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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchVerify a GSTIN on the official GST Portal, then reconcile every returned field with the invoice, supplier, contract and payment details. Use Search Taxpayer without logging in, check the registration status and filing information, search the PAN if misuse is suspected, and cross-check a claimed company or LLP on the Ministry of Corporate Affairs (MCA) portal.
A matching GSTIN proves that the Goods and Services Tax Network (GSTN) has a registration record for that number. It does not, by itself, prove that the people behind the business are honest, that the premises still exist, that goods will be delivered, or that a bank account belongs to the seller. Treat GST verification as the first layer of due diligence, not a complete trust decision.
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What a GSTIN check can establish
The GST Portal can show the identity and reported compliance profile associated with a GSTIN or UIN. GSTN says its Search Taxpayer function lets anyone view another registered taxpayer’s profile by entering the GSTIN or UIN. The search works without a portal login.
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Depending on the record and your access level, the result can establish:
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- Legal name and trade name
- Effective registration date
- Constitution of business
- Principal place of business
- Cancellation date, where applicable
- Taxpayer type and nature of business
- Return-filing details shown by the portal
- Additional compliance fields available to logged-in users, such as proprietor, director or promoter names, e-way-bill history, annual aggregate turnover, cash-payment percentage and Aadhaar or e-KYC status
These fields are useful for finding identity, address, status and documentation inconsistencies. They are signals for due diligence, not a guarantee of future conduct.
How to verify a GSTIN on the official GST Portal
- Open Search Taxpayer. Go to the official GST Portal and choose Search Taxpayer. Select the GSTIN/UIN search option.
- Enter the number and captcha. Type the GSTIN or UIN exactly as shown on the invoice, quotation, registration certificate or contract, complete the captcha and submit. The basic search does not require you to log in.
- Save the returned profile. Copy the result into your vendor-review record or save a dated screenshot. Record the legal name, trade name, registration date, constitution, principal address, status and filing information displayed at that time.
- Match the names. Compare the portal’s legal name and trade name with the invoice, quotation, website, contract, email signature and bank-beneficiary name. GSTN’s registration guidance distinguishes the legal name in the PAN database from the business’s trade name, so the two names do not have to be identical. They must, however, be explainable and consistent with the documents.
- Check the status and dates. Look for an active, cancelled or suspended indication and read any effective date or cancellation date. GSTN documentation states that cancellation and auto-suspension information, with effective dates where applicable, can be displayed. Do not treat an old screenshot or a certificate supplied only by the seller as current proof.
- Review the remaining profile. Check taxpayer type, constitution, principal place of business, nature of business and the return-filing table. These fields can reveal that the registered activity, entity type or location does not fit the transaction you are considering.
GSTN describes the purpose of this function as helping users verify authenticity, check handwritten invoices and avoid fraudulent GSTINs or vendors using fake GSTINs. That purpose makes the portal result more useful than a certificate PDF sent by a supplier, but it still does not replace commercial due diligence.
How to read each returned field
Legal name and trade name
The legal name is tied to the PAN database. The trade name is the name used for the business in commerce. An invoice may use the trade name while a bank account or contract uses the legal name. Confirm that the supplier can explain the relationship and that the same relationship appears across the documents you received.
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The constitution indicates the type of taxpayer recorded by GSTN. Compare it with the entity named in the contract and with the person or organisation accepting payment. A business claiming to be a company or LLP should be checked against MCA records; a sole proprietor or unincorporated partnership may not appear in the MCA company or LLP search.
Principal place of business
Compare the registered principal address with the invoice, quotation, contract and any delivery or service address. An address mismatch is not automatically fraud: a business can have additional locations or use a separate operating site. Ask for an explanation and supporting documentation before paying when the mismatch affects who will perform or deliver the work.
Registration and cancellation dates
The effective registration date tells you when the GST registration became effective. It is not a measure of reputation, solvency or delivery performance. If a cancellation date or auto-suspension notice appears, pause the transaction until the supplier explains the status and you confirm the current portal record.
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Return-filing details
Use the filing table as a compliance signal. It can show whether the reported filing pattern is consistent with an active supplier, but it cannot establish that the specific invoice is genuine or that the supplier will perform. Consider the nature and size of the proposed transaction rather than treating a filing indicator as a pass/fail score.
Additional checks available with portal access
GSTN documents additional fields that may be available when you have the appropriate portal access. These can include proprietor, director or promoter names; e-way-bill history; annual aggregate turnover; cash-payment percentage; Aadhaar or e-KYC status; and other compliance information.
Use these details to test whether the seller’s story is internally consistent. For example, compare the recorded constitution and named people with the signatory on your contract, or compare the business scale suggested by turnover information with the size of the proposed order. Do not infer criminality or future reliability from a single field. The information is reported for tax administration and due diligence, not as a warranty of commercial performance.
How to verify a GST registration certificate
If a supplier sends a registration certificate, verify it through the authenticated portal rather than relying on the supplied PDF. After signing in, use the portal’s View/Download Certificates function to inspect the current certificate and any amended version. Compare the certificate with the live taxpayer profile and with the invoice.
- A portal record that disagrees with the seller’s PDF requires an explanation before payment.
- An amended certificate may contain updated details, so check the latest version rather than an older attachment.
- A certificate confirms registration information; it does not prove that the seller controls a particular bank account or will deliver goods.
Search the PAN when you suspect misuse
When a GSTIN appears suspicious, use Search Taxpayer > Search by PAN to view GST registrations mapped to that PAN. This can reveal registrations that the PAN holder did not obtain or a pattern that does not match the seller’s explanation.
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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsGSTN documents a reporting path for registrations the PAN holder did not obtain. A complaint is routed to the relevant jurisdictional authority. Preserve the suspicious GSTIN, invoice, communications and payment request, then use the portal’s reporting route rather than confronting the supplier with an unsupported accusation.
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How to check whether a GST invoice is genuine
Verify the invoice as a connected set of identities and amounts. A genuine-looking GSTIN printed on a document is not enough if the rest of the transaction points to a different party.
- Reconcile the GSTIN. Search the number on the official portal and confirm that it belongs to the stated supplier.
- Reconcile names. Match the portal legal name and trade name with the invoice, quotation, contract and bank-beneficiary name. Document why a trade name and legal name differ.
- Reconcile addresses. Compare the principal place of business with the invoice and the location from which goods or services are said to be supplied.
- Check tax arithmetic. Confirm that the taxable value, tax amounts, total and any stated split between tax components are arithmetically consistent. If the tax treatment is unclear, ask the supplier for a corrected invoice or professional advice before paying.
- Check the commercial description. Make sure the goods or services, quantities, dates, delivery terms and prices describe what you actually ordered.
- Check payment instructions independently. Call or email the supplier using contact details obtained independently of the suspicious invoice. Confirm the beneficiary name and account change through a known channel, not by replying to the message that requested payment.
- Check delivery evidence. For goods, reconcile purchase orders, dispatch documents, e-way-bill information where available and receipt records. For services, identify the people, milestones and acceptance evidence that will show performance.
A mismatch in GSTIN, legal name, address, tax amount, bank details or supplied goods is a reason to pause payment. Ask for corrected documents and verify the correction on the portal before proceeding.
Cross-check a company or LLP on the MCA portal
If the supplier claims to be an incorporated company or an LLP, search the Ministry of Corporate Affairs records as a second identity check. MCA’s Corporate Data Management portal provides company and LLP datasets; the company data is identified as current as of 6 August 2026.
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Search Company Master Details for a company or LLP Master Details for an LLP. Compare the MCA legal name, entity type, state and available filing information with the GST profile, contract and invoice.
Use Advanced Search when the name is uncertain
MCA21 Advanced Search supports partial company names and searches by CIN, FCRN, LLPIN or FLLPIN. It also provides country and state filters. Use the identifier printed in the contract or supplied by the vendor where possible; a partial-name search can return similarly named entities.
Check filing status and complaint options
The Government Services Portal lists MCA master-detail viewing, annual e-filing-status checks and complaint services. Use filing information as another due-diligence signal, not as proof that a transaction is safe.
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Absence from MCA is not conclusive when the supplier is a sole proprietor or an unincorporated partnership. In that case, rely on the GST identity, PAN-related checks, independent contact verification, contract protections and any relevant licence or professional-regulator records.
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Use a layered decision before paying
Organise your decision around the risk of the transaction. A small, reversible purchase may need fewer checks than a large advance payment, long-term contract or transfer of sensitive information.
| Check | What to compare | Decision signal |
|---|---|---|
| GST identity | GSTIN result, legal name, trade name and constitution against the invoice and contract | Proceed only when differences are explained and documented |
| Status and dates | Current status, cancellation or auto-suspension notice, effective dates and registration date | Pause if the status is cancelled, suspended or inconsistent with the seller’s claim |
| Address and activity | Principal place of business and nature of business against the proposed goods or services | Ask for evidence when the recorded activity or location does not fit |
| Filing signals | Return-filing table and, where available, e-way-bill or other compliance information | Use as supporting evidence, never as a sole approval rule |
| PAN mapping | Registrations returned by Search by PAN | Investigate registrations the PAN holder says it did not obtain |
| MCA identity | Legal name, entity type, state and filing information for a claimed company or LLP | Resolve conflicts between MCA, GST and contract records |
| Payment protection | Beneficiary name, change-of-bank instructions, staged payment and refund or dispute terms | Use an independently confirmed account and a protected first transaction |
| Document quality | Certificate, invoice, quotation, contract, delivery evidence and communications | Do not pay against altered, contradictory or unverifiable documents |
How to compare two suppliers
Do not rank suppliers solely by a GST compliance indicator or by the age of a registration. Compare the same evidence for each supplier:
- Legal identity and constitution
- GST registration status and effective dates
- Consistency of principal place and contact details
- Fit between the registered nature of business and the product or service
- Return-filing and other compliance signals available to you
- MCA existence and filing status when the supplier claims to be a company or LLP
- Payment protections, contract remedies and ability to reverse or stage payment
- Quality and consistency of documentary evidence
A supplier with an older registration is not automatically safer, and a supplier with a newer registration is not automatically fraudulent. The better choice is the one whose identity, documents, transaction terms and independent verification fit together with the fewest unresolved contradictions.
What to do when a check fails
The GSTIN returns no result
Re-enter the number directly from the source document, check for transcription errors and confirm that the supplier gave a GSTIN or UIN rather than another identifier. If the corrected search still returns no record, do not accept the number as proof of registration. Ask the supplier to resolve the issue through the official portal before payment.
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The legal name does not match
Determine whether the invoice uses a legitimate trade name and whether the contract and bank beneficiary identify the same legal entity. Request a written explanation and supporting documentation. If the seller cannot connect the names, stop the transaction.
The address is different
Ask whether the address is a registered principal place, an additional location, a warehouse or a service site. Update your contract and delivery terms to identify the location responsible for performance. If the explanation cannot be independently verified, treat the mismatch as unresolved.
The status is cancelled or auto-suspended
Do not rely on an older certificate or cached search result. Record the effective date, ask the supplier for an explanation and confirm the current status on the portal. Consider professional tax advice if the transaction has already occurred.
The bank account or payment request changed suddenly
Stop payment and contact the supplier through a previously known telephone number or email address. Confirm the beneficiary name and change request independently. A matching GSTIN does not authenticate a bank account.
The supplier claims to be a company but MCA cannot find it
Repeat the search using the CIN, FCRN, LLPIN or FLLPIN if available, and try a partial name with the relevant country and state filters. If the business is actually a sole proprietorship or unincorporated partnership, it may not appear as a company or LLP. Ask the supplier to state its legal form accurately in the contract.
What GST and MCA checks cannot prove
Even a consistent set of records cannot establish all of the following:
- That the people operating the business are honest
- That the registered premises exist today or are controlled by the supplier
- That goods will be delivered or services will be completed
- That the bank account belongs to the seller
- That the business is financially sound
- That every invoice issued by the GSTIN is genuine
For higher-risk transactions, add independent contact verification, a small or protected first transaction, clear contract remedies and, where appropriate, site checks, sector licences or professional-regulator checks. Keep the evidence and the date of each search so you can show what was verified when the decision was made.
Keep a verification record
A short record makes repeated supplier checks faster and preserves evidence if a dispute arises. Capture:
- Date and time of the GST Portal search
- GSTIN or UIN searched
- Legal name, trade name, constitution, status, registration date and principal address returned
- Cancellation or auto-suspension information, if displayed
- Return-filing details and any additional fields you were authorised to view
- Invoice, contract, quotation and bank-beneficiary copies
- PAN-search results and any complaint reference when misuse is suspected
- MCA search identifier, entity type, state and filing information for a claimed company or LLP
- Independent contact used to confirm payment instructions
- Open discrepancies, the supplier’s explanation and the person who approved the transaction
“The Search Taxpayer functionality allows you to view the profile of any other registered taxpayer at the GST Portal on entering the GSTIN/UIN.” — Goods and Services Tax Network, Search Taxpayer manual
No authoritative source reviewed for this guide publishes a prevalence percentage showing how often a valid GSTIN is linked to a fraudulent or otherwise non-genuine business. A valid result should therefore be treated as one verified fact in a broader risk assessment, not as a probability score.
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