
The legal name is tied to the name in the PAN database. A business may market itself under a separate trade name, so an invoice can legitimately show both. Your review should establish which name is the contracting party, which name appears on the bank account and which name is used for customer-facing activity. Ask the supplier to explain an unexplained variation rather than silently substituting one name for another.
Effective registration date
The effective date tells you when the displayed GST registration began. It is useful for chronology: a supplier claiming years of operations but showing a recently effective registration needs a clear explanation, such as a new entity, restructuring or a newly required registration. Do not rank suppliers solely by registration age; an older registration is not proof of better conduct.
Constitution and taxpayer type
The constitution indicates the registered form of the business. Compare it with the contract and the person who signs it. A proprietor, partnership, company or LLP creates different expectations about who can bind the business and which public records should exist. If a supplier presents itself as a company or LLP but the GST result shows another constitution, stop and resolve the discrepancy before relying on the paperwork.
Principal place of business
Compare the portal address with the invoice, quotation, delivery terms, website and any premises information supplied by the seller. An address mismatch can be an innocent branch, warehouse or recent amendment, but it should not be ignored. For a large or high-risk order, independently verify the location using contact details obtained outside the invoice and consider a site or licence check.
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Cancellation and auto-suspension information
An apparently active profile should still be examined for a cancellation notice, an auto-suspension indication and the relevant effective date. A date matters: it tells you whether the event predates the invoice or occurred afterward. If the invoice falls within a disputed or cancelled period, pause the transaction and obtain professional tax advice before claiming credit or paying.
Return-filing details
The filing table is a compliance signal, not a quality score. Review the periods shown, identify unexplained gaps and ask the supplier to clarify them. Filing information cannot establish that the goods exist or that the supplier will perform, but a pattern inconsistent with the supplier’s claims can justify tighter payment controls.
Additional information available to logged-in users
Where your portal access permits expanded taxpayer information, GSTN documents additional fields that can support due diligence:
- proprietor, director or promoter names;
- e-way-bill history;
- annual aggregate turnover;
- the percentage of payments made in cash;
- Aadhaar or e-KYC status; and
- other compliance information made available for the account.
Use these fields as signals to investigate, not as a guarantee. For example, a turnover figure should be compared with the scale of the proposed order, while e-way-bill history may be relevant to a logistics-heavy supplier. Neither field proves that a particular shipment is genuine. Limit access to people who need it and store personal information securely.
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A seller may send a GST registration certificate as a PDF or image. That document is supporting evidence only. If you have authenticated portal access, use the portal’s View/Download Certificates function to inspect the certificate and any amended version. Compare the portal-generated document with the seller’s copy, including names, address, constitution and effective dates.
If the certificate supplied by the seller conflicts with the live portal record, do not rely on the PDF. Ask for a written explanation and resolve the discrepancy through the portal record or the appropriate tax professional. A certificate cannot establish that a seller’s bank details, inventory or delivery promise is genuine.
Use Search by PAN when GSTIN misuse is suspected
A GSTIN can be copied onto a false invoice, so checking only the number printed on the document may miss misuse. On the GST Portal, use Search taxpayer > Search by PAN to see GST registrations mapped to a PAN when you have a legitimate reason and the necessary information.
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Use the PAN result to ask whether the registration you found is one of the registrations associated with the claimed legal entity. If the PAN holder says a registration was not obtained by them, GSTN documents a reporting route that sends the complaint to the relevant jurisdictional authority. Preserve the suspicious invoice, email headers, payment instructions and portal results so the complaint can be investigated.
Do not obtain or circulate PAN information casually. Use it for a defined verification purpose, restrict access and follow applicable privacy and record-retention requirements.
How to check whether a GST invoice is fake
Read the invoice as a set of linked claims rather than as a single number. Reconcile the following items:
- GSTIN and the portal’s legal name;
- trade name and the name used in communications;
- principal address and the stated supply or delivery location;
- tax amounts and the commercial price agreed in the contract;
- description, quantity and timing of the goods or services actually supplied;
- supplier bank account or payment beneficiary; and
- the person or entity authorised to sign and issue the invoice.
A mismatch is a reason to pause payment, not an automatic finding of fraud. Contact the supplier through an independently sourced phone number, domain or prior relationship—not only the contact details printed on the suspect invoice. Request a corrected invoice or documentary explanation and keep the original version. If the supplier pressures you to pay immediately, changes bank details at the last minute or refuses a reasonable reconciliation, escalate the review.
Cross-check companies and LLPs on the MCA portal
If the supplier claims to be a company or LLP, search the Ministry of Corporate Affairs records in addition to GSTN. The MCA Corporate Data Management portal provides company and LLP datasets; the company data is identified as current as of 6 August 2026. MCA21 Advanced Search supports partial company-name searches and searches by CIN, FCRN, LLPIN or FLLPIN, with country and state filters.
Compare the MCA result with the GST record and contract:
- legal name and spelling;
- entity type;
- state and registered details available in the result;
- identification number supplied by the seller; and
- available filing information.
The Government Services Portal lists MCA master-detail viewing, annual e-filing-status checks and complaint services. Use the relevant service for the question you need answered rather than treating a single search screen as a complete investigation.
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Absence from MCA is not conclusive if the supplier is a sole proprietor or an unincorporated partnership. Those businesses may not appear as a company or LLP. Conversely, a matching MCA record does not prove that the GST invoice, bank account or person contacting you is authorised. The legal identity must line up across all documents.
Check the business beyond its GST registration
After confirming identity, test whether the proposed transaction is safe. Match the supplier’s operational claims to evidence that does not originate from the same invoice:
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Verify contact and control
Call a number obtained from an established contract, a regulator, a known business directory or another independent source. Confirm the legal entity, the person handling the order, the delivery address and the beneficiary account. Treat a new email domain, free-mail address or unexplained change of contact as a reason for additional verification, not as proof by itself.
Confirm the commercial fit
Ask whether the supplier’s stated business, address, constitution and available filing indicators make sense for the product or service offered. Compare quantities, lead times, licences and delivery terms with the supplier’s actual capability. For regulated work, obtain the relevant licence or professional-registration evidence and check it with the issuing body where possible.
Reduce payment exposure
For a first transaction, consider a small order, staged payments tied to deliverables, escrow or another protected method appropriate to the transaction. Put the legal name, GSTIN, scope, acceptance criteria, refund terms, bank details and change-control process in a signed contract. A GST check should precede payment, but it should not be the only control.
Consider a site or document check
For a material purchase, independently verify the premises, warehouse, licence or professional regulator where appropriate. A site check can support the address claim, but it still cannot guarantee future delivery or financial strength. Record who performed the check, when and what was actually observed.
Red flags and what to do next
| Observation | Why it matters | Practical response |
|---|---|---|
| GSTIN search returns no profile or a profile unlike the invoice | The number may be mistyped, cancelled, copied or unrelated to the claimed supplier. | Re-enter the identifier, ask for clarification, and stop payment until the identity is reconciled. |
| Legal name differs from the contract or bank beneficiary without an explanation | You may be contracting with or paying a different entity. | Require written authority and corrected documentation; independently confirm the beneficiary. |
| Cancellation or auto-suspension date conflicts with the invoice period | The supplier’s ability to issue or support the transaction may be affected. | Pause the transaction and obtain tax advice before proceeding. |
| Principal address, constitution or taxpayer type conflicts with the seller’s claims | The seller may be misrepresenting the registered entity or using stale documents. | Ask for the amendment or explanation and verify through the portal. |
| PAN search shows a registration the PAN holder disowns | The registration may have been obtained or used without the PAN holder’s authority. | Preserve evidence and use GSTN’s reporting route to the relevant jurisdictional authority. |
| Bank details change shortly before payment | Payment redirection is a common control failure even when the GSTIN is valid. | Confirm the change through an independently sourced contact and update the contract record. |
| Urgency, unusually low pricing or refusal to provide basic documents | Pressure can prevent normal identity and performance checks. | Use a smaller protected transaction or decline until the documentation is complete. |
How to compare two suppliers
When two suppliers both have GST registrations, compare the dimensions that affect your actual risk instead of assigning a single “genuine” score.
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| Comparison area | Questions to answer | Evidence to retain |
|---|---|---|
| Legal identity and constitution | Do the GST legal name, trade name, constitution and contract party align? | Portal result, contract and authority documents. |
| Registration status and dates | What are the effective date, current status and any cancellation or auto-suspension dates? | Dated search record and supplier explanation. |
| Address and contact consistency | Do the principal place, delivery location, phone and email lead to the same business? | Independent contact notes and address evidence. |
| Product or service fit | Can the supplier demonstrate the capability, licences and capacity required? | Scope, licence checks, references or site observations. |
| Filing and compliance signals | Are the available filing details, e-way-bill history or other fields consistent with the proposed work? | Relevant portal fields and dated review notes. |
| MCA existence for a company or LLP | Do the MCA name, entity type, identification number and available filing information match? | MCA search result and contract record. |
| Payment protection | Can you use staged payment, escrow, a small first order or contractual remedies? | Payment schedule, beneficiary confirmation and signed terms. |
| Document quality | Are invoices, certificates and amendments consistent, complete and independently confirmable? | Original documents, corrected versions and correspondence. |
Do not rank suppliers solely by a GST compliance indicator or by the age of a registration. A newer but transparent supplier with protected payment terms may present less practical risk than an older registration that refuses to reconcile its identity or bank details.
A practical review record
For each supplier, keep a concise file that another employee can audit:
- GSTIN or UIN searched, search date and portal result.
- Legal name, trade name, constitution, taxpayer type and effective registration date.
- Principal place of business and any cancellation or auto-suspension information.
- Return-filing details and any expanded fields reviewed through authorised access.
- Invoice, quotation, contract, certificate and amendment versions.
- Independent contact used to confirm identity and bank details.
- PAN-search result and any complaint reference if misuse is suspected.
- MCA search result and filing check when the supplier claims to be a company or LLP.
- Decision, approver, payment protections and unresolved questions.
Record facts separately from conclusions. For example, write “portal shows an auto-suspension date of [date displayed]” rather than “supplier is fraudulent.” That distinction preserves evidence and avoids making a finding that the GST record cannot support.
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Limits, privacy and escalation
GST and MCA records contain business and, in some views, personal information. Access only what you need for a legitimate transaction, restrict internal distribution and store screenshots or exports securely. Do not publish another person’s PAN or personal details merely because you performed a verification.
Escalate to a qualified tax adviser, lawyer, the relevant GST jurisdictional authority or law-enforcement channel when the transaction involves a large loss, identity misuse, forged documents, suspected tax evasion or a dispute over tax credit. The portal is a verification tool; it is not a substitute for professional advice on whether tax may be claimed or whether a contract is enforceable.
What is known about GSTIN fraud rates?
No authoritative source identified here publishes a prevalence percentage showing how often a valid GSTIN is associated with a fraudulent or otherwise non-genuine business. Avoid online claims that attach a precise rate unless they identify a credible methodology, population, geography and date. The absence of a statistic does not reduce the value of checking; it means the decision should be based on the particular supplier and transaction evidence in front of you.
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