# Tamilnad Mercantile Bank (TMB)

> Source: https://docs.barcoder.ai/docs/wallets/tmb-tamilnad-mercantile
> research date 2026-06-01 · extracted at 2026-10-07
> Publisher: Barcoder — encyclopedia of QR, barcode and payment-code standards

Specifications:
- [TMB — official](https://www.tmb.in/)

## Key details

- **Parent:** Tamil Nadu Nadar caste merchants then 1962 Tamilnad Mercantile Bank rebrand

## Overview

**Tamilnad Mercantile Bank (TMB)** is **Indian private commercial bank** + **NSE: TMB BSE: 543596** + **Tamil Nadu Nadar community-aligned + Indian retail + institutional investors free float** + **one of India's mid-sized private commercial banks** + **founded May 11 1921 in Thoothukudi Tamil Nadu India as Nadar Bank by Tamil Nadu Nadar caste merchants then 1962 Tamilnad Mercantile Bank rebrand** <sup>[1][1], [India report](https://docs.barcoder.ai/docs/payments/IN)</sup>.

## History

**May 11 1921 — Nadar Bank founded in Thoothukudi Tamil Nadu India by Tamil Nadu Nadar caste merchants as Tamil Nadu-based Indian Nadar caste community commercial bank** distinctive Indian banking heritage as Tamil Nadu Nadar community-aligned commercial bank.

**1962 — Tamilnad Mercantile Bank rebrand consolidating Nadar Bank**.

**Sep 15 2022 — TMB IPO on NSE + BSE Indian Stock Exchanges**.

**2014 — TMB Mobile banking app launch**.

## Ownership & operator

**Operating entity**: **Tamilnad Mercantile Bank TMB** (Indian private commercial bank; NSE: TMB; BSE: 543596).

**Major shareholders**: **Tamil Nadu Nadar community-aligned + Indian retail + institutional investors free float**.

**Regulators**: **Reserve Bank of India RBI**.

## Technical integration

TMB Mobile app (iOS + Android) + tmb.in online + Tamilnad Mercantile Bank branch network across India + TMB Visa + Mastercard + RuPay cards; RuPay Indian national card scheme + EMVCo QRCPS QR payments + Bharat QR (Indian national QR payment scheme) + UPI Unified Payments Interface (Indian instant payments) + Indian Rupee INR domestic transfers.

## Implementations & partners

**Major Indian banking + payments competitors**: [State Bank of India (SBI)](https://docs.barcoder.ai/docs/wallets/sbi-india) (State Bank of India SBI) + [HDFC Bank App](https://docs.barcoder.ai/docs/wallets/hdfc-bank) (HDFC Bank) + [ICICI Bank](https://docs.barcoder.ai/docs/wallets/icici-bank) (ICICI Bank) + [Federal Bank](https://docs.barcoder.ai/docs/wallets/federal-bank) (Federal Bank) + [South Indian Bank (SIB)](https://docs.barcoder.ai/docs/wallets/south-indian-bank) (South Indian Bank SIB) + [Karnataka Bank](https://docs.barcoder.ai/docs/wallets/karnataka-bank) (Karnataka Bank) + [City Union Bank (CUB)](https://docs.barcoder.ai/docs/wallets/city-union-bank) (City Union Bank CUB) + [UPI QR](https://docs.barcoder.ai/docs/standards/upi-qr) (Unified Payments Interface UPI).

**Regulators**: Reserve Bank of India RBI.

## Status

**Active, Indian private commercial bank + NSE:TMB BSE:543596 + Tamil Nadu Nadar community-aligned + Indian retail + institutional investors free float + one of India's mid-sized private commercial banks + founded May 11 1921 in Thoothukudi Tamil Nadu India as Nadar Bank by Tamil Nadu Nadar caste merchants then 1962 Tamilnad Mercantile Bank rebrand** <sup>[1][1], [2][2]</sup>.

## Sources

[1]: https://www.tmb.in/ "TMB — official"
[2]: https://en.wikipedia.org/wiki/Tamilnad_Mercantile_Bank "TMB — Wikipedia"
[in-cro]: https://docs.barcoder.ai/docs/payments/IN

- [1] [TMB — official][1]
- [2] [TMB — Wikipedia][2]
- <sup>[India report](https://docs.barcoder.ai/docs/payments/IN)</sup> In-corpus: `reports/countries/IN-india.md`

## Source

Biography extracted from [tmb-tamilnad-mercantile.md](https://docs.barcoder.ai/source/wallets/tmb-tamilnad-mercantile). See `matrix.md` for standards-support matrix if present.