
Emerging SME Services · NSE
TAC Infosec Limited, founded in 2016, has rapidly positioned itself as a trusted provider of risk-based cybersecurity solutions, offering vulnerability management, assessment, cybersecurity quantification, and penetration testing through a Software as a Service (SaaS) model. Serving a prestigious clientele that includes HDFC, Bandhan Bank, BSE, NPCI, DSP Investment Managers, Motilal Oswal, and NSDL e-Governance, the company has earned a strong reputation across banking, finance, and government sectors. With a team of 56 professionals as of September 30, 2023—33 of whom focus on operations and product development—TAC Infosec remains dedicated to innovation, ensuring robust digital security solutions to combat evolving cyber threats.
Price Band
₹100 – ₹106
Issue Size
₹29.99 Cr
Lot Size
1200 shares
GMP
+106.6%
Est. Listing
₹219
at current GMP
Subscribed
421.96x
overall
Open
27 Mar 2024
Close
2 Apr 2024
Allotment
3 Apr 2024
Refund
4 Apr 2024
Demat Credit
5 Apr 2024
Listing
5 Apr 2024
Last updated: 19 Oct 2026
Current Premium
Issue Price (Upper)
₹106
Band: ₹100 – ₹106
Estimated Listing Price
₹219
Upper price + GMP
Lot Size
1200 shares
Min investment ₹1,27,200
Estimated Profit / Lot
₹1,35,600
1200 × ₹113
Grey Market Premium trend
+₹113
▲ 0 today
Updated less than a minute ago
| Date | GMP (₹) | GMP % | Est. Listing |
|---|---|---|---|
| 31 Oct 2026 | +₹113 | 106.6% | ₹219 |
| 30 Oct 2026 | +₹113 | 106.6% | ₹219 |
| 29 Oct 2026 | +₹102 | 95.9% | ₹208 |
GMP is unofficial market data. Not a guarantee of listing performance.
TAC Infosec Limited is bringing an initial public offering (IPO) in the Emerging SME Services sector with an aggregate issue size of ₹29.99 Crores. The shares are offered at a price band of ₹100 to ₹106 per equity share on NSE. Currently, traders and retail applicants are calculating expected listing gains and break-even points based on unofficial grey market quotations.
Prospective investors can apply in the retail quota with a minimum of 1 lot comprising 1200 shares (approx. ₹1,27,200 minimum investment). High net-worth individuals (HNI/NII) can bid in the sHNI (₹2 Lakh to ₹10 Lakh) or bHNI (above ₹10 Lakh) categories for enhanced quota allocation.
Allotment reconciliation will be managed by Skyline Financial Services Private Limited. Eligible allottees will receive credit of equity shares into their Demat accounts by 2024-04-05, while un-allotted funds or UPI block mandates will be released on 2024-04-04.
The latest grey market premium for TAC Infosec Limited IPO is ₹113, which indicates an expected listing price of ₹219.
Kostak rate is the profit amount an investor earns by selling their entire IPO application in the grey market before allotment is finalized.
No. GMP is an unofficial indicator discovered between dealers outside of SEBI-regulated exchanges. Actual listing price is determined by demand-supply discovery on NSE/BSE during the pre-open auction.