Business activity details
Thinkogic Tool
The Thinkogic GST Number Search Tool is an online GSTIN validator that helps you check GST format, checksum, PAN linkage, state code, and live taxpayer details from one screen.
Checks the GSTIN structure before any live request runs.
Returns taxpayer information in one guided verification flow.
Useful for onboarding, invoice review, and compliance checks.
What Is GSTIN?
GSTIN stands for Goods and Services Tax Identification Number. It is a 15-character identifier used to represent a GST-registered business in invoices, vendor records, tax workflows, and compliance review.
A fixed format used for identity and validation.
The middle portion is connected to the taxpayer PAN.
Used across billing, onboarding, and GST compliance records.
Why Verify GST Number?
Catch incorrect GSTINs before they enter invoices or ERP records.
Confirm whether the registration is active before use.
Compare the GST record with vendor or invoice details.
Useful for CA, finance, procurement, and compliance workflows.
How To Use
Type the 15-character GST number into the search field in the hero section.
Click Verify GSTIN after the number passes local format and checksum validation.
Check the returned status, name, address, jurisdiction, and nature of business.
Use the validated GST details in onboarding, billing, or compliance workflows.
Features
Instantly reviews whether the number follows the correct 15-character structure.
Prevents unnecessary live lookups by validating the GSTIN mathematically first.
Shows the PAN segment and extracts the GST registration state code automatically.
Returns registration details, status, address, and jurisdiction when available.
Keeps the output focused on the fields finance and CA teams actually review.
Runs directly in the page for quick internal checks and repeat verification work.
GSTIN Format
Read the GSTIN from left to right. Each part has a specific meaning in the registration number.
The first two characters show the registration state. Here, 27 means Maharashtra.
The next ten characters match the PAN of the registered business or person.
This character differentiates registrations held under the same PAN.
This is usually Z in the standard GSTIN structure.
The last character is a calculated checksum used to validate the GSTIN.
Fake GST
In case you encounter any fraudulent businesses during verification, please use the official complaint channels below to report them and track your issue.
Advantages
Reduces manual validation time during onboarding and invoice review.
Helps catch wrong or incomplete GST details before records are finalized.
Gives teams quick access to status, registration data, and jurisdiction output.
Supports accounts, procurement, CA, tax, and internal operations workflows.
FAQs
No government fee is charged for applying for GST registration. A business may still incur professional or documentation costs if it takes outside help for the application.
A business can apply for GST registration on the official GST portal by submitting entity details, PAN, address proof, business constitution details, and the required supporting documents. After approval, a GSTIN is allocated.
In many cases, GST tools and business lookup directories allow a search by company or trade name, but exact results depend on the source and available public records. A GSTIN-based lookup remains more accurate.
Yes, GSTIN of a person can be identified based on PAN by following the below steps:
Step 1: Visit the Government of India's official GST portal.
Step 2: Click on the Search Taxpayer tab.
Step 3: Select Search by PAN option.
The tool can show registration status, legal name, trade name, registration type, business type, registration date, address, state and central jurisdiction, and other taxpayer details shown in the results.
A GSTIN is allocated after the GST registration application is reviewed and approved by the authorities. The exact timeline depends on document completeness and processing by the GST system.
Yes, in certain permitted cases a business may obtain multiple registrations within the same state for different places of business or separate business vertical considerations, subject to GST rules.
Yes, multiple GST registrations can exist at the same address if different entities or eligible business registrations operate from that location and meet the documentation requirements.
A GST number can be found through invoices, vendor records, registration documents, or GST search tools that use GSTIN, trade name, or related business details.
Visit the Thinkogic GST verification page at https://thinkogic.com/gst-number-search/ and enter a valid GST number in the search field.
Once the GSTIN passes local validation, the captcha section appears automatically.
Enter the captcha shown on the screen.
Click on Verify GSTIN.
The GST Details section then opens below with the returned taxpayer details and status.
Visit the GST Portal at https://www.gst.gov.in/.
Click on CBEC Mitra Helpdesk and Raise web ticket.
Reach out via email to cbecmitra.helpdesk@icegate.gov.in.
Reach out to the authority on their official Twitter @askGST_GoI.