- Category
- Micro (2024-25)
- Udyam number
- UDYAM-BR-26-0003298

Sienn Security Private Limited
About Sienn Security Private Limited
Data last updated:
Sienn Security Private Limited is a private limited company based in Patna, Bihar, India. It operates in the general construction services segment of the infrastructure and utilities sector. It was incorporated on 04 March 2011 and has been in existence for over 15 years.
The company is registered with the Registrar of Companies (ROC), Patna, under CIN U75302BR2011PTC016683. Its GSTIN is 10AAPCS5195J3ZX (Bihar). The company holds 3 GST registrations, of which 1 is active.
The company has an authorised share capital of ₹10 Lakh and a paid-up capital of ₹2 Lakh. It is led by directors Shashi Bhushan Kumar (Managing Director) and Sunita Devi.
Its last annual general meeting (AGM) was held on 30 September 2025, and its latest financial statements are for the year ended 31 March 2025. The registered office is at Patna, Bihar.
As per the financials filed for FY 2025, the company reported a revenue of ₹7.44 Cr, a growth of 29% compared to the previous year. For the same year it recorded a net profit of ₹26.35 Lakh (net margin 3.5%) and EBITDA of ₹40.07 Lakh (EBITDA margin 5.4%). Revenue has grown at a compounded annual rate (CAGR) of 24% over three years and 23% over five years.
As per MCA filings, the company has open charges of ₹70.68 Lakh on record. Court records list 3 cases involving the company, including 2 filed by the company and 1 filed against it; 1 case is pending.
Sienn Security Private Limited is registered as a micro enterprise under the Udyam registration framework (Reg. No. UDYAM-BR-26-0003298). The current compliance status is marked as compliant by the Registrar of Companies.
Company details
Recognitions & Rankings of Sienn Security
Contact details
Sienn Security Private Limited's registered office is in Patna, Bihar. Its e-mail address and telephone number are in the company report.
- Email
- Telephone
- Registered AddressFlat No 101 Kaushalya Resedency Sharan Lane Nageshwar Colony Boring Ro, Ad, Patna, Bihar, India – 800001
- IndustryInfrastructure and Utilities, General Construction Services
To see the full contact details of Sienn Security Private Limited, buy the company report.
- Company details, directors and signatories
- Historical financials and ratios
- Shareholding pattern and group structure
- Charges with holder and property details
- Legal cases, compliance and MCA filings
Business activity
The main business activity of Sienn Security is construction. In detail, this covers demolition & site preparation, electrical, plumbing & other specialized construction activities.
| Main activity group code | Main activity | Business activity code | Business activity | Share of turnover |
|---|---|---|---|---|
| F | Construction | F3 | Demolition & site preparation, Electrical, plumbing & other Specialized construction Activities |
To see the full business activity and turnover split of Sienn Security Private Limited, buy the company report.
Financials of Sienn Security Private Limited
FY 2025 filings availableSienn Security Private Limited reported revenue of ₹7.44 Cr (up 29% YoY) for FY 2025.
Compounded Annual Growth Rate (CAGR)
Revenue has grown at a compounded annual rate (CAGR) of 23% over five years, including 29% growth in the latest year. EBITDA fell 2% in the latest year. Three- and five-year figures are compounded annual growth rates (CAGR): the steady yearly rate that links the first and the last year. All are worked out from the filed statements.
Financial Statement Summary
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
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| EBITDA | ₹40.07 Lakh | ||||
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| Tax Expense | |||||
| Net Profit (PAT) | ₹26.35 Lakh | ||||
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Financial Ratios
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profitability | |||||
| EBITDA Margin | 5.4% | ||||
| Net Profit Margin | 3.5% | ||||
| Return on Equity (ROE) | |||||
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To see the full financial statements and ratios of Sienn Security Private Limited, buy the company report.
Board of directors of Sienn Security Private Limited
Sienn Security has 2 current directors and 1 former director. Current directors are listed first, with their designation and appointment date.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Sunita Devi Also directs: Sienn Teleinfra Private Limited, Vanij Business Solutions LLP | Director | 01 Nov 2012 | 13 Years 11 Months | Current |
| Shashi Bhushan Kumar Also directs: Sienn Teleinfra Private Limited | Managing Director | 04 Mar 2011 | 15 Years 7 Months | Current |
Peer comparison
Sienn Security Private Limited is compared with the 5 companies closest to it by revenue in the Infrastructure industry (Construction Services), with the same principal business activity (demolition & site preparation, electrical, plumbing & other specialized construction activities), from the latest filed financials of each company.
| Company | Revenue | Net profit | Margin | Growth (1 yr) | Employees | Location |
|---|---|---|---|---|---|---|
| Jineshwar Engineers (Civil) Private Limited | ₹7.46 Cr (FY 2025) | 126.0% | Mumbai, Maharashtra, India | |||
| Absl Enterprises Private Limited | ₹7.46 Cr (FY 2025) | -32.0% | Mumbai, Maharashtra, India | |||
| Concord Projects Private Limited | ₹7.44 Cr (FY 2024) | 434.0% | Kolkata, West Bengal, India | |||
| Sienn Security Private Limitedthis company | ₹7.44 Cr (FY 2025) | ₹26.35 Lakh | 3.5% | 29.0% | Patna, Bihar, India | |
| Skandaya Infrastructures Private Limited | ₹7.43 Cr (FY 2025) | -2.0% | Hyderabad, Telangana, India | |||
| Aqua Seal Tech Private Limited | ₹7.42 Cr (FY 2025) | 58.0% | Bangalore, Karnataka, India |
To see the full peer comparison of Sienn Security Private Limited, buy the company report.
Auditor
Sienn Security Private Limited is audited by ARVIND ARPAN & ASSOCIATES for the financial year 2019.
| Auditor firm | Financial year | Firm registration number |
|---|---|---|
| ARVIND ARPAN & ASSOCIATES | FY 2019 | 010011C |
Shareholding
The shareholding of Sienn Security Private Limited is on record for 4 financial years, the latest being FY 2019, split between promoters, domestic institutions, foreign institutions, public shareholders and others.
| Shareholder category | FY 2019 | FY 2017 | FY 2016 | FY 2015 |
|---|---|---|---|---|
| Promoters | ||||
| Domestic institutional investors (DII) | ||||
| Foreign institutional investors (FII) | ||||
| Public | ||||
| Others |
To see the full shareholding pattern of Sienn Security Private Limited, buy the company report.
Charges & borrowings
| Date | Charge ID | Lender | Amount | Status | Modified or satisfied on |
|---|---|---|---|---|---|
| 24 Mar 2022 | 100560438 | Others | ₹13 Lakh | Open | |
| 28 Sep 2020 | 100393839 | Others | ₹6.34 Lakh | Open | |
| 28 Sep 2020 | 100393915 | Others | ₹6.34 Lakh | Open | |
| 02 Sep 2020 | 100368858 | Others | ₹45 Lakh | Open |
Total charge records: 4 View all charges
Legal cases
Sienn Security Private Limited has 3 court cases on record: 2 filed by Sienn Security, 1 filed against it. 1 case is pending and 2 are disposed.
Cases by court
| Court | Cases | Against the company | Pending |
|---|---|---|---|
| District courts | 1 | 0 | 0 |
| High courts | 1 | 1 | 0 |
| Supreme Court | 1 | 0 | 1 |
Cases on record (3 of 3)
| Court | Type of case | Party | Status |
|---|---|---|---|
| Supreme Court | Appeal | Filed by the company against M/S Niraj Kumar Through Its Proprietor | Pending |
| High Court of Jharkhand | Writ petition | Filed against the company by M/S Niraj Kumar Through Its Proprietor Niraj Kumar | Disposed |
| District court, Patna, Bihar | Court case (Cr. Case Complaint (P)) | Filed by the company against an individual | Disposed |
To see the full case history of Sienn Security Private Limited, buy the company report.
Case records are compiled from court listings and may lag the court's own records. A case filed against a company is not a finding against it.
MSME payment delays
No delayed payments to MSME suppliers are on our record for Sienn Security Private Limited; the supplier-wise MSME Form 1 check is in the company report Buy the company report.
GST
Sienn Security has 3 GST registrations: 1 active and 2 cancelled or inactive.
| GSTIN | State | Status | Registered on |
|---|---|---|---|
| 10AAPCS5195J3ZX | Bihar | Active | 21 Jul 2017 |
To see the full GST registrations and return filing status of Sienn Security Private Limited, buy the company report.
Recent activity
Sienn Security Private Limited has 3 board changes on record since 2011: 2 appointments and 1 cessation. The latest: Gurusami Doraisamy ceased to be Director on 01 Nov 2012.
Frequently asked questions
Sienn Security is an active private limited company based in Patna, Bihar, India. The company works in general construction services, within the infrastructure and utilities industry. It was incorporated on 04 March 2011 (15+ years old) and is registered under CIN U75302BR2011PTC016683.
Sienn Security has 2 current directors:
- Shashi Bhushan Kumar - Managing Director
- Sunita Devi - Director
The latest financial statements of Sienn Security on record with the MCA are for the year ended 31 March 2025. Its last annual general meeting was held on 30 September 2025. Year-wise statements from 2015 are in the company report.
The GSTIN of Sienn Security is 10AAPCS5195J3ZX, registered in Bihar. The company has 3 GST registrations in all, of which 1 is active and 2 are cancelled or inactive.
The CIN (Corporate Identification Number) of Sienn Security is U75302BR2011PTC016683. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Sienn Security has 3 court cases on record: 2 filed by the company and 1 filed against it. 1 is pending. Most are in the district courts.
Sienn Security was incorporated on 04 March 2011, making it 15+ years old. It is registered with the Registrar of Companies, Patna.
The peers of Sienn Security by revenue are Jineshwar Engineers (Civil) Private Limited, Absl Enterprises Private Limited, Concord Projects Private Limited, Skandaya Infrastructures Private Limited, Aqua Seal Tech Private Limited, all in the Infrastructure industry (Construction Services), with the same principal business activity (demolition & site preparation, electrical, plumbing & other specialized construction activities).
Gurusami Doraisamy ceased to be Director on 01 Nov 2012. Sunita Devi was appointed as Director on 01 Nov 2012. Shashi Bhushan Kumar was appointed as Managing Director on 04 Mar 2011.
Yes, Sienn Security is registered as a micro enterprise under Udyam registration (number: UDYAM-BR-26-0003298).
The registered office of Sienn Security is at Flat No 101 Kaushalya Resedency Sharan Lane Nageshwar Colony Boring Ro, Ad, Patna, Bihar, India – 800001.