Home/GST Mobile Number Guides/Find Firm Mobile Number by GSTIN When the Firm Is an LLP
Find Firm Mobile Number by GSTIN When the Firm Is an LLP
Find firm mobile number by GSTIN for an LLP: use the corporate registry’s designated partners, official email and registered office to reach the right person.
GST Identification Number
27ABCDE1234F1Z0
- Legal nameSample Traders Pvt Ltd
- StateMaharashtra (27)
- RegistrationActive
- Phone+91 98XXX XXXXX
- Emailc****@example.com
Illustrative result. Get sample format for live records.
Reading time 5 min
Last reviewed October 2026
Find firm mobile number by GSTIN becomes much more manageable when the firm turns out to be a limited liability partnership. LLPs combine features of partnerships and companies: partners run the business, but the LLP is a separate legal entity registered with the corporate registry, with designated partners who are responsible for its compliance. That registry record gives you names, an official email and a registered office, which are exactly the anchors you need to find and confirm a mobile number for the people who run the firm.
This guide explains how to recognise an LLP from its GST record, what its corporate record contains, how designated partners differ from other partners, and how to use that information to reach a partner by mobile appropriately.
Quick answer
- The GST constitution field shows limited liability partnership for LLPs.
- The corporate registry lists every LLP with an LLPIN, registered office and official email.
- Designated partners are named and are responsible for the LLP’s compliance.
- In small LLPs, designated partners are usually the people who run the business.
- Use the official email to request a mobile contact when none is published.
Recognising an LLP
In the public GST search, the constitution of business for an LLP reads limited liability partnership. The sixth character of the GSTIN, the fourth of the PAN, is F, the same as for ordinary firms. The legal name ends with LLP, which is a required part of the name.
That distinction matters because an LLP, unlike an ordinary firm, has a public record in the corporate registry. Ordinary partnership firms need different methods.
What the LLP's Corporate Record Shows
Every LLP has an LLP identification number, known as the LLPIN. Its master data on the official corporate affairs portal shows the LLP’s name, status, date of incorporation, registered office address, the email address on record and the list of designated partners with their identification numbers and appointment dates. LLPs also file annual returns and statements of accounts, which can be viewed through the portal’s public document service for a fee.
The registered office and the official email are formal channels the LLP is expected to monitor.
Designated Partners Versus Other Partners
Every LLP must have at least two designated partners, who are responsible for its legal compliance. Many small LLPs have only two partners in total, both designated, so the list in the registry is the full list of people running the business. Larger LLPs may have other partners too, who share in the business but are not listed as designated partners.
For most commercial contact, a designated partner of a small LLP is the decision maker. In larger LLPs, ask which partner handles your matter.
Need the contact behind a GSTIN?Get the sample format with verified business contact fields.
Finding a Partner's Mobile
Start with the LLP’s own publications: website, letterhead, invoices and catalogues often list partners with mobiles. Your own records, such as emails and onboarding forms, may hold signatures with direct numbers. Searching a partner’s name together with the LLP’s name can surface professional profiles or event listings showing a business mobile.
If none of these works, write to the official email address on record, addressed to the designated partners by name, stating who you are, the GSTIN concerned and your purpose, and asking for the best phone contact. This is a courteous, legitimate route that usually gets a reply.
Confirming the Number
When you have a mobile, confirm it with a short call: ask for the partner by name and mention the LLP’s trade name. Record the number against the LLP’s GSTIN with the partner’s name, role and the date confirmed. If the LLP has several GSTINs across states, record partner contacts at the head office registration, and branch contacts against their own GSTINs.
Respecting Partners' Privacy
Partners’ identification numbers and names in the registry are public for accountability, but their mobiles are personal. Use a partner’s mobile for business with the LLP, at reasonable hours, and keep it within the team that needs it. Do not use registry names to look up partners’ personal details from unofficial sources for unsolicited approaches.
Want to see real match quality?See the sample format for your own GST numbers.
When Partners Change
Designated partners are appointed and leave over time, and changes are filed with the registry. If a partner you dealt with no longer appears in the master data, ask the LLP who now handles your account. Check the registry status too: an LLP that has been struck off or is under closure will not be trading normally.
Why LLPs Are Easier Than Ordinary Firms
The corporate record removes much of the guesswork. You know who the designated partners are, where the registered office is and which email the LLP has declared. Combined with the GST record’s places of business, that is usually enough to find a mobile or to get one by asking politely.
Have a list of GSTINs?Send a few and we will return matching contact fields.
Related guides
Find Firm Contact Number by GSTIN for Partnership Firms: a related guide.
Discover Company Contact From GSTIN for Partnerships, Investment and Acquisitions: a related guide.
Frequently Asked Questions
How do I find firm mobile number by GSTIN for an LLP?
Confirm it is an LLP in the GST record, read its master data in the corporate registry for designated partners and the official email, then find a mobile in its publications or your records, or ask by email.
How can I tell an LLP from an ordinary firm?
The GST constitution field says limited liability partnership and the legal name ends with LLP. Both have F as the sixth GSTIN character.
What is a designated partner?
A partner named in the registry as responsible for the LLP’s legal compliance. Every LLP must have at least two.
Does the corporate registry show partners' mobiles?
No. It shows names, the registered office and the LLP’s official email, not personal mobiles.
Is it appropriate to email the LLP's official address?
Yes. A short, clear request for a phone contact, stating your purpose and the GSTIN, is a legitimate use of that channel.
What if a partner no longer appears in the registry?
They have probably left. Ask the LLP who now handles your account and update your records.
GST To Phone NumberWe help sales, procurement and compliance teams turn a GST registration number into a verified, reachable business contact.
Company
Get Sample Format
Send us a few GSTINs and we will return the matching contact fields so you can judge the data before you buy.
© 2026 GST To Phone Number. All rights reserved.
Disclaimer: GST To Phone Number is an independent data service. We are not affiliated with, endorsed by or connected to the Goods and Services Tax Network, the Central Board of Indirect Taxes and Customs, or any government department. GSTIN verification should always be confirmed against the official GST portal. Contact data is provided for legitimate business use and must be used in line with applicable telecom, privacy and data-protection rules.